Figure 56i

Diagram showing pathologic change accounting for the angiographic appearance of coronary artery "spiral" dissection.
A. Alteration in course of disseection.
B. Angiograhic appearance of unaltered course of dissection.

(Waller,B.,Nonatherosclerotic Coronary Heart Disease,Hurst's,The Heart,Chapter39,Vol.1,pp 1161-1205.)

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