Gastroenterology Education and CPD for trainees and specialists

1. A 46 year old man was found to have a subepithelial mass in the antrum at OGD. An endoscopic evaluation of the mass includes all the following except:

1. Assessment for intramural mass vs. extrinsic compression
2. Estimating the size
3. Mobility and consistency
4. Biopsies
5. Margins

2. A 60 year woman was found to have a subepithelial mass in the gastric body at OGD. All is true about endoscopic evaluation of the mass except:

1. If the mass has a pillow sign and is yellow in appearance, it is probably a lipoma and no further evaluation is necessary.
2. Subepithelial masses less than 1 cm in diameter are rarely of clinical significance and can be left alone.
3. All other lesions larger than 1 cms should be evaluated further by EUS
4. Subepithelial mass with a central umbilication suggests heterotopic pancreatic tissue
5. Endoscopist can accurately assess intramural mass from extrinsic compression

3. The following is true about gastric subepithelial masses except:

1. GIST is the most common cause
2. Lipomas are a rare cause
3. EUS is the investigation of choice
4. CT scan is required to distinguish intramural from extramural compression
5. EUS findings may be diagnostic without tissue sampling

Gastroenterology training and education

MCQ On Gastric subepithelial masses

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