Polycythemia vera is a bone marrow disease that brings about an abnormal increase in the number of blood cells in the body. This condition is characterized by excess production of red blood cells, however, white blood cells and platelets are also formed in excess in some cases. These additional cells thicken the blood and can cause complications such as blood clotting or bleeding. A gene defect called JAK2V617F is linked to the disease. The common symptoms include dizziness, excessive bleeding, itchiness, headache, breathing difficulties.
HOW IS POLYMICROGYRIA DIAGNOSED?
This condition is not usually found in people aged under 40.