Apple core appearance on barium enema is seen in?: (A) Carcinoma Colon, (B) TB caecum, (C) Crohns disease, (D) Ulcerative colitis
Answer is A. Ans. (a) Carcinoma ColonRef: Bailey 26th ed. 170* On double contrast barium enema of the rectum and distal sigmoid colon demonstrates a typical annular constricting carcinoma of the colon with overhanging edges on both the proximal and distal margins forming a so called "apple-core" lesion.