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. 2013 Apr 10;5(6):1862–1866. doi: 10.3892/ol.2013.1296

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Copyright © 2013, Spandidos Publications

This is an open-access article licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. The article may be redistributed, reproduced, and reused for non-commercial purposes, provided the original source is properly cited.

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Case 1. Coronal CT scan showing a hypodense mass with not homogeneous contrast enhancement developing from the small gastric curve and causing (A) a partial reduction of the gastric lumen. (B) Cytological smears exhibiting aggregates of spindle cell elements with elongated nuclei (haematoxylin-eosin, ×160); the same elements were intensely immunoreactive for (C) vimentin (immunoperoxidase, ×200) and (D) CD117 (immunoperoxidase, ×120), showing only a sporadic nuclear immunopositivity for (E) Ki67 (immunoperoxidase, ×200). (F). The surgical specimen revealed the gastric sub-mucosal localisation of the GIST. GIST, gastrointestinal stromal tumour; CT, computed tomography.