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Sexual Precocity in a 16-Month-Old$ G2 q3 ]0 b! `. C/ D
Boy Induced by Indirect Topical7 a' j1 T2 n! K- h2 d, s" b9 n
Exposure to Testosterone$ P1 p) n3 P; u5 G6 S7 ]
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2' H$ S! X3 q# R( x
and Kenneth R. Rettig, MD1- _" d6 o0 P, [+ U: b9 B2 n% o
Clinical Pediatrics  a$ J3 B' R  f
Volume 46 Number 62 D" p; M1 [  F& y: [
July 2007 540-543
, I, l' t5 ^2 q: ?! H© 2007 Sage Publications
5 F9 h/ ?% s- k' d10.1177/0009922806296651
- H9 T, g, s4 Z0 B: Ghttp://clp.sagepub.com  X* @7 q. C6 }! W( \' \! Q
hosted at" x9 j# Q) D  \: A: H8 p
http://online.sagepub.com* e/ _/ ~1 s' U% S  M
Precocious puberty in boys, central or peripheral,: M& e& s) b7 t& R- q4 b! j
is a significant concern for physicians. Central
8 x/ [6 j; [, a  gprecocious puberty (CPP), which is mediated$ _7 G1 y/ l7 g# Q1 M
through the hypothalamic pituitary gonadal axis, has
$ C' s4 H$ |( f  J5 d* Y1 O7 D# ~a higher incidence of organic central nervous system. y( G# s( [# |% d& Y! \# ]
lesions in boys.1,2 Virilization in boys, as manifested
4 |1 A+ G: n0 k$ y; _; Oby enlargement of the penis, development of pubic  o% {7 R& f. o+ J0 |* G) @/ ]
hair, and facial acne without enlargement of testi-
6 p. ?/ l, R: |& ~2 X* Pcles, suggests peripheral or pseudopuberty.1-3 We  N& W6 p' [% v2 R; Y* j
report a 16-month-old boy who presented with the
0 F7 D, c- n9 g4 Z0 u& D8 xenlargement of the phallus and pubic hair develop-
/ Y1 d% v, j; Z& p3 M9 l0 P6 Vment without testicular enlargement, which was due
; f/ y# A, r/ ^, Jto the unintentional exposure to androgen gel used by
$ B  v3 L) e) R' p" sthe father. The family initially concealed this infor-
, T2 g9 o% }& C* H5 n" J* ~: Dmation, resulting in an extensive work-up for this+ x6 x8 `' v3 y* F% C0 i
child. Given the widespread and easy availability of
2 I+ x9 q& W# atestosterone gel and cream, we believe this is proba-: }% `& e! L$ P6 k# K3 \7 {
bly more common than the rare case report in the* U  u/ v6 a+ Y% D6 h! @
literature.4( ^2 F2 s& g# E8 O
Patient Report
1 L% f/ L3 k; L5 w3 hA 16-month-old white child was referred to the
+ z7 D( c; z1 \; Z! A7 l7 E9 E6 Wendocrine clinic by his pediatrician with the concern
; h1 E+ \5 I& D8 i8 ^" ~of early sexual development. His mother noticed
3 i3 C3 d! X1 U# Wlight colored pubic hair development when he was
9 y% c2 y4 ~; Y2 F" f4 i8 _From the 1Division of Pediatric Endocrinology, 2University of" T0 i4 ]5 _( l
South Alabama Medical Center, Mobile, Alabama.
" `0 A* Q7 j7 N* A. b5 ?; yAddress correspondence to: Samar K. Bhowmick, MD, FACE,, n& e0 H& c& t% r, G! c. ~- l" b* g
Professor of Pediatrics, University of South Alabama, College of, K1 c  |. z) t$ [2 @" I6 L' N
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
) D; d. V# \& L: ?7 Ve-mail: [email protected].
2 m0 k9 ]' \4 [6 W$ s1 l  S* Wabout 6 to 7 months old, which progressively became
/ H7 I, i0 N2 q4 Odarker. She was also concerned about the enlarge-
: m( V5 @6 w$ o& r5 J; u5 k5 ?+ T* P- wment of his penis and frequent erections. The child
# I! E# p. Z# F: M4 k% X  L5 R* k2 qwas the product of a full-term normal delivery, with
9 v! n$ [4 ~/ l. r8 X" p8 ca birth weight of 7 lb 14 oz, and birth length of
/ X9 I( u% D$ C9 S6 k5 Z+ \20 inches. He was breast-fed throughout the first year* m0 O8 l' s  s5 @! {
of life and was still receiving breast milk along with
" D8 J, J& Y  j6 A1 |/ w, Nsolid food. He had no hospitalizations or surgery,5 N  }2 ^% I* R0 ^
and his psychosocial and psychomotor development
+ ~- s* b/ I% A$ E# W  B5 U$ k9 Hwas age appropriate.0 d& y) \. |& m  }* t& [. e: f
The family history was remarkable for the father,3 p) W) E3 v- K) V; \" [
who was diagnosed with hypothyroidism at age 16,& H/ U3 C1 F! v" L$ L& Y
which was treated with thyroxine. The father’s
  A' n0 y7 B+ D4 Bheight was 6 feet, and he went through a somewhat2 G% t  ]6 U+ i$ S
early puberty and had stopped growing by age 14.; h1 M* r7 J4 ?5 F8 P- x8 x  u* @
The father denied taking any other medication. The
8 H# w. K1 o* v3 qchild’s mother was in good health. Her menarche3 Q' \7 v. G2 \2 A$ o9 U
was at 11 years of age, and her height was at 5 feet; S: K3 q$ a/ b  i7 \! Q
5 inches. There was no other family history of pre-" E* w1 Z2 L) ]
cocious sexual development in the first-degree rela-
0 d' [9 F* \& {3 A2 U$ Ztives. There were no siblings.: ^! X! Q! j1 }
Physical Examination
% Q( f. Y% |8 j- a8 b0 `The physical examination revealed a very active,
! [9 L/ Z8 p& w# H9 Z  Aplayful, and healthy boy. The vital signs documented; q9 N4 F9 j: v0 {) i& {
a blood pressure of 85/50 mm Hg, his length was
7 e# ]1 j/ j" b6 z0 s90 cm (>97th percentile), and his weight was 14.4 kg
9 V) ~3 k, i) h; w% `8 S- L(also >97th percentile). The observed yearly growth- k' A" K& y2 a/ p3 ^
velocity was 30 cm (12 inches). The examination of
1 r9 E- U7 U( b1 \the neck revealed no thyroid enlargement.
8 j* n% U: x+ l+ W/ D  v" I* ^The genitourinary examination was remarkable for# b8 `: R3 i9 @6 D( V
enlargement of the penis, with a stretched length of
: @3 Y( d& t+ {0 R- H/ e8 cm and a width of 2 cm. The glans penis was very well
' [7 L" M/ m% r' }# C5 G+ h. Tdeveloped. The pubic hair was Tanner II, mostly around
1 k* i6 F4 A2 z# y* D2 f540
% e' L8 R0 ^3 D1 W9 M  Pat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
3 g# {) e# a* X8 I" ~the base of the phallus and was dark and curled. The
5 z' R+ v+ D0 h0 ytesticular volume was prepubertal at 2 mL each.' `+ q( T& r5 q% K! ~
The skin was moist and smooth and somewhat
! x. U$ u4 g0 l3 e/ L6 Hoily. No axillary hair was noted. There were no" s: V/ P& Z" R4 _1 I
abnormal skin pigmentations or café-au-lait spots.
8 ~; V- W8 J# F) b6 p5 F/ l( f" mNeurologic evaluation showed deep tendon reflex 2+% g/ n* K- v$ m; n: r4 T3 V
bilateral and symmetrical. There was no suggestion( \1 t+ n- i7 ?! J, {" l
of papilledema." P( M1 z; `9 S" E
Laboratory Evaluation
9 L: u- o$ S- ?  oThe bone age was consistent with 28 months by9 }7 x# h! Q4 E- u) f
using the standard of Greulich and Pyle at a chrono-
1 i6 @" [1 ~: d& T0 ^4 Clogic age of 16 months (advanced).5 Chromosomal9 k" u1 B9 n# I8 c
karyotype was 46XY. The thyroid function test* w  \2 f' j1 n9 B" A
showed a free T4 of 1.69 ng/dL, and thyroid stimu-
( q7 i  J6 J7 xlating hormone level was 1.3 µIU/mL (both normal)." @6 R' L3 S, A% h& u
The concentrations of serum electrolytes, blood
% `0 n: w4 o; M7 [  |  z7 Purea nitrogen, creatinine, and calcium all were
3 m2 {( A/ t1 \9 E# xwithin normal range for his age. The concentration! P$ [7 T* T# ~( {$ H
of serum 17-hydroxyprogesterone was 16 ng/dL, b( C' J% k; q  }
(normal, 3 to 90 ng/dL), androstenedione was 20
! ~# o* j* _! ^1 n' N  g/ C0 Gng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-+ h  x( p, R1 t8 v( M5 g! t! u
terone was 38 ng/dL (normal, 50 to 760 ng/dL),
7 o& ?- }, ?& ]/ g0 Q6 Fdesoxycorticosterone was 4.3 ng/dL (normal, 7 to6 Z3 Q- D) z" B9 b1 h
49ng/dL), 11-desoxycortisol (specific compound S)
+ X, k1 ]! i$ v4 q9 Y, Ewas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
; [' ]. T: M) G' \& ctisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total: `$ t5 g9 X# C, D, Z
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),& M# g) P  V. u7 t
and β-human chorionic gonadotropin was less than8 A& ]/ N: g- Q7 m0 ~; p
5 mIU/mL (normal <5 mIU/mL). Serum follicular
5 R" B2 x8 s$ L  l6 v0 M# pstimulating hormone and leuteinizing hormone( d# {* R* [* X/ B
concentrations were less than 0.05 mIU/mL
& w2 Y7 s' L$ t" U(prepubertal).
0 C0 `' l, \' E0 g9 rThe parents were notified about the laboratory
  G% \1 B+ E$ e5 Z4 {* ~results and were informed that all of the tests were- e6 _  |4 L3 \/ a; p# Y
normal except the testosterone level was high. The. v2 G5 [5 t& B- v3 v+ D
follow-up visit was arranged within a few weeks to
, k2 |/ V3 f" {5 _2 i  vobtain testicular and abdominal sonograms; how-
0 T4 V) `, v) w% X6 Dever, the family did not return for 4 months.1 @1 _9 `* I5 H$ v+ R! v2 A7 g
Physical examination at this time revealed that the
4 a7 R5 i- K! {: _% }, lchild had grown 2.5 cm in 4 months and had gained! U9 o" s0 [3 l4 v5 E3 }  c& a
2 kg of weight. Physical examination remained3 `( B! c* S0 t, U; P5 h
unchanged. Surprisingly, the pubic hair almost com-
# U" c) h& V- J$ i2 zpletely disappeared except for a few vellous hairs at
7 b' D5 C4 G: [' r' Q& D/ athe base of the phallus. Testicular volume was still 2  o% J) X- }' L4 m- F- r- K+ K
mL, and the size of the penis remained unchanged.
1 E" w/ U, B) U9 C3 S( hThe mother also said that the boy was no longer hav-
/ F0 ~7 b. g7 G0 G  }; E' v7 e2 Eing frequent erections.7 p2 M0 s8 i+ H: e3 f" ^
Both parents were again questioned about use of) f5 W+ N3 P/ o0 \- z' |1 B3 O
any ointment/creams that they may have applied to: m0 m4 l& `, x* P
the child’s skin. This time the father admitted the
3 _0 ^  L( n$ iTopical Testosterone Exposure / Bhowmick et al 5413 K  g# G# [! c; d! P' d/ f" }+ G
use of testosterone gel twice daily that he was apply-
; E' h# n  s6 z1 W8 E' b. Ying over his own shoulders, chest, and back area for, B6 B! O2 `8 J/ V! U$ j
a year. The father also revealed he was embarrassed
' e1 x9 R4 `% ~4 G$ v+ Lto disclose that he was using a testosterone gel pre-
5 Z$ Y3 D4 M( d) H% |- Y$ Rscribed by his family physician for decreased libido( P* Y0 t4 V9 l4 v: t
secondary to depression.
+ @" D8 e2 r; n$ F# w" g3 [The child slept in the same bed with parents.5 d6 `! `) \7 [0 X. w: {+ B! S
The father would hug the baby and hold him on his( w" g+ R8 X7 _6 P& z' E1 `! s
chest for a considerable period of time, causing sig-
1 _& w1 M: u& K; \- }nificant bare skin contact between baby and father.
: v4 ?1 |" e, ]/ o: E0 XThe father also admitted that after the phone call,
8 G9 n  ?$ h+ X+ [, M1 Swhen he learned the testosterone level in the baby) e- g. z# C7 D8 d* Z2 ]# z
was high, he then read the product information3 a: D/ Z; C4 Q  e) A5 ]; z
packet and concluded that it was most likely the rea-. g% G/ X: g: L4 M: c. u8 c
son for the child’s virilization. At that time, they
# T) i; }5 q, t, V9 }decided to put the baby in a separate bed, and the
6 ^$ H: s: J8 M& rfather was not hugging him with bare skin and had% B( ?) x: P% u6 F# M  b# {
been using protective clothing. A repeat testosterone1 J$ I; b1 a, J# ?
test was ordered, but the family did not go to the1 p5 y: b- q: z8 d7 [6 R
laboratory to obtain the test." }# H7 L3 r3 R; f: C
Discussion  j! D3 G' [, Y$ O+ n4 p
Precocious puberty in boys is defined as secondary0 O1 X  j! |9 {$ }
sexual development before 9 years of age.1,4
. f# D) n8 s; G* H! R( {7 Z& z1 bPrecocious puberty is termed as central (true) when
) g( K0 V9 F/ ], r. w% cit is caused by the premature activation of hypo-
/ ^& e# F7 H1 o5 a6 Gthalamic pituitary gonadal axis. CPP is more com-
* h5 V; L' \4 x7 A8 Tmon in girls than in boys.1,3 Most boys with CPP  x6 t6 _0 V% f" i$ a9 ^
may have a central nervous system lesion that is
( O7 z/ s: _/ b, {  j' {: ?responsible for the early activation of the hypothal-3 U# k5 A7 P4 c  d* ~5 D
amic pituitary gonadal axis.1-3 Thus, greater empha-5 m# L5 {0 @1 t( f3 T9 v/ J
sis has been given to neuroradiologic imaging in
) Q) d: t4 Q( y; u* Eboys with precocious puberty. In addition to viril-
: f+ w" R1 [2 q7 ?" Pization, the clinical hallmark of CPP is the symmet-) _( P8 g$ ^& d% V4 ?& H
rical testicular growth secondary to stimulation by8 a7 M3 j  c; \& ]) Q$ G/ i
gonadotropins.1,3
7 @, b& |6 M! d4 P( D, u0 FGonadotropin-independent peripheral preco-1 Z$ U) I  K* e1 _, @" S( h
cious puberty in boys also results from inappropriate
  y+ A* G- n. fandrogenic stimulation from either endogenous or) |( ~  Q: [8 J* w# J
exogenous sources, nonpituitary gonadotropin stim-$ [- W# @) H& {1 _
ulation, and rare activating mutations.3 Virilizing: U/ E0 I7 P' l: Z4 E
congenital adrenal hyperplasia producing excessive
/ C  J+ L( r( W" aadrenal androgens is a common cause of precocious1 w1 Q; C* B6 T- [; K( V& c
puberty in boys.3,4
1 @! U" g4 L$ I% i4 u& v& `The most common form of congenital adrenal
9 Z+ [: P! b3 j& p- @4 Y# `hyperplasia is the 21-hydroxylase enzyme deficiency.
: q- [& L8 O: j8 @The 11-β hydroxylase deficiency may also result in0 l( V( v9 Z$ q0 R$ G
excessive adrenal androgen production, and rarely,  Q) i8 {/ N5 ~; R" h
an adrenal tumor may also cause adrenal androgen" z; ]# H5 e: p* E/ k+ w1 o9 k
excess.1,3# v! z; T" u# V5 ~% u" }; r
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
/ V. s" h$ m5 X4 D$ k9 S( U" O542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
+ u) f% B8 ?1 s  M2 y2 b+ l. b6 C6 bA unique entity of male-limited gonadotropin-" e# l$ n7 ^  A7 K0 u
independent precocious puberty, which is also known; K% r5 p5 E. W* z* `! d1 }3 t5 R) l
as testotoxicosis, may cause precocious puberty at a$ n6 a/ ~) o3 O9 V/ V2 y
very young age. The physical findings in these boys0 u5 R: k1 F9 Q3 ^
with this disorder are full pubertal development,
  W6 ^6 H* ]% [) X# lincluding bilateral testicular growth, similar to boys5 N: ?3 h9 ]" n9 r( F
with CPP. The gonadotropin levels in this disorder
+ r( ~  e. ?+ S% H0 ]- Iare suppressed to prepubertal levels and do not show- U" j0 A& I: s+ g% Y' E+ L
pubertal response of gonadotropin after gonadotropin-, v5 C, p+ ^" t6 v- k
releasing hormone stimulation. This is a sex-linked1 t) x9 M1 `* \' N. t- }. q8 _
autosomal dominant disorder that affects only
2 R$ j5 T- f- s! [7 Gmales; therefore, other male members of the family) S- Q  C* r5 P
may have similar precocious puberty.3
- y8 ~1 r% h6 ~  wIn our patient, physical examination was incon-3 N9 R+ D8 r# h0 G
sistent with true precocious puberty since his testi-
7 R9 p0 I; O" c5 }$ }$ {cles were prepubertal in size. However, testotoxicosis/ L* w: X/ h/ y+ f" h* H
was in the differential diagnosis because his father3 r  _6 Y7 T9 R) j8 Q% S& i
started puberty somewhat early, and occasionally,
& p9 b" u6 w. Q1 [4 z8 atesticular enlargement is not that evident in the& ?3 z. n. P3 T% D% T, c% V, o
beginning of this process.1 In the absence of a neg-
2 O: p* ~4 z: G/ v' I1 [ative initial history of androgen exposure, our9 n  z; P1 F4 }" J
biggest concern was virilizing adrenal hyperplasia,1 R5 @+ f: l6 c" X5 b+ X  R: F
either 21-hydroxylase deficiency or 11-β hydroxylase3 \( N2 @$ e# D4 W% _, h; c5 ^
deficiency. Those diagnoses were excluded by find-" c1 t, @  v6 `: v( T, j* A
ing the normal level of adrenal steroids.3 Y4 Y# s7 b0 K0 W( o
The diagnosis of exogenous androgens was strongly* ?+ J  N/ P/ G3 {( d2 U% N
suspected in a follow-up visit after 4 months because: J3 y- T5 z8 x9 y: N
the physical examination revealed the complete disap-
) }: U" r4 u% A7 _pearance of pubic hair, normal growth velocity, and
( V2 `; }& z% L9 m$ f. ~9 Udecreased erections. The father admitted using a testos-
) Y: C4 R! ~5 K9 c) h) t; P( yterone gel, which he concealed at first visit. He was
) z- i0 p/ k0 k, v: ^, Rusing it rather frequently, twice a day. The Physicians’
0 D/ U* f4 I) V8 A. b3 f& H+ HDesk Reference, or package insert of this product, gel or0 H% {5 `% |4 D8 N" h. c
cream, cautions about dermal testosterone transfer to: u# Q8 Q4 i8 P, _( C# [
unprotected females through direct skin exposure.4 p5 t- Y6 T3 }# h7 `. V0 e
Serum testosterone level was found to be 2 times the/ }2 J3 ~6 h5 `3 f' f
baseline value in those females who were exposed to6 T+ Z. ]8 Y: r1 C
even 15 minutes of direct skin contact with their male" u" r* ~. u3 b- g) D7 u
partners.6 However, when a shirt covered the applica-
# D- O5 d8 z) ction site, this testosterone transfer was prevented.
# K) Z5 W/ `6 j0 GOur patient’s testosterone level was 60 ng/mL,
9 Y5 d- H5 F" v0 t( Lwhich was clearly high. Some studies suggest that
' T6 D4 K3 r: Odermal conversion of testosterone to dihydrotestos-1 [+ C8 N. j: c8 ]
terone, which is a more potent metabolite, is more) [) I$ D4 }* l% e" E  {+ ?7 ^8 j  a
active in young children exposed to testosterone
6 B$ C" ]7 \! x! g3 I6 `" z2 v2 Uexogenously7; however, we did not measure a dihy-) [1 n8 `+ y) ?- |' p1 b+ Q: ^
drotestosterone level in our patient. In addition to$ q- G. ?$ v! ]( K
virilization, exposure to exogenous testosterone in4 J7 k1 E$ P- Q4 [! V
children results in an increase in growth velocity and" p  f+ a- X( a# C9 A
advanced bone age, as seen in our patient.  G7 n5 L  k& B/ r6 ?8 n
The long-term effect of androgen exposure during
3 s' x! c6 q) H  y. h+ {early childhood on pubertal development and final
7 x" w5 q& q. Kadult height are not fully known and always remain
- m/ b! \( U5 p0 ua concern. Children treated with short-term testos-
9 T+ R8 \( S9 D' ^  d2 Uterone injection or topical androgen may exhibit some
+ d5 t% U' P1 D. \3 \acceleration of the skeletal maturation; however, after3 \6 k: A  a1 [( d: S: j
cessation of treatment, the rate of bone maturation
& n! f" C8 K" I5 Q  i' I- Gdecelerates and gradually returns to normal.8,9: O  B7 [0 E+ Q0 X& L# T1 r/ q" M
There are conflicting reports and controversy+ Y( L; S; _) B
over the effect of early androgen exposure on adult* B8 G  M" [( O% i' J  `6 [# y! |
penile length.10,11 Some reports suggest subnormal
$ |5 |) Z+ T/ T# S# A1 X) Cadult penile length, apparently because of downreg-
3 G: S& H" e1 O! o, B5 M) a# _ulation of androgen receptor number.10,12 However,. h* ^$ U1 T7 E/ [, `
Sutherland et al13 did not find a correlation between/ {$ h1 C/ \: ]9 x' \/ W
childhood testosterone exposure and reduced adult" q& b0 Q$ V, L+ }: \+ t
penile length in clinical studies.0 J" `7 `. K* `8 a: q
Nonetheless, we do not believe our patient is
: n  i' m) T0 M, V' J2 Cgoing to experience any of the untoward effects from  q  a( ?( L/ q: j* ], E$ y: }
testosterone exposure as mentioned earlier because- c1 O6 S8 B0 @" @  P) e* {6 W! x
the exposure was not for a prolonged period of time.
. s+ P  k* p% J/ pAlthough the bone age was advanced at the time of
4 S3 l1 P5 s7 z( ~diagnosis, the child had a normal growth velocity at
  S2 K) q3 }' P: {3 p# F3 Cthe follow-up visit. It is hoped that his final adult4 Z( s3 ?! s* U6 l
height will not be affected.
% ~& Q. v0 @3 ]0 v/ }Although rarely reported, the widespread avail-
  u+ N- S7 T* j' gability of androgen products in our society may
9 h( [7 ]$ [. ]7 F2 j: M& |- t, j3 `indeed cause more virilization in male or female
# i, G( G. z1 z) w9 Gchildren than one would realize. Exposure to andro-
' I6 m5 `! S" e# v8 P" s$ sgen products must be considered and specific ques-" k1 b# n# z; U% g( J- l
tioning about the use of a testosterone product or2 `) B$ R3 z0 R$ X
gel should be asked of the family members during+ C+ |5 Q& q5 x" u$ ?6 f
the evaluation of any children who present with vir-
5 `' n9 u/ H" U. ?ilization or peripheral precocious puberty. The diag-
! e! g9 v% @7 ^! D5 T( t' onosis can be established by just a few tests and by
- D2 D* d1 O5 L$ W) Mappropriate history. The inability to obtain such a7 M/ G+ \) ^9 z# f* Y6 z
history, or failure to ask the specific questions, may, P2 B0 C% W' X& N5 D0 Z0 u
result in extensive, unnecessary, and expensive
5 I9 R! v+ j( H4 v! L' B6 n% y$ Dinvestigation. The primary care physician should be
! ]; r+ s! z) l$ B$ y# i2 Xaware of this fact, because most of these children
  ?/ W/ c$ Q4 \$ Emay initially present in their practice. The Physicians’
* d5 V  f, a8 C( q; S/ L( r  CDesk Reference and package insert should also put a) H. H) J: S: N+ _0 `/ @6 e
warning about the virilizing effect on a male or1 G) Z. r2 g% Y9 T: `
female child who might come in contact with some-
- |$ u0 @4 @) Oone using any of these products.
* ]" h! c2 e7 |References
; X" _; c# S) V% |1. Styne DM. The testes: disorder of sexual differentiation
& r$ H8 M& i- B9 B: R! uand puberty in the male. In: Sperling MA, ed. Pediatric
! J8 d2 d& y2 [/ F. M; HEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
) h# _5 ^1 F# ]! L2 D% e2002: 565-628.
1 m/ K* s# e0 [% ~4 P7 b2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious$ N) S  r% q/ @
puberty in children with tumours of the suprasellar pineal
發表於 2025-1-4 03:27:02 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old1 L" E" i2 q$ A  r% {$ U$ X
Boy Induced by Indirect Topical
2 c; x3 A' }1 o2 m; c6 n2 V% Q- W; }Exposure to Testosterone
( j7 k4 {# V! B: n/ iSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
) {5 B8 d( [1 J7 u# c3 z0 Cand Kenneth R. Rettig, MD1
! b+ u6 r! ]! e  D' M& rClinical Pediatrics
: N9 U7 z# x/ R/ @5 GVolume 46 Number 6* z+ j6 K4 U2 [
July 2007 540-543* v4 |: H. v5 E1 j8 e- m" c) m
© 2007 Sage Publications' q" Q4 ^/ ]" R. v3 F2 q5 P
10.1177/00099228062966519 |1 Z# r7 O- w, S3 v
http://clp.sagepub.com
) Y7 [+ H; T* q: Z$ Fhosted at8 W2 e, z0 C9 n( n5 t
http://online.sagepub.com
/ }. b0 F9 _( Q' I* y; _Precocious puberty in boys, central or peripheral,7 x# e3 w/ h! t2 E
is a significant concern for physicians. Central, k1 h7 v4 P" n' v: _  r( @7 {
precocious puberty (CPP), which is mediated
, A$ u7 L' ~9 K5 {! n' Q+ u4 Lthrough the hypothalamic pituitary gonadal axis, has
* ~9 Y7 X4 B8 C7 H0 y; ua higher incidence of organic central nervous system
+ A9 p* C: O1 g( R0 m' M) nlesions in boys.1,2 Virilization in boys, as manifested
4 X5 b1 y- |9 Hby enlargement of the penis, development of pubic
' [% K) M- X9 e; O& Phair, and facial acne without enlargement of testi-
* J- X( r6 v4 C% l" F8 Zcles, suggests peripheral or pseudopuberty.1-3 We
6 ^7 z0 R5 H8 M4 Lreport a 16-month-old boy who presented with the. i% V0 N8 D  a/ d  {  M
enlargement of the phallus and pubic hair develop-0 K* B7 \  l) d0 ]1 w' p
ment without testicular enlargement, which was due
) h0 {1 Z% O( r% Yto the unintentional exposure to androgen gel used by
" m  L$ A1 C; o" i4 d* u' n- vthe father. The family initially concealed this infor-2 o, Q" \8 S7 W; O5 M  ^/ M7 E
mation, resulting in an extensive work-up for this8 T  C/ m- n* @( i9 G( A
child. Given the widespread and easy availability of
5 |/ t# C8 p6 K) j* Stestosterone gel and cream, we believe this is proba-3 M: I( i. y9 l2 I! |
bly more common than the rare case report in the
& v! D0 S! t: R, O: j& X# n! ?* wliterature.4
0 H! ^2 n, {7 B  Z* s% OPatient Report' p) y7 |) x2 S/ b4 l/ K; |5 R
A 16-month-old white child was referred to the
- J- |+ t5 {3 |1 b: w3 B1 cendocrine clinic by his pediatrician with the concern
" n7 O. z. v7 G; M5 |9 z3 lof early sexual development. His mother noticed
( s2 ?& b0 g2 l0 Slight colored pubic hair development when he was
) ~( p5 R. j9 s3 b8 o' _2 ]9 x; IFrom the 1Division of Pediatric Endocrinology, 2University of
3 i) e5 y$ z* M  M" FSouth Alabama Medical Center, Mobile, Alabama.; `" l* a* H+ c9 w1 h4 ]. B. k- B
Address correspondence to: Samar K. Bhowmick, MD, FACE,
' d7 f# Q+ _3 _3 d" m/ G) SProfessor of Pediatrics, University of South Alabama, College of( u9 c1 R4 V( U/ C4 x+ t" V
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;# H) N/ ]9 G. y: t1 r4 z
e-mail: [email protected].6 t+ d5 Z/ l4 P
about 6 to 7 months old, which progressively became0 k- D9 V. z* v: g7 n- W! i7 P* y* u
darker. She was also concerned about the enlarge-/ X2 K$ ]- r! U' ^1 c$ T
ment of his penis and frequent erections. The child) G! r( u6 Z4 X3 l3 a* Z/ v
was the product of a full-term normal delivery, with
+ h5 p& r. S! c- _" N$ Z0 ?a birth weight of 7 lb 14 oz, and birth length of  ~0 I" b0 O" W% V5 N" S
20 inches. He was breast-fed throughout the first year
1 H7 I8 n1 w5 v# d: t/ iof life and was still receiving breast milk along with
/ S, {9 u) A0 }2 k! Usolid food. He had no hospitalizations or surgery,, j. @9 w% X# U6 n" B/ ?9 v  r; X
and his psychosocial and psychomotor development: f& ~0 l4 R. ]1 m- y' S
was age appropriate.* d. |8 w( Z5 X
The family history was remarkable for the father,
8 S! I3 b% k- ewho was diagnosed with hypothyroidism at age 16,+ F7 i5 L2 Z% j, E# Q9 F- |$ {" b
which was treated with thyroxine. The father’s& C5 v4 d% l# s9 B. u; C( ?1 j
height was 6 feet, and he went through a somewhat8 w$ m4 j' l) F! x; w
early puberty and had stopped growing by age 14.9 d- v) F2 @3 @/ l+ b+ w# X/ l
The father denied taking any other medication. The
. m$ G) t6 h5 bchild’s mother was in good health. Her menarche- n% n: M- ^7 x4 l/ D, N1 z! _6 a
was at 11 years of age, and her height was at 5 feet
+ G3 N) ~1 D3 h5 inches. There was no other family history of pre-5 E2 t1 q9 V8 T3 K* [; ], {( B+ z
cocious sexual development in the first-degree rela-
8 H, j; k) j  A, k- `' V( Vtives. There were no siblings.
9 f) m$ H: Q5 b# I  H( h# ]) BPhysical Examination" z2 F! D. w" J2 \, K1 @
The physical examination revealed a very active,
4 Q" p! ?$ f; z7 i) a- Uplayful, and healthy boy. The vital signs documented5 m4 d+ y4 X: I. ^) n( a
a blood pressure of 85/50 mm Hg, his length was
; q9 t1 t7 t% L0 _" H) L90 cm (>97th percentile), and his weight was 14.4 kg
4 w. |4 G% Z4 m3 n  G3 {(also >97th percentile). The observed yearly growth
; T# S2 a: r/ W/ Cvelocity was 30 cm (12 inches). The examination of  c3 H5 T" a& v
the neck revealed no thyroid enlargement.5 }% ]( g+ S# ^% Y
The genitourinary examination was remarkable for
! T9 V" ?; c% Q0 {enlargement of the penis, with a stretched length of3 Y8 f7 R7 h9 {
8 cm and a width of 2 cm. The glans penis was very well, b* M/ D2 H4 j8 y
developed. The pubic hair was Tanner II, mostly around
* A$ j9 o- W  v+ M+ u& l9 B540  U  ]: n  U) }
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
/ c. ]' k% {* U4 y5 s! u" lthe base of the phallus and was dark and curled. The
1 [2 R  z5 B1 {testicular volume was prepubertal at 2 mL each.
) e. d8 E  V6 Y! S) z8 N& k# Q- O7 vThe skin was moist and smooth and somewhat
0 [0 f. |1 u( a( r/ |oily. No axillary hair was noted. There were no
9 M+ X* N6 M; M+ y" x" k* S3 eabnormal skin pigmentations or café-au-lait spots.
/ M% c/ V% C8 }6 ]Neurologic evaluation showed deep tendon reflex 2+: l$ t+ i2 @; B* A' _9 I
bilateral and symmetrical. There was no suggestion% R4 ~# T9 ]/ N) m
of papilledema.
9 S# ^0 J+ i& E3 ~0 h& V3 T5 t6 C5 \Laboratory Evaluation3 M3 m6 h2 y5 @' f0 |0 A" Z0 @
The bone age was consistent with 28 months by' I- \# r3 H! U
using the standard of Greulich and Pyle at a chrono-
1 \1 X# c8 B; t' t% S. i& {: Z5 P4 hlogic age of 16 months (advanced).5 Chromosomal
5 M& {" J1 @* p0 H% Xkaryotype was 46XY. The thyroid function test
$ [" t& `& C% R; n4 Z8 Gshowed a free T4 of 1.69 ng/dL, and thyroid stimu-" k8 n0 p2 G& u
lating hormone level was 1.3 µIU/mL (both normal).# Z- q) h* `  P  T8 I: u- ]. Q
The concentrations of serum electrolytes, blood
; g8 i2 ?" r" d8 y) u9 xurea nitrogen, creatinine, and calcium all were
) t" ?# H7 o6 R# |1 k( hwithin normal range for his age. The concentration
, ?- D- i. l$ W& J+ n8 oof serum 17-hydroxyprogesterone was 16 ng/dL
1 v! o1 {# H7 a# D* U(normal, 3 to 90 ng/dL), androstenedione was 20! i0 c3 T  J. Y- o
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
$ o1 v5 a) Y4 u" b2 Dterone was 38 ng/dL (normal, 50 to 760 ng/dL),- D2 O4 j3 r( ~1 H$ M& N, f6 p5 a9 K$ @
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
/ b, H) o8 F' r6 T  H49ng/dL), 11-desoxycortisol (specific compound S)- G+ _% j: k' k8 P
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
  @* z  H. N" Z; Q% a8 m0 f! htisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
& t' y% Q! C0 Y! f* v! y( e% mtestosterone was 60 ng/dL (normal <3 to 10 ng/dL),
& C+ S9 B2 g3 o3 Cand β-human chorionic gonadotropin was less than
$ y7 d* U& F/ [6 q! c9 k5 mIU/mL (normal <5 mIU/mL). Serum follicular8 E, E7 m9 V: H7 W9 F. E" k' L8 C
stimulating hormone and leuteinizing hormone
: ]" P6 k# L; C2 y/ V( n7 ^' yconcentrations were less than 0.05 mIU/mL. N# Q0 u- D8 P3 @
(prepubertal).
* |9 T; ~$ a+ `" ?( vThe parents were notified about the laboratory
! G1 O3 K  Y0 ^. N" uresults and were informed that all of the tests were- p3 k' M6 Q. l0 A; [/ V
normal except the testosterone level was high. The
$ C& J+ i& ~* z: c8 V) gfollow-up visit was arranged within a few weeks to
8 p2 p) @9 ]6 S  d& Oobtain testicular and abdominal sonograms; how-
; U: e5 \! j3 y  \- q3 oever, the family did not return for 4 months./ |1 ], h7 H2 E3 T5 Y
Physical examination at this time revealed that the& q. z( P" D5 |4 y
child had grown 2.5 cm in 4 months and had gained; t4 D& b/ O! B; |
2 kg of weight. Physical examination remained  L5 d0 I, b5 f
unchanged. Surprisingly, the pubic hair almost com-$ G8 H  ~9 E5 e- f, O7 h
pletely disappeared except for a few vellous hairs at
9 X  Q" c: [4 p: Y; \7 bthe base of the phallus. Testicular volume was still 2
# S* N. Q! V6 G1 M# d4 HmL, and the size of the penis remained unchanged.0 d$ p, j3 F4 J
The mother also said that the boy was no longer hav-3 h8 `+ U' N) M: |+ J6 \
ing frequent erections./ O6 ~' R$ ~8 b
Both parents were again questioned about use of& A* {. j/ }0 S( H$ T/ S7 c
any ointment/creams that they may have applied to
" g. [4 C' M1 }; d, n5 jthe child’s skin. This time the father admitted the
) w6 T$ q: ~: t! o+ [/ fTopical Testosterone Exposure / Bhowmick et al 541  ~9 l& f- t3 G) x& o0 \
use of testosterone gel twice daily that he was apply-3 C  g- f' ]$ ?, d0 o+ h$ j
ing over his own shoulders, chest, and back area for
$ d. \9 s5 s1 ?. W2 ca year. The father also revealed he was embarrassed
9 m% ~$ J' g1 xto disclose that he was using a testosterone gel pre-" g. o( C. |' z3 L
scribed by his family physician for decreased libido" t- ?* i8 e, m4 I7 ^
secondary to depression.
: Y2 A* ?" Z/ @The child slept in the same bed with parents.
/ C( M( ~& Y& k- ]% \6 GThe father would hug the baby and hold him on his
# L7 h, N4 E' X( q/ l0 c/ Kchest for a considerable period of time, causing sig-
$ H* u2 q0 `) _" K- x8 Z8 Fnificant bare skin contact between baby and father.
5 i0 E9 ]& K$ q* |( M2 A1 mThe father also admitted that after the phone call,3 r3 t) M0 y- ]: J
when he learned the testosterone level in the baby6 r- |3 p% q8 l* i$ ^; w8 b# [
was high, he then read the product information
( |: M7 T4 @2 y- g" h6 ypacket and concluded that it was most likely the rea-
) O6 v3 v0 @+ T# b1 Wson for the child’s virilization. At that time, they  [! j' |# _% O1 b9 U( ^
decided to put the baby in a separate bed, and the4 a% X. q! X# A3 K- M
father was not hugging him with bare skin and had% D! |7 A+ [" i- X2 D: Y
been using protective clothing. A repeat testosterone* z/ J: b0 G3 c2 O+ X
test was ordered, but the family did not go to the
4 Z: R: {% ^2 t3 z* D" n, Llaboratory to obtain the test.
  @( {, Q+ ~: \- Q2 MDiscussion' `: k; ~7 ]0 {" |! M- V: ]
Precocious puberty in boys is defined as secondary. F2 X9 V$ Y0 L; G: R
sexual development before 9 years of age.1,49 z; H4 ^# K/ @' r, T, V1 \
Precocious puberty is termed as central (true) when& ]' g; o3 u) z$ o- u: f
it is caused by the premature activation of hypo-
* Q2 y9 T+ _% t& w. a, q& m9 sthalamic pituitary gonadal axis. CPP is more com-
# ^+ O( q) w3 h0 `9 t( xmon in girls than in boys.1,3 Most boys with CPP
  ~* y; \. C8 ymay have a central nervous system lesion that is
& V  Y7 _( Y! m! e/ Y* c/ |* mresponsible for the early activation of the hypothal-7 ^. J! T9 w( `8 Z+ k
amic pituitary gonadal axis.1-3 Thus, greater empha-
8 U* Z3 u2 Y& M$ \+ Y! G# e$ Asis has been given to neuroradiologic imaging in
3 O3 |2 y7 U1 `5 \% ?boys with precocious puberty. In addition to viril-2 |& b! n9 x/ r; R6 L9 f
ization, the clinical hallmark of CPP is the symmet-
0 [/ X$ z! X- z" mrical testicular growth secondary to stimulation by) }( K! |" ?1 ~% D  n
gonadotropins.1,31 }! N4 C( U: u  T0 \* q6 m  o
Gonadotropin-independent peripheral preco-7 M8 {! B+ |; \! V5 @4 }3 `6 l, b
cious puberty in boys also results from inappropriate
' W) T) H  P) oandrogenic stimulation from either endogenous or& @! @# F$ g9 f/ r/ a% Q/ @
exogenous sources, nonpituitary gonadotropin stim-
- ^- d* W  L! _5 ?ulation, and rare activating mutations.3 Virilizing
: ?5 b9 x: N5 }0 H, u' b5 Icongenital adrenal hyperplasia producing excessive
: ~# T3 M+ A" L2 ^* q, Padrenal androgens is a common cause of precocious
2 o9 S7 _6 k4 X! }5 D2 U' Ipuberty in boys.3,4% g6 V9 {3 B: [- D( ~8 d( W
The most common form of congenital adrenal
  Q; y0 G! x! V$ [hyperplasia is the 21-hydroxylase enzyme deficiency.1 f& q6 B- @4 X1 x! Q
The 11-β hydroxylase deficiency may also result in/ ]/ X/ }, A. ]: e& e! h% a
excessive adrenal androgen production, and rarely,
/ x5 B9 o. S. ~$ @an adrenal tumor may also cause adrenal androgen
+ B* N- i+ _+ c) fexcess.1,3) h  I2 Y; `9 G2 O
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
0 U5 K- X! B6 P2 [( V; M7 \( R542 Clinical Pediatrics / Vol. 46, No. 6, July 2007) l9 Y7 @) M# t( |
A unique entity of male-limited gonadotropin-
6 g& Q  t! L9 @1 O2 x+ }independent precocious puberty, which is also known9 `2 ?, c' Y# j. F1 h- L
as testotoxicosis, may cause precocious puberty at a
5 C: q: u( h; bvery young age. The physical findings in these boys* o9 N! x2 p& R6 G
with this disorder are full pubertal development,
$ O  f3 \' u' y6 Kincluding bilateral testicular growth, similar to boys
9 Z' l# ?; S; A$ Mwith CPP. The gonadotropin levels in this disorder4 A- z6 i* U$ q2 W1 `
are suppressed to prepubertal levels and do not show# P; e: X! I9 v) L9 C
pubertal response of gonadotropin after gonadotropin-
( @! u5 N9 u* E" V, g, [9 \releasing hormone stimulation. This is a sex-linked* k0 \1 z( S/ }  Y" S2 E
autosomal dominant disorder that affects only
0 w3 a9 @  G& o  x, ^) fmales; therefore, other male members of the family  f6 @- l0 n% H8 y9 Z# X
may have similar precocious puberty.31 S; c+ f# C) W6 M. j2 {& y. J' J3 A
In our patient, physical examination was incon-
9 s3 i" e# U# K' g* Gsistent with true precocious puberty since his testi-' V7 l; O9 P+ m  P+ d5 ~: c3 y
cles were prepubertal in size. However, testotoxicosis, H0 f8 Q6 d, R/ v2 S6 O5 c3 M
was in the differential diagnosis because his father- {2 [3 d' T7 }7 Q
started puberty somewhat early, and occasionally,
2 _$ E5 R! z' h, l$ x. g3 otesticular enlargement is not that evident in the
5 a5 F/ {6 `# D- xbeginning of this process.1 In the absence of a neg-
0 t( ?$ X; c& a' ^; z) C( z: ?ative initial history of androgen exposure, our0 `* K) g4 e! i) a# x9 j/ D
biggest concern was virilizing adrenal hyperplasia,% q# B1 H, y2 ?& c; s
either 21-hydroxylase deficiency or 11-β hydroxylase
6 B* u4 b) W$ ^$ Q2 K. Ndeficiency. Those diagnoses were excluded by find-
/ n$ Z1 F; K) g% c% ming the normal level of adrenal steroids.! A" u2 E* i( B$ T/ `# S; D( o3 S
The diagnosis of exogenous androgens was strongly, C' v+ k: F; e7 {; @
suspected in a follow-up visit after 4 months because
6 f" z2 h" B; J& o1 Pthe physical examination revealed the complete disap-1 J2 }" Q* r6 O1 Q) R1 h
pearance of pubic hair, normal growth velocity, and+ l* {; L2 j+ T: t# _- T3 i' u
decreased erections. The father admitted using a testos-
1 _9 m. ]5 @& U3 rterone gel, which he concealed at first visit. He was2 Z. v( f4 G* t9 \+ u9 n: Z
using it rather frequently, twice a day. The Physicians’
/ `, R* Q' h) Z8 y2 v% P# m1 l$ kDesk Reference, or package insert of this product, gel or  O2 n8 f; \' Z7 p9 N! |; F
cream, cautions about dermal testosterone transfer to
3 U# V1 Z& n$ y$ vunprotected females through direct skin exposure.
/ @( o2 b* w% w8 ~, CSerum testosterone level was found to be 2 times the- L4 p! U+ d2 ?5 N% f1 U, U
baseline value in those females who were exposed to' t& r# c5 O7 m0 [0 r
even 15 minutes of direct skin contact with their male
* L( [% i# H9 r  Rpartners.6 However, when a shirt covered the applica-# K6 T7 L+ Z6 g3 U* D' E
tion site, this testosterone transfer was prevented.  S4 ?! b7 \, N* o- {* A4 ~( p+ w
Our patient’s testosterone level was 60 ng/mL,) z3 ~2 e  k, c" ?: q* ?; l
which was clearly high. Some studies suggest that/ L' M6 R4 Z; `: o
dermal conversion of testosterone to dihydrotestos-. z7 k0 w4 h; n& K+ m5 L. L6 h$ s9 o
terone, which is a more potent metabolite, is more+ R, E0 ^2 }* U4 }& E
active in young children exposed to testosterone
4 j2 |1 e! h# [4 t/ J+ Gexogenously7; however, we did not measure a dihy-
% j! V! [+ S  a6 q( \# _. ldrotestosterone level in our patient. In addition to
) {5 Z+ {2 B/ m: P/ R+ l- Fvirilization, exposure to exogenous testosterone in
* P' H8 [. D3 M( Y6 q! R8 achildren results in an increase in growth velocity and
' n$ @' P. H0 D' r0 W' j1 U7 s! ?, qadvanced bone age, as seen in our patient.  j3 e+ e. l4 E) _" K9 y
The long-term effect of androgen exposure during+ e6 o9 M; f8 u4 w  U, X
early childhood on pubertal development and final& N7 ~" N* F3 ^7 W2 n" P2 y6 N
adult height are not fully known and always remain
9 k' {" Y1 ~& W5 Z6 ~9 l( @a concern. Children treated with short-term testos-% W/ d2 A& e/ {4 y' X" ^
terone injection or topical androgen may exhibit some
% g1 ^3 U3 D1 eacceleration of the skeletal maturation; however, after
- ^- ~+ z# R0 Q1 A0 o3 |, v2 lcessation of treatment, the rate of bone maturation
! g" o6 h2 z# a# H" c0 bdecelerates and gradually returns to normal.8,9
9 {& L) q5 ]8 b! ]: I# \There are conflicting reports and controversy
% P5 J* I; I/ p4 u( n2 aover the effect of early androgen exposure on adult
9 L. H: t3 x- i7 A7 U. h& T& ]penile length.10,11 Some reports suggest subnormal
2 Q$ X" f2 t. g: e3 _adult penile length, apparently because of downreg-
' m4 X5 D( l+ Zulation of androgen receptor number.10,12 However,
0 s, B4 p0 U1 b! l" u+ N# v% `1 mSutherland et al13 did not find a correlation between
2 w3 t, @9 {4 U$ l; l( t( P0 @* Ochildhood testosterone exposure and reduced adult6 u/ L9 b) q7 B- o
penile length in clinical studies.
1 [# |& c1 g6 p8 i: g* |Nonetheless, we do not believe our patient is3 u  E( ^7 o( T$ e' L  e6 }- I
going to experience any of the untoward effects from
: N0 [  E; V/ Itestosterone exposure as mentioned earlier because" }# k" n! _  P7 R# _
the exposure was not for a prolonged period of time.8 k1 R( g8 B( I$ O0 J, Y
Although the bone age was advanced at the time of: V3 d$ j3 [: o3 @. s
diagnosis, the child had a normal growth velocity at9 c9 I8 W+ w' P9 b' g7 t
the follow-up visit. It is hoped that his final adult
" ~7 e$ ]; B* M$ O+ }height will not be affected.
/ `$ C2 @( ^# W' Y8 R. UAlthough rarely reported, the widespread avail-
* ?( Z' g0 C8 M9 a: d$ _ability of androgen products in our society may9 t) v! S3 P5 W
indeed cause more virilization in male or female7 a$ J7 {& T/ W: x
children than one would realize. Exposure to andro-; P. h) S2 @4 ~% I8 ?/ v4 E
gen products must be considered and specific ques-% K  L; h; O7 ~0 c/ m5 c/ w" f8 |" H
tioning about the use of a testosterone product or
; d" o5 y. M& ~2 G9 egel should be asked of the family members during# ~6 _$ z$ r1 L2 @. q
the evaluation of any children who present with vir-
" \3 _" w$ j2 n$ L. |ilization or peripheral precocious puberty. The diag-
" t2 M# G5 ]. c2 Knosis can be established by just a few tests and by! R: j! k; D6 c3 ^
appropriate history. The inability to obtain such a
1 V/ \/ l5 @1 j% L3 k$ x: J# z: s: Ahistory, or failure to ask the specific questions, may
# S! h; y, [6 H- J1 ^result in extensive, unnecessary, and expensive
+ l' d0 e, a- V8 Z; q3 linvestigation. The primary care physician should be: ^# T' W0 _9 S( u' _
aware of this fact, because most of these children
/ a; j6 [0 a0 |6 Z0 y6 W3 Rmay initially present in their practice. The Physicians’
, w2 v+ }& K* A+ }8 `8 nDesk Reference and package insert should also put a( s0 D/ ?! [5 d+ }: K4 }
warning about the virilizing effect on a male or
3 X- S( K; v! N' e' Pfemale child who might come in contact with some-
% w9 j' O1 r7 Y" z' Y& Q1 Aone using any of these products.
5 b4 Q1 x$ K$ g; v( o  X' M' iReferences2 J/ A, [& I4 L) O: R6 W) r1 \$ X
1. Styne DM. The testes: disorder of sexual differentiation; _4 H% S& w8 k
and puberty in the male. In: Sperling MA, ed. Pediatric
+ u4 g4 u9 U* p$ [Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;, C& ]7 N/ x- X
2002: 565-628.# w+ X& Z3 b( \8 o/ ]- ?! n* w
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious7 E4 c. B" L7 E, b& x
puberty in children with tumours of the suprasellar pineal
發表於 2025-1-11 22:18:01 | 顯示全部樓層
女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点
發表於 2025-1-17 16:31:39 | 顯示全部樓層
4个什么样的?
發表於 2025-1-19 02:41:05 | 顯示全部樓層

& [! k( U9 K! X& E5 m' q精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
發表於 2025-3-11 12:31:56 | 顯示全部樓層
么好吧v进化过程就回国参加发uft成就和;哦i回来就好v科技股份兄弟人的 路由公开vu个v库每年b
發表於 2025-4-8 11:10:25 | 顯示全部樓層
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
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