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Granulosa cell tumor of the testis in a newborn
(Hospital Universitário da USPSão Paulo, 2014)
Testicular neoplasms are uncommon tumors of childhood. These tumors
comprise the germ cell tumors, and other tumors that may originate from
histological testicular components, which are unrelated to the germinal ...
Y chromosome in Turner syndrome: review of the literature
(Associação Paulista de Medicina - APM, 2009-11-01)
Turner syndrome (TS) is one of the most common types of aneuploidy among humans, and is present in 1:2000 newborns with female phenotype. Cytogenetically, the syndrome is characterized by sex chromosome monosomy (45,X), ...
Anti-Müllerian hormone as a marker of steroid and gonadotropin action in the testis of children and adolescents with disorders of the gonadal axis
(BioMed Central, 2016-10)
In pediatric patients, basal testosterone and gonadotropin levels may be uninformative in the assessment of testicular function. Measurement of serum anti-Müllerian hormone (AMH) has become increasingly widespread since ...
Tumor de cordones sexuales con túbulos anulares en paciente con síndrome de Turner: mosaicismo 45X/46XY
Introducción: En la literatura se ha descrito la estrecha relación que existe entre gónadas disgenéticas con presencia del cromosoma Y y el riesgo de desarrollar gonadoblastoma. Sin embargo, se sabe poco y es incierta la ...