- Endometrioid tumor
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ICDO = 8380-8381
MeshID = D018269
Endometrioid tumors are part of the surface epithelial
tumorgroup of ovarian neoplasms (10-20% of which are the endometrioid type). Benignand borderlinevariants are rare, as the majority are malignant.There is an association with endometriosisand concurrent primary endometrial carcinoma(endometrial cancer).
On gross pathological examination, the tumour is cystic and may be solid and some arise in cystic endometriosis.In 17% of cases, endometrioid tumours are found bilaterally.
Microscopically, there is a resemblance to
endometrium/cite web |url=http://www.mercksource.com/pp/us/cns/cns_hl_dorlands_split.jsp?pg=/ppdocs/us/common/dorlands/dorland/nine/13959057.htm |title=Dorlands Medical Dictionary:endometrioid tumor |format= |work= |accessdate=] endometrial carcinoma, and over a third of cases have focal squamous differentiation.
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