THE LUMBAR MAMILLO-ACCESSORY FORAMEN - A STUDY OF 203 LUMBOSACRAL SPINES

被引:12
作者
MAIGNE, JY [1 ]
MAIGNE, R [1 ]
GUERINSURVILLE, H [1 ]
机构
[1] UNIV PARIS 06,HOP HOTEL DIEU,DIV PHYS MED & REHABIL,F-75004 PARIS,FRANCE
关键词
LUMBAR SPINE; DORSAL RAMUS; ZYGAPOPHYSEAL JOINT;
D O I
10.1007/BF01623137
中图分类号
R602 [外科病理学、解剖学]; R32 [人体形态学];
学科分类号
100101 [人体解剖与组织胚胎学];
摘要
We have examined 203 lumbar and sacral skeletal specimens and have noted the frequent occurence of a mamillo-accessory foramen, formed by the ossification of the mamillo-accessory ligament. The dorsal ramus of the lumbar nerve passes through this foramen. At the L5 level, this foramen is found frequently: in 26% of the cases on the left side and in 13.5% on the right. In some cases it is seen as a simple, deep notch. It is found much less frequently at L4 and almost never seen above. It is equally rare at the sacral level where it is formed by a narrowing and closure of the groove between the zygapophyseal joint and the sacral lateral mass. The authors propose that these bony foramina are a manifestation of osteoarthritic changes and that they could, in certain cases, irritate or compress the dorsal ramus along its passage.
引用
收藏
页码:29 / 32
页数:4
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