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Q. Are cerebral hemorrhages cancerous?

Answered by
Dr. Vivek Chail
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on Jun 27, 2016 and last reviewed on: May 14, 2020

Hi doctor,

I have been having neuro issues such as seizures, headaches, etc., for the past 2.5 years. I was tested for paraneoplastic syndrome and came up as reactive on immunofluorescence, but negative ultimately on western blot. Still, a PET scan was done and it was clear. I have had several brain MRIs over the past 2.5 years. All have noted cerebral microhemorrhages. These are unexplained. I understand that they have not changed in size or character over the years, but one or two more have appeared. I understand in the differential diagnosis for these bleeds is hemorrhagic metastatic melanoma. No doctor has been suggested it. What is the possibility that these are actually melanomas? My doctor said unlikely because it has been 2.5 years and the actual hemorrhages remain unchanged.How can a radiologist be sure that these are not cancerous? The first scan done before two and a half years was with contrast and the remaining were without contrast. I am just concerned about these unexplained hemorrhages in light of my neuro symptoms. I wonder if I have brain metastasis without cancer anywhere else in my body. Please explain.

Dr. Vivek Chail

Radiodiagnosis Radiology


Welcome to

  • In cancer, the size of the lesion usually doubles in 30 to 180 days. Therefore, if the lesions do not show any increase in size during the past six months, then it is less unlikely to be a cancer.
  • You can upload one of your CD for me to see in detail.
  • Microhemorrhages are tiny and will not increase in size. It can increase by a few in some years.

Revert back with the scan report to a radiologist online -->

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