A Case of CA19-9 Producing Splenic Cyst

Youichi Fujita, Masaji Tani, Hiroshi Terasawa, Manabu Kawai, Shinomi Ina, Seiko Hirono, Kazuhisa Uchiyama and Hiroki Yamaue

Second Department of Surgery, Wakayama Medical University, School of Medicine

We report a rare case of splenic cyst with high serum CA19-9. A 49-year-old woman admitted for high serum CA19-9 of 149.5 U/ml, was found in computed tomography to have a splenic cyst (10 cm) with some calcification on the wall. Splenectomy was conducted, because of the a tumor's size, and potential malignancy. The cyst was found histologically to be epidermoidal, and immunohistchemical staining was positive for CA19-9 at in cyst fluid, 12,782.6 U/ml. After surgery, serum CA19-9 returned to normal range.

Key words
splenic cyst, epidermoid cyst, CA19-9

Reprint requests
Youichi Fujita Second Department of Surgery, Wakayama Medical University, School of Medicine
811-1 Kimiidera, Wakayama, 641-0012 JAPAN

Accepted
March 28, 2007

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