Detailed descriptions of the histologic features of vascular disturbances of the central nervous system are scarce. This may be because of a common misconception that many of the vascular changes observed in the central nervous system are "functional," and therefore "without anatomic basis." Of course what is meant is that a certain type of vascular alteration, though structural, may be reversible; the actual changes are often so minimal that it may be difficult to demonstrate them in fixed tissue. Any one, however, should recognize that a change in size of a vessel is a structural or a morphologic change. Possibly because of this loose concept of "functional" vascular changes, the histopathologically visible evidence of the alteration that remains is often overlooked; certainly, not much importance has been assigned to it. In this paper this particular vascular change will be described, and meaningless discussion as to whether it is "functional or
SCHEINKER IM. VASOPARALYSIS OF THE CENTRAL NERVOUS SYSTEM, A CHARACTERISTIC VASCULAR SYNDROMESIGNIFICANCE IN THE PATHOLOGY OF THE CENTRAL NERVOUS SYSTEM. Arch NeurPsych. 1944;52(1):43–56. doi:10.1001/archneurpsyc.1944.02290310049005
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