What are malignant and neoplastic causes of fever of unknown origin (FUO)?

Updated: May 17, 2021
  • Author: Sandra G Gompf, MD, FACP, FIDSA; Chief Editor: Michael Stuart Bronze, MD  more...
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Malignant and neoplastic causes of FUO are as follows:

  • Most common: Lymphoma, renal cell carcinoma
  • Less common: Myeloproliferative disorder, acute myelogenous leukemia
  • Least common: Multiple myeloma, breast/liver/pancreatic/colon cancer, atrial myxoma, metastases to brain/liver, malignant histiocytosis

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