PLAIN ABDOMINAL FILM ROENTGENOGRAPHIC DIAGNOSIS OF ULCERATIVE DISEASES OF THE COLON

Abstract
The plain film abdominal roentgenogram is important in the diagnosis of chronic, subacute, and acute ulcerative colitis even in the absence of the full blown picture of toxic megacolon. The recognition of colitis involving the entire colon justifies postponement of the barium enema examination to a relatively quiescent phase of the disease when an anatomically more accurate and less traumatic examination is possible. It is also occasionally possible to make the diagnosis of ulcerative colitis on the basis of a plain film roentgenogram when it is not suspected clinically. Obviously, the barium enema examination is still the most definitive method for the roentgen evaluation of the colon and is usually necessary to define the type and extent of the colitis as well as to identify various complications.

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