نتایج جستجو برای: extragonadal
تعداد نتایج: 438 فیلتر نتایج به سال:
Germ cell tumors are the most common malignancy in men aged 15-35 years old, with a small percentage presenting in an extragonadal location. These tumors are seldom identified in the gastrointestinal tract. There is increased risk of extragonadal germ cell tumors (EGCT) in men with Klinefelter syndrome (KS). We report a rare case of a 37-year-old male with KS and EGCT discovered in the duodenum...
Background: Teratomas are the most common ovarian germ cell tumors. Growing teratoma syndrome is a rare condition that entails appearance of extragonadal teratomas during or after chemotherapy treatment non seminomatous
Authors Amy Heerema-McKenney, MD* Department of Pathology, Stanford University, Palo Alto, California Jay Bowen, MS Center for Childhood Cancer, Columbus Children’s Research Institute, Columbus, Ohio D. Ashley Hill, MD Department of Pathology, Children’s National Medical Center, Washington, DC Stephen J. Qualman, MD** Center for Childhood Cancer, Columbus Children’s Research Institute, Columbus...
background: over recent decades a possible decrease in sperm quality and an increase in the incidence of testicular cancer have been reported in many populations. some recent findings, as cohort studies, showed an increased risk of testicular cancer in men with abnormal semen analysis. case: a 30 years old man referred to our clinic with chief compliant of infertility for 3 years. spermogram re...
A germ cell tumor is the most common form of malignancy in early male life, and can be classified as either seminomatous or nonseminomatous. Choriocarcinoma, comprised of nonseminomatous germ cells, is the most aggressive type of germ cell tumor and characteristically metastasizes to the retroperitoneal lymph nodes and less frequently to the lungs, liver, bone or brain [Shibuya et al., 2009;48:...
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