Choroid plexus xanthogranulomas are uncommon lesions that occur almost exclusively in adults; most of them constitute incidental autopsy findings. A case of symptomatic bilateral xanthogranulomas of choroid plexus in a 6 year-old girl with progressive visual loss is reported. Theories on the pathogenesis of this entity are reviewed.
Intracranial chondromas are unusual tumours that commonly arise from the bones of the skull base. Extraosseous instances are extremely rare. The authors report the case of a 14-year-old boy with a cavitated (cystic) falcine chondroma originating in the falx cerebri.
Sudanophilic cavitating leukodystrophy is an unusual disorder of the cerebral white matter, clinically characterized by deafness, mental retardation, behavioural alterations and lesions of the descending long tracts. Neuropathological features include: extensive subcortical and deep central demyelination, conspicuous astrocytosis and macro and micro… (More)