The circulatory apparatus in general paralysis of the insane / by T. Duncan Greenlees.

  • Greenlees, T. Duncan.
Date:
1904
Catalogue details

Licence: In copyright

Credit: The circulatory apparatus in general paralysis of the insane / by T. Duncan Greenlees. Source: Wellcome Collection.

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    lymph corpuscles, &c. Within the perivascular spaces, pig¬ mentary and other deposits within and around the vascular walls, general thickening o£ one or other of the vascular tunics, dilatations, tortuosities, and varicosities of the arterioles; various degenerations, such as colloid and amyloid, of the minute vessels—conditions, it may be mentioned, not confined to general paralysis; and, finally, obliteration of the arterioles, or the formation of new vessels (Fig. 3). Any one or more of the above changes may be found in a typical example of general paralysis; but it must not be understood that the presence or absence of these pathological changes constitutes a dogmatic diagnosis, although we are almost sure to meet with several of these changes in any prolonged case. It may be asserted that as varieties are found clinically in cases of general paralysis, so may we find varieties in the pathological alterations, especially as they affect the vascular system. With such interesting and important vascular changes common to this disease, it may not be out of place discussing several of the theories that have recently been advanced to explain its etiology and pathology. Bevan Lewis holds that general paralysis is an inflammatory
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