A Clinicopathological Study of Adenoma and Stage I Carcinoma of the Gallbladder

Koichi Motojima, Takashi Azuma, Shigeki Tokunaga, Hikaru Fujioka, Shungo Nakago, Masazumi Terada, Toshiaki Shiogama, Shigetoshi Matsuo, Norihiro Kohra, Tsukasa Tsunoda, Ryoichi Tsuchiya

Second Deartment of Surgery, Nagasaki University School of Medicine

A clinicopathological study of adenoma and stage I carcinoma of the gallbladder, including a study of imaging diagnosis by ultrasonography (US) and computed tomography (CT), was performed to emphasize the characteristics of stage I carcinoma of the gallbladder. Differention of the US pattern between adenoma and stage I carcinoma of the gallbladder was difficult. The size of stage I carcinoma ranged from 6 mm to 50 mm. There were no death from recurrence of the protruded type of stage I carcinoma. The outcome of the protruded type of stage I carcinoma including tumors 30∼50 mm in maximum diameter was better than that of the nonprotruded type. The nonprotruded type which was composed of tubular adenocarcinoma, it was difficult to make a preoperative diagnosis of carcinoma of the gallbladder. The difficulity could lead to a poor prognosis of the non-protruded type of stage I carcinoma.

Key words
stage I carcinoma of gallblader, imaging diagnosis of gallbladder tumor, depth of carcinoma of gallblader, adenoma of gall bladder

Reprint requests
Koichi Motojima Second Department of Surgery, Nagasaki University School of Medicine
7-1 Sakamoto-machi, Nagasaki, 852 JAPAN

Accepted
July 10, 1990

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