"Radiographic features "
"non-contrast CT appearances of an intraparenchymal ependymoma is said to resemble a periwinkle flower, thus periwinkle sign 8."
"3L: Large Lobulated Lobar mass"
"supratentorial ependymoma, ZFTA fusion-positive"
"supratentorial ependymoma, ZFTA (RELA) fusion-positive"
"supratentorial ependymoma, ZFTA (RELA) fusion-positive"
"In the minority of cases when these two common molecular alterations are absent (17-30%), or testing is inconclusive or unavailable, then the term supratentorial ependymoma NEC or NOS should be used respectively 10."
"In the minority of cases when these two common molecular alterations are absent (17-30%), or testing is inconclusive or unavailable, then the term supratentorial ependymoma NEC or NOS should be used respectively 10."
"ZFTA fusion-positive tumours have a poor prognosis, whereas YAP1 fusion-positive tumours appear to have a substantially better prognosis, despite their often large size at diagnosis 10."
"T2* (e.g. SWI)"
"2P: Perilesional oedema and Periwinkle sign"
"2P: Perilesional oedema and Periwinkle sign"
"3L: Large Lobulated Lobar mass"
"3L: Large Lobulated Lobar mass"
"3L: Large Lobulated Lobar mass"
"4C: Central Chunky Calcification and large peripheral Cyst"
"4C: Central Chunky Calcification and large peripheral Cyst"
"4C: Central Chunky Calcification and large peripheral Cyst"
"4C: Central Chunky Calcification and large peripheral Cyst"
Expected headings
"Radiographic features "
"CT"
"MRI"
"Mnemonic"
"Supratentorial ependymomas usually present with headaches, seizures and focal neurological deficits compared to their infratentorial counterparts that mainly present with features of raised intracranial pressure."
"diffuse astroctyoma, oligodendroglioma and glioblastoma"
"T2* (e.g. SWI)"