Anatomy and pathophysiology of the popliteal tendon area in the lateral meniscus: 1. Arthroscopic and anatomical investigation.
An arthroscopic and anatomical investigation was performed to define the abnormal conditions of the popliteal tendon area in a lateral meniscus. Arthroscopic findings for 100 patients and anatomical observations of 10 amputated knees were analyzed. Five of the 10 dissected menisci were also examined histologically. Menisco-tibial coronary ligaments were classified into two types, as follows: type I--a coronary ligament covering an entire popliteal tendon beneath the meniscus; type II--a popliteal tendon visible beneath the meniscus through defects of the coronary ligament. Twenty-one of 100 cases were classified as type I, and 79 were classified as type II. Three of the 10 anatomical dissections were type I, and the remaining 7 were type II. Menisci in which the type I coronary ligaments were thought to be torn and menisci with type II coronary ligaments showed a rather marked mobility, but no conclusion could be reached.
Kimura
M
M
Department of Orthopaedic Surgery, Gunma Social Welfare Central General Hospital, Japan.
Shirakura
K
K
Hasegawa
A
A
Kobayashi
Y
Y
Udagawa
E
E
D000293:Adolescent; D000328:Adult; D001182:Arthroscopy; D002102:Cadaver; D002648:Child; D005260:Female; D006801:Humans; D008022:Ligaments / Q000033:anatomy & histology; D008297:Male; D008592:Menisci, Tibial / Q000033:anatomy & histology / Q000473:pathology / Q000503:physiopathology; D008875:Middle Aged