Fig. 2From: Transcriptional profiles of pilocytic astrocytoma are related to their three different locations, but not to radiological tumor featuresRadiological type of pilocytic astrocytoma. a cystic tumor with an enhancing cyst wall, R1. b cystic tumor with a non-enhancing cyst wall, R2. c solid tumor with central necrosis, R3. d solid or mainly solid tumor, R4. MRI scans after contrast administrationBack to article page