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Non-Inflammatory Diseases - XIII - Cystic Medial Degeneration with Pools of Mucopolysaccharides

Cystic medial degeneration with pools of mucopolysaccharides. Left image. Translamellar accumulation of mucopolysaccharides forms large pools in the media.  These pools involve more than 1/3 of the thickness  of the media. (X500 H&E) Right image.. The same area of the aorta clearly shows large gaps in the elastic lamellae throughout the media. The intima and adventitial layers are completely normal.  The vasa vasorum are also normal. (X500 Movat pentachrome).


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