Gastrointestinal stromal tumour

Case contributed by Dr Abdallah Khateeb

Presentation

Long standing abdominal discomfort. On examination he was found to have a large abdominal mass.

Patient Data

Age: 55-60 years old
Gender: Male

CT abdomen

Modality: CT

A large complex, mainly cystic soft tissue mass is arising from the posterior and inferior aspect of the stomach, with thick enhancing internal septations. No calcifications. There is no significant concomitant mesenteric stranding. There are a few small regional mesenteric lymph nodes.

Case Discussion

HISTOPATHOLOGY REPORT

GROSS DESCRIPTION:
- The specimen consists of a partial gastrectomy measuring 15 x 101 x 7 cm. Attached to the wall of the stomach is a large cystically dilated mass measuring 21 x 16 x 12 cm. Opening of the mass shows a tumor arising from the wall with cystic component filled by blood.

SPECIAL STUDIES:
- The tumor cells are positive for C-kit and CD34, negative for CK, desmin and S-100.

DIAGNOSIS:
- Epitheloid gastrointestinal stromal tumor.

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Case Information

rID: 43402
Case created: 8th Mar 2016
Last edited: 27th Sep 2016
Tags: stomach, gist
Inclusion in quiz mode: Included

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