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RACS ASC 2024

The Rare Mimick of Gastric Schwannoma: Case Report and Literature Review

Poster

Poster

Disciplines

Upper GI Surgery

Presentation Description

Institution: Wellington Hospital - Wellington, Aotearoa New Zealand

Purpose: Submucosal gastric tumours are a relatively frequent finding in gastric surgery, with the most common being gastrointestinal stromal tumour (GIST). At our institution, a patient presented with a bleeding submucosal lesion in the gastric body consistent with GIST. Following resection this was found to be a schwannoma, which was unexpected. The authors decided to review the literature for additional cases or guidelines which may alter our practice in the management of gastric submucosal tumours. Methodology: A literature review was performed using the PubMed database. The term ‘gastric schwannoma’ was used to identify English language articles from the last ten years. Results: 106 studies were identified. Overall, gastric schwannoma is a rare, usually benign submucosal tumour commonly mistaken for GIST. However, it remains best treated by local surgical resection. Endoscopic resection has also been performed in some centres. It is important to consider this diagnosis and consider endoscopic ultrasound with fine needle aspiration biopsy if radiologic diagnosis is not certain, or where neoadjuvant therapy of GIST may be considered. Our patient has done well following laparoscopic resection, with clear margins and no complication at ninety days of follow-up.

Speakers

Authors

Authors

Dr Douglas Wood - , Dr Daniel Kleiner -