THE GASTRIC LEIOMYOSARCOMAS - REPORT OF 6 CASES WITH REVIEW OF THE LITERATURE

The gastric leiomyosarcoma is a malignant mesenchymatous tumor which o riginates from the mucous muscular and which develop mainly in extramu cosa. It is a very incommon tumor sivice, the clinical symptomatology is very polymorphic, it depends the size of the tumor and its endo ou exogastric course. The fibroscopy, echotomography and scan are aften i nsufficient to diagnose the gastric leiomyosarcoma. The echoendoscopy allows to know localization submucosa of the lesion; the cytopuncture provides the histological confirmation. The therapeutical management o f leiomyosarcome is mainly surgical a partial or total gastrectomy can be performed according of the tumoral lesion. The chemiotherapy and t he radiotherapy have not given proof of their efficiency to manage lei omyosarcoma. Evolution of leiomyosarcoma is slow ant un forescable. Me tastasis and local recurences can occur thas indicates importance of a regular following up of the patients who underuvent surgery. Leter th e prognosis of the gastric leiomyosarcoma is better than that of adeno carcinoma. It depends of more the tumoral size, presence or absence of metastasis and lastly of the histologic aspect.