Morphology and Aetiology
The term spontaneous intracerebral haemorrhage refers to all varieties of bleeding into the cerebral parenchyma in which trauma or other exogenous factors do not play an essential part (D. Russell 1954) although haemorrhages from ruptured aneurysms and arteriovenous malformations have also been excluded by some authors (Johansson and Melin 1960; Walter and Schütte 1965; Vanderark and Kahn 1968; Benes et al. 1972), as have intracerebral haematomas from brain tumours by others (Grote et al. 1970). Although modern CT methods permit accurate identification of small intracerebral bleedings, only significantly large haemorrhages exceeding 2 – 3 cm in diameter in the cerebrum and cerebellum and 1.5 cm in the brains stem which are not due to trauma or neonatal damage will be considered (Russell 1954; Jellinger 1977).
KeywordsHead Injury Vascular Malformation Cerebral Haemorrhage Anterior Cerebral Artery Minor Trauma
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