41. He suffered two intracranial hemorrhages during the war. 42. Secondary brain tumors are the most common cause of tumors in the intracranial cavity. 43. Another possibility is that his neurological problems were the result of an intracranial mass. 44. Lethality ranging up to 20 % with death caused most often by intracranial hemorrhage. 45. The swelling of brain tissue leads to raised intracranial pressure ultimately leading to death. 46. HIV / AIDS, intracranial infections and systemic infections may also cause secondary headaches. 47. The seizures occur, by definition, without an intracranial infection or metabolic problems. 48. Intracranial aneurysms may result from diseases acquired during life, or from genetic conditions.49. An eclamptic convulsion usually does not cause chronic brain damage unless intracranial haemorrhage occurs. 50. Increased blood pressure can also make intracranial hemorrhages bleed faster, also increasing ICP.