title: A rare case of multicystic disseminated astrocytoma with pilomyxoid characteristics in a 4-year-old child.
abstract: Pilomyxoid astrocytomas are a more aggressive variant of pilocytic astrocytoma. Over the last 14 years, there has been increasing evidence to suggest that these tumours are distinct pathological entities to pilocytic astrocytomas. Radiological features of these tumours are slowly emerging in the neuroradiological literature. We report a unique radiological appearance of a multicystic, disseminated astrocytoma with pilomyxoid characteristics presenting in a 4-year-old boy and highlight the importance of considering this diagnosis with similar imaging.
authors.affiliation: Department of Paediatric Neurosurgery, University Hospital of Wales, Cardiff, UK, sanjayamarasinghe83@hotmail.co.uk.
authors.forename: S G
authors.initials: SG
authors.lastname: Amarasinghe
authors.forename: H
authors.initials: H
authors.lastname: Ben-Ali
authors.forename: T S
authors.initials: TS
authors.lastname: Jacques
authors.forename: R H
authors.initials: RH
authors.lastname: Hatfield
authors.forename: P A
authors.initials: PA
authors.lastname: Leach
mesh_terms: D015703:Antigens, CD / Q000378:metabolism; D015214:Antigens, Differentiation, Myelomonocytic / Q000378:metabolism; D001254:Astrocytoma / Q000150:complications / Q000175:diagnosis*; D002675:Child, Preschool; D006801:Humans; D006849:Hydrocephalus / Q000209:etiology; D007029:Hypothalamic Neoplasms / Q000150:complications / Q000175:diagnosis*; D019394:Ki-67 Antigen / Q000378:metabolism; D008279:Magnetic Resonance Imaging; D008297:Male; D009419:Nerve Tissue Proteins; D013116:Spinal Cord / Q000473:pathology; D020542:Third Ventricle / Q000473:pathology; D014057:Tomography, X-Ray Computed; D016159:Tumor Suppressor Protein p53 / Q000378:metabolism; D000097382:CD68 Molecule
chemical_list: D015703:Antigens, CD; D015214:Antigens, Differentiation, Myelomonocytic; D019394:Ki-67 Antigen; D009419:Nerve Tissue Proteins; D016159:Tumor Suppressor Protein p53; C067980:CD68 antigen, human; D000097382:CD68 Molecule