Multiple choice

A CA 125 test may be used to monitor certain cancers during and after treatment. CA 125 is

  1. a tumor specific transplantation antigen

  2. a mucin-type glycoprotein

  3. a ganglioside

  4. useful for ovarian cancer screening in the general patient population

  5. an antigen which is frequently expressed by mucinous ovarian carcinomas
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

CA 125 is a mucin-type glycoprotein which is usually not expresses by mucinous tumors. The antigen (CA 25) is expressed by fetal amniotic and coelomic epithelium.

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