[Circulatory disorders of the pituitary gland in neurosurgical pathology of the brain].

Histological study of 206 hypophyses of patients who had died from various neurosurgical diseases of the brain showed circulatory disorders in the hypophysis to be of the haemorrhagic type in 15.53% and the ischemic type in 9.22% of cases. The pathoanatomical characteristics of hemorrhages and infarcts of the hypophysis is given, the pathogenesis of these disorders is discussed, and the leading role of mechanical factors in the development of disorders of blood circulation is pointed out.