#pedipath X #bstpath ... Pretty example of a peripheral schwannoma in a young child. Retained INI-expression here supports non-syndromic origin. In contrast, a mosaic pattern of INI-1 loss could suggest underlying schwannomatosis.

WSI: utexas.pathpresenter.net/public/displ...

If you are a resident who hates lymph nodes -> this is for you

If you are a #hemepath fellow that hasn't seen many pediatric nodes -> this is for you

If you are a #pedipath + #hemepath trained person... just hate watch it I guess

#pedipath x #bstpath

Rapidly growing neck mass

DX: Nodular fasciitis
SMA+
NEG: Desmin, Alk-1, S100, Sox-10
Mitoses and extravasated red cells are common

WSI: utexas.pathpresenter.net/public/displ...

Lab of the day