"Following is a list of primary and secondary causes of erythrocytosis.Secondary aetiologies are much more common 1:"
"Primary "
"post-renal transplant erythrocytosis"
"erythropoietin receptor (EPOR) mutations"
"genetic (LNK) mutations"
Expected headings
"Primary "
"Congenital"
"Acquired"
"Secondary"
"Congenital"
"Acquired"
"increased radiographic attenuation of cerebral arteries, veins and dural sinuses (may mimic cerebral vein thrombosis) on non-contrast CT head 4,5"