A case of early esophageal carcinoma in diverticulum.

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  • 食道憩室内の早期癌の１例

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Abstract

Carcinoma of esophageal diverticular orgin has rarely been reported. Recently, we experienced a case of early esophageal carcinoma originating in the middle esophageal diverticulum. This is the 16th case of intraesophagodiverticular carcinoma so far reported in our country. The patient is a 68-year-oldman, who was hospitalized in our department for persistent retrosternla pain. Esophagography revealed a recess about 2 cm in diameter having a ledge-like protuberance, near the posterior wall of a diverticulum of 1.5 cm in diameter situated in the right wall of the middle thoracic esophagus, about 4 cm anally from the bifurcatio tracheae. Endoscopy also revealed an irregular recess-type lesion in the adoral posterior wall of a diverticulum located in the right esophageal wall about 28 cm from incisor, leading to the diagnosis of superficial recess-type esophageal carcinoma. Subtotal esophagectomy was performed after preoperative irradiation. The pathological diagnosis was early, poorly differentiated squamous cell carcinoma, sm, n (-), Mo, plo, stage O. Histological examination suggested that the carcinoma had proliferated in the propria mucosa, muscularis mucosa and submucosa so as to surround the diverticulum thus, to have originated from inside the esophageal diverticulum.

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