• Is there a blood test for melanoma?

    Asked by Sunnysideup on Monday, April 8, 2013

    Is there a blood test for melanoma?

    I have a friend who had hodgkins disease and they do blood work to follow them.

    1 Answer from the Community

    • Becky@UMich's Avatar
      Becky@UMich RN, BS, OCN, Cancer AnswerLine Nurse

      Blood tests aren't used to diagnose melanoma, but some blood tests may be done before or during treatment. Doctors often test for blood levels of a substance called lactate dehydrogenase (LDH) before treatment.The protein LDH is in body tissues (heart, liver, kidney, muscles, brain, blood cells, and lungs). If melanoma has spread, a higher than normal level of LDH is a sign that the cancer may be difficult to treat.
      Other tests of blood cell counts and blood chemistry levels may be done in a person who has melanoma to monitor the function of the bone marrow, liver, and kidneys during treatment.
      People with lymphoma may also have LDH checked, along with a complete blood count (CBC) to measure the red blood cells, the white blood cells, and platelets. In patients already known to have lymphoma, low blood counts can mean that the lymphoma is growing in the bone marrow and affecting new blood cell formation. LDH levels are often increased in patients with lymphomas.
      Learn more:
      Becky RN OCN

      over 4 years ago

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