Gastrointestinal stromal tumor presenting as a large abdominal mass.

Objective: We report on a male patient operated on for a mesenchymal tumor of the digestive tract presenting a mega cyst-like abdominal mass.

Material And Methods: The size of the lesion was magnum, the mass presented as unilocular, the wall thickness was not uniform (0.1 to 1 cm) with hemorragic areas, the lesions were multiple measuring 3x2 cm and less, the mitotic index was borderline.