Esophageal leiomyosarcoma

Last revised by Yuranga Weerakkody on 21 Aug 2018

Esophageal leiomyosarcoma is a rare malignant tumor of the esophagus of smooth muscle origin. 

Esophageal leiomyosarcoma is a rare disease. Since first described in 1905, there have been over 164 cases described in the literature.

Possible findings on contrast swallow examination include: 

  • large intramural mass
  • an exophytic component may be present
  • mass effect on the trachea or other adjacent thoracic structures

CT findings will generally correlate with the fluoroscopic appearances. These sarcomas may be seen as a large exophytic mass exerting mass effect.

  • T1: typically isointense compared to skeletal muscle 1
  • T2: typically hyperintense compared to skeletal muscle

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