甲状腺腫大が誤診を招来した食道癌症例

抄録

On esophagoscopy, just below the mouth of the esophagus a smooth tumor which appeared to be ovoid in shape and hard in consistency. A few small fragments af tissue were removed for microscpic examination. The specimen showed thyroid tissue.
Acute symptoms of esophageae perforation followed immediately after the biopsy.
The acute symptoms were abated One later. Cancer was subsequently discovered just below the thyroid swelling by esophago tomy.
The esophagus-cancer was coscealed by thyroid swelling. It was impossidle to discover it with esophagoscopy.