Wednesday, June 30, 2010

Psammoma Bodies



Round collection of calcium.
- thought to arise from infarction and calcification of intralymphatic tumor thrombi

Commonly seen with:
- papillary thyroid cancer
- papillary RCC
- serous papillary ovarian adenoca
- endometrial adenoca
- meningioma
- mesothelioma
- prolactinoma
- endosalpingiosis

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