Canadian Association of Pathologists - Case of the Month, November 2006
65 year-old man with upper abdominal pain.

Contributed by Maha Guindi, MD, FRCPC and Suzanne Kamel-Reid, PhD, FACMG; University Health Network, Toronto, Ontario (maha.guindi@uhn.on.ca and Suzanne.Kamel-Reid@uhn.on.ca).
Virtual microscopy cases hosted by Objective Pathology Services, Toronto, Ontario.

A 65 year-old man presented with upper abdominal pain for two months. A CT scan of the abdomen showed a mass arising in the anterior aspect of the body of the stomach. Following an endoscopic biopsy, the patient underwent curative resection.

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Initial specimen:

H&E of gastric mass

Select below any additional stains you would order:

Smooth muscle actin
Desmin
S-100
Neuron-specific enolase
CD117

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Diagnosis

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