Squamous cell carcinoma of the vagina Malignant tumor of the vagina arising from the squamous epithelium. Squamous cell carcinoma of the vulva Malignant tumor of the vulvar squamous epithelium. It can be exophytic, ulcerative or endophytic. Histologically, it is graded based on the degree of cellular an aplasia from well to poorly differentiated. Teratoma Benign tumor of germ cell origin, compose of nonproliferating somatic tissues.
Immature teratomas contain embryonic tissues in addition, more solid and have a poorer prognosis.
Thecoma A benign yellowish solid functional ovarian tumor , composed of lipid-laden theca cells that arises in postmenopausal women. In the majority of cases it produces signs of estrogen production with breast enlargement and irregularity in menstrual cycles. The pathogenesis is not exactly known, but is related to reduced blood flow with widespread ischemic changes in the placenta and other organs. The placenta shows extensive infarct ion throughout. A variant of well differentiated squamous cell carcinoma that presents as a large fungating mass resembling a giant condyloma.