Case Report: Rare duodenal schwannoma diagnosis and treatment process report.

ABSTRACT:

Background

Duodenal schwannoma is a rare benign mesenchymal tumor originating from the Schwann cells of peripheral nerves. Its accurate diagnosis remains challenging owing to non-specific clinical and radiological features.

Case presentation

This report describes the clinical diagnosis and treatment of a duodenal schwannoma in a 30-year-old female patient. An initial outpatient gastroscopy revealed a submucosal lesion in the duodenum, with differential diagnoses including ectopic pancreas or gastrointestinal stromal tumor. Furthermore, plain and contrast-enhanced abdominal CT scans showed a nodule protruding into the duodenal bulb, suggesting a benign lesion. The patient underwent endoscopic submucosal dissection to remove the tumor. During the procedure, a 1.0 × 1.6 cm subm

SUBMITTER: Li S 

PROVIDER: S-EPMC11922719 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature