Report of a Primary Testicular Embryonal Rhabdomyosarcoma.

Primary testicular rhabdomyosarcoma is a rare pediatric genitourinary tumor with few cases reported in the literature. The clinical presentation is identical to that of other common testicular neoplasms. Diagnosis entails careful microscopic examination and immunohistochemical analysis to rule out other primary testicular malignancies.

Intestinal endometriosis as a cause of rectal bleeding: a case report.

Endometriosis is the presence of endometrial glands and stroma outside the uterine cavity and musculature. The estimated prevalence of endometriosis in Puerto Rico is 4.0%.