Home > E. Pathology by systems > Digestive system > digestive leiomyosarcoma
digestive leiomyosarcoma
Friday 2 February 2007
Definition: Digestive leiomyosarcomas are spindle cell tumors showing smooth muscle differentiation.
Images
Rectal leiomyosarcoma. More pleomorphic than GIST. Desmin+ Dog1-
intestinal epithelioid leiomyosarcoma / jejunum
Localization
esophageal leiomyosarcoma
gastric leiomyosarcoma
intestinal leiomyosarcoma
colonic leiomyosarcoma
rectal leiomyosarcoma
CGH
CGH losses
Amplification
17p13-p11 amplification (16982739)
- candidate genes: AURKB, SREBF1, MFAP4, and FLJ10847 (16982739)