Fig. 6From: Extracranial metastasis of recurrent glioblastoma to the parotid gland: a case report and review of the literatureSubcutaneous soft tissue biopsy. A Tumor cells in liquid-based cytology cell block (H&E*100). B. GFAP positivity in tumor cells in liquid-based cytology cell block (IHC*400). C Subcutaneous soft tissue tru-cut biopsy: pleomorphic tumoral infiltration with hyperchromatic nuclei within the fibrous stroma (H&E*100). D. Subcutaneous soft tissue tru-cut biopsy: GFAP circulating positivity (IHC*400)Back to article page