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KMID : 0931320190190040282
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대한상부위장관.헬리코박터학회지
2019 Volume.19 No. 4 p.282 ~ p.286
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Gastric Schwannoma Mimicking Advanced Gastric Cancer
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Rou Woo-Sun
Kim Ju-Seok
Kang Sun-Hyung
Moon Hee-Seok
Sung Jae-Kyu
Jeong Hyun-Yong
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Abstract
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Gastric schwannoma, a rare mesenchymal tumor originating from the schwann cells of peripheral nerves, rarely occurs in the gastrointestinal tract. It accounts for only 0.2% of all gastric tumors and 2~6% of gastric mesenchymal tumors. Gastric schwannoma is observed as a subepithelial tumor on endoscopy; it is covered with normal mucosa, rendering its preoperative differential diagnosis difficult. An asymptomatic 43-year-old woman visited our hospital after a 7-cm ulcerofungating mass was detected in the lesser curvature of the gastric body on gastroscopy. Abdominal CT revealed multiple enlarged lymph nodes, and 18F-fluorodeoxyglucose (FDG) PET demonstrated a subtle uptake of FDG, suggestive of advanced gastric cancer. After three failed attempts of endoscopic biopsy, the patient underwent total gastrectomy with lymphadenectomy and was subsequently diagnosed with gastric schwannoma. Herein, we report this case with a literature review.
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KEYWORD
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Neurilemmoma, Schwannoma, Stomach neoplasms
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