Leiomyosarcoma of the colon. An uncommon condition.

The gastrointestinal leiomyosarcoma is a rare tumor of the colon that arises from the smooth muscle cells of the intestinal wall. It is a very aggressive tumor with a poor prognosis.

Perivascular epithelioid cell tumor (PEComa) of the liver. An extremely rare diagnosis.

Hepatic PEComa are tumors that show perivascular epithelioid cell differentiation. Scarcely published, its management is based on small case series and currently its treatment of choice is surgical resection. We present a clinical case of a 74-year-old woman who underwent surgery at our hospital for a benign hepatic PEComa.