[Clinical evaluation of endoscopic ultrasonography (EUS) in the diagnosis of superficial esophageal carcinoma].

  • 1 March 1995
    • journal article
    • clinical trial
    • Vol. 43  (3) , 221-6
Abstract
Pre-operative diagnosis of the depth of invasion is important to decide the treatment of superficial esophageal carcinoma. The ability of EUS to diagnose the depth of invasion was examined in 40 lesions with superficial esophageal carcinoma between January 1993 and April 1994. The depth of invasion was classified as m1 or m2, m3 or sm1, and sm2 or more. Mucosal carcinoma could be detected clearly by using the 20MHz miniature probe. The diagnostic accuracy was 82.5% in all 40 lesions, and 77.8% in mucosal carcinoma (included with sm1). The reasons for incorrect diagnosis were broadness of the lesion, microinvasion, and artifact of endoscopic biopsy. EUS is considered to be useful even for superficial esophageal carcinoma as one of the preoperative diagnostic imagings.

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