A mesenchymal hamartoma is another ... then pathologists must distinguish these tumors from adenocarcinoma metastases. Male sex and benign liver tumor: an a priori suspicious combination.

a common benign tumor; epithelioid hemangioendothelioma, a rare, usually low-grade malignant tumor; and angiosarcoma, a rare and very aggressive tumor. All these primary mesenchymal tumors develop ...

This a periungual fibroma, a benign mesenchymal tumor. Multiple periungual fibromas may be a sign of the tuberous sclerosis complex (TSC), which is due to a mutation in the TSC1 or TSC2 gene.