Recurrent Enterolithiasis Small Bowel Obstruction: A Case Seldom Described

Background. Enterolithiasis of the small bowel is a rare phenomenon in humans although it has been frequently described in equines. Primary enteroliths have been described including those occurring secondary to conditions like Crohn’s disease, small bowel diverticula, tuberculous or postoperative strictures, and blind loops but those occurring in an otherwise normal gut are exceedingly rare. Of even greater rarity is a recurrent small bowel enterolith presenting with obstruction. This may be the first report of such kind. Case Presentation. A 70-year-old man undergoing treatment for stable alcoholic liver disease presented to the emergency with gradually progressive diffuse abdominal pain associated with vomiting and constipation for 7 days. He had gaseous abdominal distention but was not obstipated. He had a history of 2 laparotomies in the past for small bowel obstruction secondary to enterolith impaction. He was initially managed conservatively but since there was no significant clinical improvement, he underwent an exploratory laparotomy. A recurrent enterolith 5 × 5 cm in size was found impacted in the mid ileum with multiple dense serosal adhesions and bands. Adhesiolysis and enterotomy with removal of enterolith were performed. Conclusion. Recurrent enterolithiasis of the small bowel is a rare phenomenon and may present with recurrent obstruction. Definitive preoperative diagnosis is not always possible and a high index of suspicion is required to avoid table misdiagnosis. Surgery is the mainstay of treatment once conservative measures fail. Laparoscopic methods may help in diagnosis and avoid possibility of a subsequent adhesive bowel obstruction but are associated with technical challenges.

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