Three cases of midbrain gliomas are descrbied clinically and pathologically. In each case high pressure symptoms were followed by visual disturbance and the onset of syringomyelia symptoms before death. All the patients had hydrocephalus. In one case with concomitant syringobulbia, the syrinx appeared to due to CSF communicating with the cord cavity through the tissues of the brain stem. In the...

Fibrous dysplasia (FD) is a relatively uncommon disorder that affects primarily the cranial region; its occurrence in the cranial base in combination with hindbrain herniation and aneurysmal bone cyst (ABC) constitutes an extremely rare condition. We report a case of polyostotic fibrous dysplasia with progressive occipital, temporal, and clival involvement. Clinical findings and differential di...

FROM the time of their discovery in 1898 1 up to 1936, Rosenthal fibres have been reported in only five certain cases.1 2 3 4 5 They are elongated, microscopic bodies, found near syringomyelic cavities. They stain deeply with iron and chrome haematoxylin lakes. In all cases they have occurred in connexion with syringomyelia or syringobulbia and intramedullary tumour of the spinal cord or medull...