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Journal of Medical Ultrasonics

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1984 - Vol.11

Vol.11 No.03

Case Report(症例報告)

(0182 - 0185)


Ultrasonic Findings of Appendiceal Mucoceles

川本 博司1, 竜田 正晴1, 奥田 茂1, 北村 次男2

Hiroji KAWAMOTO1, Masaharu TATSUTA1, Shigeru OKUDA1, Tsugio KITAMURA2

1大阪府立成人病センター消化器内科, 2大阪府立成人病センター超音波研究室

1Department of Gastroenterology, The Center for Adult Diseases, 2Department of Ultrasound, The Center for Adult Diseases

キーワード : appendiceal ultrasonography, honeycomb-like cyst, appendiceal mucocele

Ultrasonic findings of 2 patients with mucocele of the appendix were reported.
The first case of a 70-year-old male complained of right lower abdominal mass. An ultrasonic scan demonstrated two continuous cystic lesions in the right lower abdomen. A smaller lesion in the cranial portion was observed as a "honeycomb"-like cyst, and other larger one in the caudal portion as an echo-free cyst. At operation, the appendix was dilatated, forming two continuous cysts. Smaller and larger cysts contained "jelly belly"-like and homogeneously gelatinous mucus, respectively. Histologically, the lesion was diagnosed as a mucinous cystadenoma. The second case of a 63-year-old female complained of right lower abdominal pain. An ultrasonic scan demonstrated an echo-free cyst in the right lower abdomen. At operation, the appendix was cystically dilatated and contained homogeneously gelatinous mucus. Histologically, this lesion was diagnosed as a simple mucocele due to the proximal obstruction.