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A 25-year-old female asked:

Can melanoma cause iron and vitamin d deficiency?

3 doctor answers4 doctors weighed in
Dr. William A Biermann
Medical Oncology 46 years experience
Not typically: Melanoma can spread to the stomach or bowel and cause blood loss and decreased iron. Vitamin d is not usually impaired by melanoma.
Dr. Aasim Sehbai
Hematology and Oncology 24 years experience
Melanoma : Most melanomas will not cause iron or vit d deficiency. However if melanoma has metastasized to small bowel leading to some obstruction symptoms and malabsorption it can happen. Some of the intense melanoma therapies such as il2 or interferon or ipilimumab or zelboraf can cause similar problems if causing significant side effects.
Dr. Travis Kidner
Surgical Oncology 17 years experience
Can cause Iron Def: If melanoma has traveled to the GI tract and has created tumor that is bleeding, it can lead to iron deficiency anemia. Melanoma does not cause vit d deficiency.

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Last updated Jan 16, 2020
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