Gastrointestinal stromal tumor

Case contributed by Dr Nick Tarasov

Presentation

Belly asymmetry, nausea and periodic vomiting.

Patient Data

Age: 30 years
Gender: Male
MRI
  • There is a large solid mass up to 130mm located within omentum major on the right side, arising from the gastric pylorus and first portion of the duodenum.
  • Prominent diffusion restriction with low ADC values of peripheral parts of the lesion.
  • Areas of cystic degeneration are seen centrally.
  • Pancreas, duodenum and right kidney are displaced posteriorly.
  • There is no evidence of lymphadenopathy. 

Case Discussion

Morphology and origin of this lesion are most likely to be a GIST. The large size with cystic degeneration and low ADC values are predictors of poor prognosis. Unlike the majority cases of GIST, this one presents in a young adult patient.

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Case information

rID: 65894
Published: 16th Feb 2019
Last edited: 22nd Feb 2019
Inclusion in quiz mode: Included
Institution: USMU

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