慢性风湿性心瓣膜病：二尖瓣狭窄
图示：慢性风湿性心瓣膜病（二尖瓣狭窄）。右图可见腱索明显缩短增粗。左图显示已剖开的左心房，二尖瓣瓣膜口呈鱼口状狭窄，扩大的心房内可见附壁血栓形成（左图右侧）。
Thisischronicrheumaticvalvulitisinvolvingthemitralvalve.Therightpanelillustratesthemarkedshorteningandthickeningofthechordaetendineae.Intheleftpaneltheenlargedleftatriumisopenedtorevealthe"fishmouth"shapeofthemitralvalve,whichisfunctionallybothstenoticandpartiallyinsufficient.Muralthrombimayoccurinsuchanenlargedatrium,andoneisseenattheright.
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