Journal Article
Research Support, Non-U.S. Gov't
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Meckel's enteroliths: clinical, radiologic, and pathologic findings.

OBJECTIVE: The objective of this study was to determine the clinical, radiographic, and pathologic findings of Meckel's enteroliths, a rare complication of Meckel's diverticulum.

MATERIALS AND METHODS: Of 84 cases of Meckel's diverticulum, eight (10%) were found at surgery to contain enteroliths. Abdominal radiographs and barium studies of these eight patients were reviewed retrospectively. Medical and pathologic records were also reviewed.

RESULTS: At the time of diagnosis, the median age of the eight patients with Meckel's enteroliths was 45 years old. Six patients were male, and two were female. All eight patients were symptomatic, but symptoms were chronic in six patients (75%). Meckel's enteroliths were seen on abdominal radiographs in seven patients (88%). The stones had an average diameter of 3 cm (range, 1-5 cm). Five patients had multiple opaque stones, and two patient had solitary stones (total number of stones, 18). Sixteen of the enteroliths were revealed as peripheral calcified stones with radiolucent centers; two were revealed as laminated stones. One patient had a Meckel's stone ileus due to extrusion of an enterolith into the lumen that subsequently caused small-bowel obstruction. Histologically, all Meckel's diverticula with enteroliths contained intestinal mucosa lining without ectopic gastric mucosa.

CONCLUSION: Meckel's enteroliths are a rare complication of Meckel's diverticulum. Nevertheless, this entity should be included in the differential diagnosis of abdominal calcification when a peripheral calcified stone or, less commonly, a laminated stone is detected in the lower abdomen on radiographs of adults with chronic abdominal pain or gastrointestinal blood loss.

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