Gastrointestinal stromal tumors: A clinicopathologic and immunohistochemical study of 136 cases (original) (raw)

The clinicopathologic features of 136 gastrointesti-primary cases. Ulceration observed by microscopic nal stromal tumors were analyzed. The tumors examination was common (36 of 110 cases, 32.7%), occurred in 60 women and 76 men, ranging in age explaining the clinically frequently observed gasfrom 19 to 88 years (median 59 years, mean 59.2 trointestinal bleeding. Unusual histological feayears). Sixty-one cases arose from stomach, 38 from tures such as stromal hyalinization and nuclear palsmall intestine and 11 from colon or rectum.