Histopathological Study of Colorectal Malignancy–A Five Year Experience

Objectives:The aim of the study is to determine the histopathological features of primary colorectal cancers. Materials and methods: 102 patients with primary colorectal tumors diagnosed over a 5 year period studied histopathologically they were classified using the WHO classification of colorectal malignancies. primary gastrointestinal tumors Diagnosis. Result: Most of the colorectal tumors were adenocarcinoma 85% and most were tubular carcinoma and other were papillary and mucinous adenocarcinoma. Though the sqaumous cell carcinoma remains the second common tumor and comprising about only 6.5 % of all the total malignant neoplasm, and carcinoid, GIST, melanoma, Non Hodgkin’s lymphoma, poorly differentiated carcinoma comprising about 1 % of the colorectal cancers. Conclusion:Most of the colorectal tumors were adenocarcinoma 85% arising from the proximal colon and in the sigmorectum, most were tubular carcinoma and other were papillary and mucinous adenocarcinoma. Sqaumous cell carcinoma remains the second common tumor and comprising about only 6.5 % and occurring in the anorectal region as well as malignant melanoma common in the anal canal and in the anus. The other tumors carcinoid, GIST, melanoma, Non Hodgins lymphoma, poorly differentiated carcinoma comprising about 1 % of the colorectal cancers and scattered through out the large bowel.