(A) Low magnification shows a vasoformative tumour. (B) Low magnification showing the tumour infiltrating the surrounding adipose tissue in a myxoid stroma. (C) High magnification showing a tumour ...

Perivascular epithelioid cell tumours (PEComas) constitute a rare family of mesenchymal neoplasms defined by distinctive epithelioid and myomelanocytic differentiation. Histologically, they range from ...

It's not often that a pathologist gets to make a diagnosis that works for the patient by preventing treatment from occurring. But thanks to a Johns Hopkins Medicine doctor and his newly reported ...