Subdirector de la Carrera de Especialista en Endocrinología Pediátrica, Universidad de Buenos Aires. La criptorquidia es la anomalía genital más común en el recién nacido varón .. alternativas: la cirugía a cielo abierto o la laparoscopia. Acta Pediátrica de México Volumen 27, Núm. 6, noviembre-diciembre, Criptorquidia. Nueva Se analiza qué pacientes requieren cirugía y cuáles Palabras clave: Criptorquidia, testículos, tratamiento hormonal, tratamiento quirúrgico. Revista Mexicana de Cirugía Pediátrica 15 years of age, with criptorquidia inguinal, patients by means of orquidopexia paraescrotal, in a pediatric Hospital.
|Published (Last):||4 August 2015|
|PDF File Size:||9.34 Mb|
|ePub File Size:||15.12 Mb|
|Price:||Free* [*Free Regsitration Required]|
Endocr Rev In advanced puberty and in adulthood there is a negative correlation between inhibin B and FSH serum levels. Posteriormente, las gonadotropinas permanecen en niveles bajos hasta el inicio de la pubertad.
criptorquidia cirugia pediatrica pdf
A su vez puede ser uni o bilateral. Surgical treatment of unilaterally undescended testes: Generally, it is recommended to performed orchidopexy, one testis at a time. Around the 8th week, also, the first steroid secreting Leydig cells are differentiated from interstitial cells.
Elisa Vaiani, Marco A. In Argentina, there is no data published on the incidence pediatrics acquired cryptorchidism. Does hCG treatment induce inflamation like changes in undescendent testes in boys? Finally, no information on fertility is as yet available in patients who underwent surgery very early: Calcitonin gene-related peptide stimulates mitosis in the tipo f the rat gubernaculum in Vitro and provides the chemostatic signals to control gubernacular migration during testicular descent.
A list of recommended studies as a function of age when other anomalies are suspected is shown in Table 1.
Furthermore, a significant increment in the ratio between the descended and scrotal testis from criptorquidiz. Endocrinology of male puberty. The use of hormone therapy in cryptorchidism. Environmental and genetic causes have been proposed Comprehensive meta-analyses of published evidence can be found in 3 studies.
Nordic consensus on treatment of undescended testes.
The higher prevalence in certain populations and geographical areas suggest the presence of genetic and environmental factors. The importance of the normal localization of the testis has been recognized for centuries, in the Middle Age to confirm that the elected pope was a complete man, the normal location of cirrugia testes was appreciated: Este riesgo se ve incrementado con la edad sin no se resuelve la criptorquidia.
Orchidopexy Paraescrotal in Children with Criptorquidia Inguinal
Surgical approaches depend on testicular palpation: Evidence of the beneficial result of early surgery. Fertility alter bilateral criptorchidism.
The frequency of anomalies found was low, 2. See the Spanish version.
Two types of approach have been used for decades: Acta Paediatr Serum levels of inhibin B were decreased, along with an increase of serum FSH. Leydig cell also secrete the peptide insulin-like factor 3 INSL3a member of the relaxin-insulin family, which plays a major role in the masculinization of gubernaculum testis, a ligament necessary for testicular descent.
However, the available evidence on the potential beneficial effects of coadjutant therapy with GnRH needs confirmation. Update on congenital versus acquired undescended testes: Very few studies had reported on the quality of sperm as a function of age at orchidopexy. Testosterone induces the development of the Wolfian ducts into male gonaducts, and through its metabolite dihydrotestosterone, the differentiation of male external genitalia, between weeks th of gestation.
Evaluation by paternity, hormonal and semen data. This risk is increased with age if cryptorchidism is not corrected. During this period, first semester of life, most cryptorchid testes descend. It would be very useful to cirugix to the neonatal clinical chart, and to neonatal and pediatric sanitary controls used by parents, the description of the localization of the testes, in order to carry out precocious treatment, as well pediatrics to document the acquired cryptorchidism rate in our populations.
In figure 2, a brief description of this process is shown.
Finally, Hoxa 10 gene mutations generate lack of development of the posterior region of the embryo including criptorchidism 6. These differences were not observed after unilateral orchidopexy. This study proposes that cryptorchidism is secondary to a primary testicular defect. Indeed, caudal region defects in humans are associated with criptorchidism.