PMC5080746_01
Upper endoscopy showing a gastric submucosal mass in the antrum.
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During her evaluation, a gastric mass was incidentally found on upper GI endoscopy (Fig. 1) which showed a submucosal exophytic mass in the gastric antrum with normal overlying gastric mucosa.
Endoscopic ultrasound showing a hypo echogenic lesion at the gastric antrum. Features suggestive of GIST.
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A subsequent endoscopic ultrasound showed an exophytic mass measuring 1.6 x 1.3 cm arising from the gastric antrum showing low echogenicity (Fig. 2), EUS-guided fine needle aspiration (FNA) was performed.
A. A 2 x 2 cm gastric tumor seen after dissection of gastrocolic ligament in posterior surface of gastric antrum. B. resection of gastric tumor with harmonic scalpel.
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We isolated the mass from the stomach and suspended it with laparoscopic intestinal non traumatic graspers (Fig. 3).
A. Gastric submucosal tumor confinement without atypia, pleomorphism or apparent mitotic activity. Black arrow showing gastric epithelium, asterisk points out submucosal, white arrow shows submucosal gastric schwannoma B. Characteristic spindle cell arrangement with nuclear palisading seen in schwannomas.
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The final pathologic study revealed a neoplastic mass comprised of spindle cells of varying cellularity with a submucosal nature (Fig. 4).