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1 University of Pennsylvania, Medical Center, Department of Pathology, and Laboratory Medicine, 7th Floor, Founders Bldg., 3400 Spruce St., Philadelphia, PA 19104
2 University of Pennsylvania Medical Center, Department of Medicine, Cardiology Division, 6 Penn Tower, 3400 Spruce St., Philadelphia, PA 19104
3 University of Pittsburgh, Department of Pathology, and Laboratory Medicine, 200 Lothrop St., Pittsburgh, PA 15213
aAuthor for correspondence. Fax 215-615-0828; e-mail andrew.kao@uphs.upenn.edu.
| The first 20% of the full text of this article appears below. |
To the Editor:
CA-125 (cancer antigen or carbohydrate antigen) is a high-molecular weight glycoprotein most appropriately used for monitoring treatment response and recurrence of ovarian carcinoma, with concentrations >35 units/mL indicating residual tumor. Serum concentrations have also been shown to correlate with ovarian tumor mass. Increases, although usually not as marked, have been seen in other conditions such as lung cancer, gastrointestinal cancer, abdominal miliary tuberculosis, endometriosis, pelvic inflammatory disease, and during ovulation in 12% of healthy women. Therefore, this serum marker is not recommended as a screening test for ovarian carcinoma (1)(2)(3).
Recently, at the University of Pennsylvania Medical Center, CA-125 was inadvertently ordered on a male heart
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