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Phytobezoar in Meckel's diverticulum: A rare cause of small bowel obstruction
Roberto Bini1, Fabrizio Quiriconi, Aurelio Tello
1Dept of General and Emergency Surgery, Ospedale SG Bosco, Piazza Donator di Sangue 3, Torino 10159, Italy.
Introduction:
Meckel's diverticulum (MD) is the prevailing anomaly of the gastrointestinal tract, found in about 2% of the population; it rarely gives rise to symptoms and its discovery is usually accidental. Phytobezoar is a concretion of poorly digested fruit and vegetable fibres that is found in the alimentary tract and rarely can be the cause of small intestinal obstruction. Herein we report a rare case of intestinal obstruction due to phytobezoar formation into a MD.
Presentation Of Case:
A 50 year-old patient, was admitted to author's institution with an history of abdominal pain, nausea and multiples episodes of vomiting. Plain X-ray showed dilated small-bowel loops. Computed tomography (CT) revealed jejunal loops with air-fluid levels. The patient underwent explorative laparotomy where we found a giant Meckel's diverticulum, filled by a phytobezoar that caused small bowel compression. We performed a segmental ileal, resection, containing the MD. The histological exam confirmed Meckel's diverticulum.
Discussion:
Bowel obstruction due to a phytobezoar in a Meckel's diverticulum is rare: only 7 cases have been reported in literature. MD complications are rare and phytobezoar is one of them with only few cases described in literature.
Conclusion:
The conventional x rays studies were inconclusive whereas abdominal contrast enhanced CT led to a definitive diagnosis. Explorative laparotomy or laparoscopy is mandatory in these cases.
Insights
A rare case of intestinal obstruction caused by a phytobezoar within a Meckel
Area of Science:
- Gastroenterology and General Surgery
- Surgical Pathology
Background:
- Meckel's diverticulum (MD) is a common congenital anomaly of the gastrointestinal tract, typically asymptomatic.
- Phytobezoars, concretions of undigested plant fibers, can cause gastrointestinal obstruction.
- Intestinal obstruction from a phytobezoar within an MD is an exceptionally rare occurrence.
Purpose of the Study:
- To report a rare case of small intestinal obstruction.
- To highlight the diagnostic and management challenges of phytobezoar formation in Meckel's diverticulum.
Main Methods:
- A 50-year-old patient presented with symptoms of small bowel obstruction.
- Diagnostic imaging included plain X-rays and contrast-enhanced computed tomography (CT).
- Surgical intervention via explorative laparotomy was performed, followed by segmental ileal resection.
Main Results:
- CT scan revealed jejunal loops with air-fluid levels, suggestive of obstruction.
- Explorative laparotomy identified a large phytobezoar within a Meckel's diverticulum causing compression.
- Histological examination confirmed the presence of Meckel's diverticulum.
Conclusions:
- Phytobezoar formation within a Meckel's diverticulum leading to bowel obstruction is exceedingly rare, with only a handful of cases documented.
- While conventional X-rays were inconclusive, contrast-enhanced CT proved definitive in diagnosis.
- Exploratory laparotomy or laparoscopy is essential for managing such rare complications.
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