Highly Elevated Level of Serum CA125 Produced by a Large Uterine Leiomyoma in a 20-Year-Old Woman

Ai Miyoshi, Takashi Miyatake, Shinnosuke Komiya, Mayuko Mimura, Masaaki Nagamatsu, Takeshi Yokoi


A 20-year-old woman presented with a pelvic tumor that caused abdominal protuberance. Transvaginal ultrasonography revealed a 15 cm mass developed from her uterus. Her cancer antigen 125 (CA125) serum level at presentation was 1,570.9 U/mL and lactate dehydrogenase (LDH) level was 377 U/L. The suspicion was of a malignant neoplasm, so we undertook a myomectomy. The pathologic diagnosis was a leiomyoma of the uterus. Both the CA125 and LDH serum levels dropped unusually rapidly to normal after the operation. Immunohistochemical staining for CA125 indicated that the leiomyoma was the source of the high level of serum CA125.

J Clin Gynecol Obstet. 2015;4(3):275-278
doi: http://dx.doi.org/10.14740/jcgo344w


CA125; Uterine leiomyoma; Menstrual

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Journal of Clinical Gynecology & Obstetrics, quarterly, ISSN 1927-1271 (print), 1927-128X (online), published by Elmer Press Inc.                     
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