Retinoblastoma视网膜母细胞瘤（英文）

Key facts Definition of retinoblastoma (RB):Malignant primary neoplasm of the retina.Classic imaging appearance:CT shows an intraocular enhancing retinal mass with calcification often with retinal detachment.Most common intraocular tumor of childhood.Presents with leukocoria.Unilateral much more than bilateral (autosomal dominant).

胚胎发育不良性神经上皮瘤（英文）

Key Facts Synonyms:Dysembryoplastic neuroepithelial tumor(DNET),formerly mixed glioma.Definition:Benign,focal,intracortical mass superimposed on background of cortical dysplasia.Classic imaging appearance:Wedge-shaped"bubbly"cortical mass

Tuberous Sclerosis结节性硬化（英文）

Key FactsSynonyms:Tuberous sclerosis(TSC);Bourneville-Pringle syndrome Definition:Inherited tumor disorder with multi-organ hamartomas.Classic imaging appearance:Calcified subependymal nodules.Spectrum of CNS hamartomas,all contain giant balloon cells.Mutations in TSC tumor suppressor genes cause abnormal cellular differentiation and proliferation.