Fig. 4From: Case report: successful resection of a leiomyoma causing pseudoachalasia at the esophagogastric junction by tunnel endoscopyHistological evaluation reveals the typical morphology of leiomyoma. Histopathological changes of the tissues determined by H&E staining (a), Expression of SMA (b), Desmin (c), CD34 (d), CD117 (e), and Dog-1 (f) as assessed by immunohistochemistry. Magnification × 200. Also note the apparently complete resection achievedBack to article page