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Fig. 3 | BMC Veterinary Research

Fig. 3

From: Comparison of tibial anatomical-mechanical axis angles and patellar positions between tibial plateau levelling osteotomy (TPLO) and modified cranial closing wedge osteotomy (AMA-based CCWO) for the treatment of cranial cruciate ligament disease in large dogs with tibial plateau slopes greater than 30° and clinically normal Labradors retrievers

Fig. 3

Measurements made in the TPLO group. Mediolateral radiographs of a dog in the TPLO group illustrating the measurements made during preoperative radiographic planning (d1-d2 technique) (a) and to determine ISIcls, where ISIcls = PLL (AB)/PL (b), and ISIpo, where ISIpo = PLLpo/PL (c). The ISIcls – ISIpo reflects a decrease in the distance between the distal pole of the patella and the tibial crest. The distance AB in Figure b is shown in Figure c to better display the patellar height decrease. ISI, Insall-Salvati index; cls, contralateral side; po, postoperative; PLL, patellar ligament length; PL, patellar length

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BMC Veterinary Research

ISSN: 1746-6148

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