医学
解剖
前交叉韧带
骨科手术
磁共振成像
前外侧韧带
弯月面
口腔正畸科
外科
放射科
前交叉韧带重建术
入射(几何)
光学
物理
标识
DOI:10.1097/00003086-199307000-00029
摘要
In some human autopsy specimens, a bony prominence located anterior to the tibial eminences represents the confluent insertion of the anterior horn medial meniscus and the medial fibers of the anterior cruciate ligament (ACL). The prominence has been called "Parsons' knob" by anatomists and the "tuberculum intercondylare tertium" by radiologists. This article reviews the anatomy and provides the first magnetic resonance image study and perhaps the first roentgenographic depiction of this landmark in the English-speaking orthopedic literature. This structure, if noted preoperatively, can be helpful in identifying the appropriate site of tibial tunnel placement for ACL reconstructive operations performed under arthroscopic or fluoroscopic guidance.
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