Endometrial carcinoma: Difference between revisions
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===Microscopic=== | ===Microscopic=== | ||
Features: | Features:<ref name=pmid22885379> | ||
*Clear cells - with moderate nuclear pleomorphism | *Clear cells - with moderate nuclear pleomorphism - '''key feature'''. | ||
**Classically clear cells... but not always. | **Classically clear cells... but not always. | ||
*Hobnail pattern -- apical cytoplasm > cytoplasm on basement membrane. | *Hobnail pattern -- apical cytoplasm > cytoplasm on basement membrane. | ||
*Usually tubular/cystic, may be solid or papillary. | |||
**Papillae may be pseudopapillae -- with edema instead of vessels. | |||
DDx: | DDx: | ||