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  • Title: CT findings of leptomeningeal and periventricular dissemination of tumors. Report of four cases.
    Author: Ito U, Tomita H, Yamazaki S, Takada Y, Inaba Y.
    Journal: Clin Neurol Neurosurg; 1986; 88(2):115-20. PubMed ID: 3757382.
    Abstract:
    Four cases of leptomeningeal dissemination of tumors were reported especially focused on their CT findings. These findings consisted of hydrocephalus and contrast enhancement of the quadrigeminal cistern, basal cisterns, Sylvian fissures, cerebro-cerebellar cortical sulci and ventricular wall. Although autopsy of 3 cases revealed diffuse subarachnoid tumor growth in the brain and spinal cord, not all lesions were demonstrated by CT. Therefore, CT findings varied greatly depending on case and course of the disease. Definite diagnosis of this disease could be done by CSF cytology.
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