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DOI: 10.1055/s-0045-1805789
Duodenal Duplication with Associated Polypoid Lesions: Case Reports of Two Adult Patients
Authors
Aims Duodenal duplication is a rare congenital anomaly often diagnosed in childhood, butoccasionally identified in adults. This study reports two cases of adult patientswith duodenal duplications presenting with distinct polypoid lesions in theduodenum. Both cases highlight the role of endoscopic ultrasound (EUS) indiagnosing and characterizing duodenal duplications and associated lesions.
Methods Two patients, a 64-year-old female and a 57-year-old male, presented with uppergastrointestinal symptoms and were referred for endoscopic evaluation. EUS andupper gastrointestinal endoscopy were performed for detailed assessment.
Results Case 1: The 64-year-old female presented with hepatic metastases of unknown primary origin.Upper gastrointestinal endoscopy revealed a large polypoid lesion (25-30 mm) in the secondpart of the duodenum (DII) with lymphangiectasias and telangiectasias. EUS revealed ahyperechoic neuroendocrine tumor measuring 24 x 13 mm originating from the submucosallayer, along with a duodenal duplication measuring approximately 60 mm.
Case 2: The 57-year-old male presented with a large obstructing polyp in DII,along with symptoms of gastroesophageal reflux. Endoscopy showed a polypoidlesion causing partial duodenal obstruction, accompanied by a sliding hiatal herniaand Schatzki ring. EUS revealed a duodenal duplication measuring 28 x 23 mmadjacent to the lesion.
Both cases confirmed the presence of duodenal duplications with associatedpolypoid formations. EUS allowed for a clear differentiation of submucosal layersand assessment of surrounding structures, which was essential for management.
Conclusions These cases underscore the importance of EUS in evaluating submucosal lesionsand detecting rare anomalies like duodenal duplications in adults. Comprehensiveimaging is crucial for accurate diagnosis and management, particularly in atypicalpresentations such as neuroendocrine tumors or obstructive polyps in the contextof duplication.
Publication History
Article published online:
27 March 2025
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