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A morphometric study of menisci of knee joint in human cadavers

Authors:Bharati Prabhakar Nimje, P.S. Bhuiyan
Int J Biol Med Res. 2014; 5(1): 3807-3809  |  PDF File


Menisci are the cartilaginous discs present in between femur and tibia in knee joint. These are prone to damage and as being weight bearing structures; they are commonly replaced once injured, by arthroscopic or open procedure. For such meniscus transplants, calculation of proper size of allograft is important as in knee joints with improper sized menisci, arthritis is common to occur. Thus to improvise the knowledge of dimensions of menisci, this study is aimed to study the morphometric parameters of menisci of knee joint in human cadavers. The methodology used for this study is dissection of knee joint so as to visualize the interior of knee joint. For this, unclaimed knee joints which were embalmed were dissected to expose the menisci by reflecting patella attached to ligamentum patellae inferiorly. Dimensions of menisci were calculated and were compared on two sides as well as laterality. Correlation of parameters of menisci with those of tibial plateau was calculated as ratio. As a result, it is observed that meniscus is approximately 0.8 to 0.9 times the length and 0.25 to 0.27 times the width of tibial plateau. To conclude, this data can be correlated with the classical method of sizing of menisci for transplantation by getting anteroposterior and lateral X rays and multiplying it with multiplication factor after correction of magnification and thus change observed with classical method is 0.1 for both menisci.