ESPE Abstracts

Germ cell tumors (GCTs) comprise a heterogeneous group of neoplasms. The WHO classification 2016 recognizes three types of testicular GCTs, including the GCNIS-related (Germ Cell Neoplasia In Situ) GCTs, being the malignant seminomas and nonseminomas. They originate from a totipotent embryonic germ cell. GCNIS, seminoma and embryonal carcinoma, are characterized by the pluripotency marker OCT3/4 (POU5F1). Seminomas (and GCNIS) are positive for SOX17 and embryonal carcinomas fo...

Male reproductive disorders are common and there is evidence for increasing incidence over recent decades. These disorders may present at birth (hypospadias and cryptorchidism) or in adulthood (infertility, testicular cancer) and can arise as a result of underlying genetic abnormalities or following environmental (e.g. phthalates) and pharmaceutical (e.g. analgesics, chemotherapy) exposures that impact fetal, neonatal of prepubertal testicular development. Understanding the re...

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