Adenosquamous carcinoma of the rectum: a case report.

ABSTRACT

Adenosquamous carcinoma is defined as a tumor with well defined malignant glandular and squamous components and the potential for both components to metastases. This tumor is extremely rare in colon and rectum with an incidence of less than 0.2%. Adenosquamous carcinoma of rectum should be distinguished from collision tumor with exemption of all lesions located distal to a level of 7 cm above the dentate line. Here we present a case of rare type adenosquamous carcinoma in rectum in a 29 year old female.