Introduction: Jejunal diverticulosis has not gained significant attention because of its rarity and typically asymptomatic course as well as the relative diagnostic inaccessibility of the jejunum. This report presents a rare case of jejunal diverticulosis complicated with chronic interstitial and mesenteric adhesions, chronic mesenteric volvulus, and decompensated small-bowel obstruction.
Presentation of case: An 84-year-old man was admitted to the emergency room with a 24-h history of acute colicky abdominal pain. He denied other signs or symptoms. The preoperative diagnosis based on physical and radiologic evaluations was challenging, and only diagnostic laparoscopy revealed extensive small-bowel diverticulosis. Midline laparotomy was performed as definitive surgery, revealing diverticulosis in the proximal 2-m section of the jejunum, starting approximately 20 cm from Treitz's ligament; the affected section was resected. The postoperative recovery was excellent. The histopathologic report confirmed substantial jejunal diverticulosis with chronic fibrosis, adhesions, and strictures.
Discussion: Histopathologic evaluation is necessary because tumors can be misdiagnosed as diverticula. This case report should serve as a reminder for surgeons to be cognizant of the signs of uncommon conditions, such as jejunal diverticulosis.
Conclusion: Albeit rare, jejunal diverticulosis should be considered in the differential diagnosis of acute abdomen.
Keywords: Case report; Diagnostic laparoscopy; Diverticulosis; Jejunum; Obstruction, mesenteric volvulus.
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