Fig. 1From: Polyglobulia in patients with hemangioblastomas is related to tumor size but not to serum erythropoietinExamples of hemangioblastomas and measurement of solid tumor size in MRI; MRI scans with example of (a) solid tumor and (b) associated tumor cyst. Example of measurement of solid tumor size in contrast-enhanced MRI (c) axial, (d) coronar and (e) sagittal. Values a, b, c were multiplied and divided by 2 to receive tumor size volume in cm3Back to article page