PMC5771923_01
CT scan showing a well-defined, longitudinally oriented, nonenhancing lesion displacing the lumen of the esophagus.
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CT (computed tomography) scan of the neck, thorax, and abdomen revealed a well-defined, longitudinally oriented, nonenhancing lesion extending from the level of C7 to T9 (Fig. 1).
(A-C) Histology of inflammatory myofibroblastic tumor of esophagus. (A) H&E staining viewed under x 10 showing aggregate of spindle-shaped cells with inflammatory infiltrate. (B) H&E staining viewed under x 40 showing spindle-shaped cells with elongated mildly hyperchromatic nuclei and pale cytoplasm. (C) Immunohistochemical analysis showing Ki 67 proliferative index of 5%.
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Thus, the morphological and immunohistochemical features were in favor of esophageal IMT (Fig. 2).