Computed tomographic findings in penetrating peptic ulcer.

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Abstract
Four cases [human] of peptic ulcer penetrating the head of the pancreas were diagnosed by computed tomography (CT). Findings common to 3 case included an ulcer crater; a sinus tract; and enlargement of the head of the pancreas. Additional findings, not seen in all patients, included edema involving the base of the ulcer and/or the adjacent bowel wall; and loss of fascial planes between the base of the ulcer and the head of the pancreas. Unlike other modalities, the inherent spatial resolution of CT allows a confident diagnosis of this important complication of peptic ulcer disease.

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