from oncologic point of view , they are 1 ) intracranial space-occupying lesions , especially malignant tumors , 2 ) leptomeningeal tumors , 3 ) hemorrhage in the brain tumors , 4 ) intracranial hemorrhage due to hemorrhagic diathesis related to the malignant tumors , and 5 ) cerebral thrombosis or embolism due to increased blood coagulability secondary to malignancy .
C0006826
malignant tumors
C0027651
tumors