Shapir J, Bach D, Melanson D, Ethier R, Frank P
J Can Assoc Radiol. 1984 Sep;35(3):318-21.
The following plain film findings of retrocrural disease were demonstrated by two patients: a) silhouetting, by a soft-tissue density, of a previously seen inner margin of the crus, b) lateral displacement of the crus, c) lateral deviation of the inferior portion of the paraspinal line, and d) abrupt obliteration of the upper portion of a well defined crus.
a)先前可见的膈脚内缘被软组织密度影包绕;b)膈脚向外侧移位;c)脊柱旁线下方部分向外侧偏移;d)清晰可见的膈脚上部突然消失。