Figure 5From: Usefulness of Choline-PET for the detection of residual hemangiopericytoma in the skull base: comparison with FDG-PET Pathologic finding: a: This tumor was composed of round or spindle-shaped cells, including dilated staghorn-shaped vessels (H-E × 200). b: Immunohistochemical staining of Vimentin showed positive expression in cancer cells. c: Expressions of CD34(+) in cancer cells were positive on immunostaning.Back to article page