Clinical and roentgenological evaluation of tumor of the colon

Lee, S H; Woo, W H

Abstract

The entirety of the colon is examined best by roentgenology and the barium enema examination is generallyregarded as the procedure of choice. One hundred and seven cases of tumor of the colon and rectum were proved bysurgery or biopsy at Korea General Hospital from January 1970 to April 1974, and it distinguished 61 cases ofmalignancy of the colon and rectum and 46 cases of benign tumor. The results summarized are follows : 1. Incidenceof tumor in the colon and rectum is more common in male;male to female ratio is 2.2:1 and 1.6:1 in malignant andbenign tumor respectively. 2. Peak age incidence of benign tumor is 3-4 decades younger than malignant that of 5thdecade. 3. The most frequent complaint is melena or tarry stool in both benign and malignant colonic tumors. 4.Twenty-four percent of benign tumor are found out incidentally at general check-up exaination. 5. Sixty-ninepercent of malignant tumor occur in the signoid colon and rectum. The rectum is affected malignancy of 57 percent.6. Accuracy of barium enema examination in diagnosis of cancer of the colon and rectum is 94 percent and that inbenign tumor is 28.5 percent. 7. The most frequent roentgenological finding of colonic malignancy forms 75 percentof encircling type. 8. The greater part of malignancy of the colon is adenocarcinoma(95%) and adenomatous polyphave a majority in benign tumor (85%)