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*#Extensive papillary growth. † | *#Extensive papillary growth. † | ||
*#Severe cytologic atypia. † | *#Severe cytologic atypia. † | ||
*Squamous metaplasia - very common. | *Endometrioid features: | ||
**Look for ''squamous morules'': | **+/-Low-grade nuclear features. | ||
***Ball of cells with an intensely eosinophilic cytoplasm - '''key feature'''. | **Squamous metaplasia - very common. | ||
***Central nucleus. | ***Look for ''squamous morules'': | ||
***Intercellular bridges - may be hard to find. | ****Ball of cells with an intensely eosinophilic cytoplasm - '''key feature'''. | ||
***+/-Dyskeratotic cells. | ****Central nucleus. | ||
****Intercellular bridges - may be hard to find. | |||
****+/-Dyskeratotic cells. | |||
Notes: | Notes: |
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