Extra-CNS metastasis of glioblastoma multiforme to cervical lymph nodes and parotid gland: A case report.

Extra CNS metastasis of glioblastoma multiforme is extremely rare. We report a case of a 53-year-old Caucasian male who, after undergoing surgical resection and nine months adjuvant therapy, had a recurrence of the cancer with an infiltration expanding outside the cranium to the left maxilla, mandible and parotid gland.