Multiple diaphragm-like strictures can occur in NSAID injury and are pathognomonic except in the rare patient with ulcerative enteritis complicating celiac disease. Single or few diaphragm-like strictures can occur in NSAID injury and peptic ulceration. ASA should be considered an NSAID with regard to small-bowel toxicity. A careful medication history is required when an unexplained small bowel abnormality is seen radiologically, and a dedicated small bowel examination is required when NSAID injury is suspected.
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