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  • Title: [A case report of giant esophageal leiomyoma associated with an epiphrenic esophageal diverticulum].
    Author: Suzuki I, Oho K, Ariizumi K, Nakayama S, Tamura K, Serizawa H.
    Journal: Nihon Kyobu Geka Gakkai Zasshi; 1994 Jun; 42(6):931-5. PubMed ID: 8057027.
    Abstract:
    A well-nourished 33-year-old male, who was entirely asymptomatic and in apparently good health, was referred to our hospital because of abnormal findings on a routine chest X-ray film. A chest X-ray taken upon admission revealed an oval mass suggesting a mediastinal tumor in the posterior mediastinum. An esophagogram demonstrated severe distortion of the esophageal lumen and an epiphrenic diverticulum on the right side. Endoscopy disclosed a submucosal bulge covered by normal mucosa. The mass, which was located on the right diaphragm between the heart and right ribs, appeared to be of homogenous density on CT scan and MRI films. Infiltration of contiguous structures and enlargement of mediastinal lymph nodes appeared to be absent. The preoperative diagnosis was an esophageal leiomyoma. A right posterior thoracotomy was performed in the prone position under general anesthesia. The tumor (12 x 8 x 4.5 cm, 170 g) associated with an epiphrenic esophageal diverticulum was removed by a partial esophageal resection. The pathologic specimen showed a leiomyoma with normal esophageal mucosa and a true diverticulum containing all the layers of the esophageal wall. We suggest that the diverticulum resulted from retraction of the esophageal wall related to the extraluminal growth of the leiomyoma.
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