Research and Reports in Gastroenterology

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Khamaysi I Author

k_iyad@rambam.health.gov.il

Subjects of specialization
Gastric Schwannoma, Digestive tract, EUS-FNB.

Affiliation
Invasive Endoscopy unit, Department of Gastroenterology and Hepatology, Rambam Health care Campus, Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Israel

Biography

Dr.Khamaysi I was trained as molecular biologist and obtained his PhD in 1986 at the University of Leiden. He is currently Head of the Laboratory of Experimental Virology and Professor of Virology at the Academic Medical Center (AMC) of the University of Amsterdam.

Publications

Clinical Image Open Access

Gastric Schwannoma: A Rare Case with Preoperative Diagnosis by EUS-FNB

Author(s):

Khamaysi I and Malkin L

Schwannomas are benign neurogenic tumors. Gastric schwannomas is the most common digestive tract. It account only for 0.2% of all gastric tumors and principally involve the submucosa and muscularis propria [1]. The preoperative differentiation between gastric schwannomas and gastrointestinal submucosal tumors Figure 1: EUS images (A, B) and pathologic findings (C-H) of EUS-FNB. The tissue was composed of broad bundles of elongated cells (C, H&E stain). In immunohistochemistry (D-H), the tumor strongly stains for S-100 (G) and moderately positive for SOX-10(H). Staining for CD-117(D), DOG-1(E) and smooth muscle desmin (F) are negative. (GISTs) can be difficult. None of the imaging studies have shown any distinct features unique to these neoplasms [2]. Fin... view more»

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