This week's artwork was donated by Jaclyn, a pediatric cancer patient who received treatment at The Children's Hospital of Philadelphia . The classification of brain tumors is based on both histopathologic characteristics and location in the brain. The majority of the remainder will be diffuse or fibrillary astrocytomas.
Malignant gliomas are rare.
These generally low-grade, often cystic astrocytic tumors are localized to the cerebellum. Except for malignant gliomas, contiguous spread or metastasis outside that region is extremely rare. Expert neuropathologic review is important. Kleihues P, Cavenee WK, eds. Pathology and Genetics of Tumours of the Nervous System.