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. 2014 Apr 16;8(1):123–126. doi: 10.3892/ol.2014.2077

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Copyright © 2014, 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 2: (A) EUS scanning results revealing a 27.8×16.4-mm, hypoechoic, ovoid, well-delimited lesion originating from the muscle layer of the distal esophagus. (B) Clusters of spindle cells intermingled with red blood cells are indicative of leiomyoma (hematoxylin and eosin staining; magnification, ×160). (C) These elements were reactive for SMA (immunoperoxidase and Mayer’s hemalum counterstain; magnification, ×120), (D) while no immunoreactivity was found with CD117 (immunoperoxidase and Mayer’s hemalum counterstain; magnification, ×160). EUS, endoscopic ultrasound; SMA, smooth muscle actin.