A Case of Benign Lymphoid Hyperplasia of the Mucosa-associated Lymphoid Tissue Presenting as a Submucosal Tumor of the Esophagus

Yasuhiro Nakamura, Michio Maeta, Nobuaki Kaibara

The First Department of Surgery, Tottori University School of Medicine

A rare case of benign submucosal tumor of the esophagus is reported. A 57-year-old man was admitted to our clinic complaining of a superficial protruding tumor of the upper thoracic esophagus. On the basis of the results of barium X-ray, endoscopy and CT-scanning, the lesion was diagnosed as a benign submucosal tumor. The tumor was extirpated through the cervical route without thoracotomy. Macroscopic examination of the resected specimen revealed an elastic hard tumor without a capsule, measuring 2.8×1.5×1.5 cm. Histopathological findings showed that the tumor was a very rare submucosal tumor of the esophagus arising from the mucosa-associated lymphoid tissue.

Key words
submucosal tumor of the esophagus, mucosa-associated lymphoid tissue, benign lymphoid hyperplasia

Reprint requests
Yasuhiro Nakamura The First Department of Surgery, Tottori University School of Medicine
36-1 Nishimachi, Yonago, 683 JAPAN

Accepted
July 6, 1992

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