Giant Mesenteric Cyst: Diagnostic Challenges and Surgical Management in a Clinical Case

Mesenteric cysts are rare intra-abdominal cystic lesions of uncertain etiology, often diagnosed incidentally due to their variable and nonspecific clinical presentation. We present the case of a 36-year-old male patient with chronic abdominal pain and distension, in whom computed tomography (CT) revealed a giant mesenteric cyst. Complete surgical resection was performed via laparotomy, and histopathological examination confirmed its benign nature. The patient had a favorable postoperative course without complications. Diagnosis of these lesions requires a high index of suspicion and imaging support, while complete excision remains the treatment of choice to prevent recurrence. Despite their rarity, mesenteric cysts should be considered in the differential diagnosis of abdominal masses, with timely multidisciplinary management essential to optimize clinical outcomes.