T2 map segmentation into the deep, intermediate, and superficial layers when staging of patellar cartilage chondromalacia
Elena Voronkova1,2, Petr Menshchikov3,4, Ilya Melnikov1, Andrei Manzhurtsev1,4, Maxim Ublinskii1, Denis Vorobyev1, Dmitriy Kupriyanov3, and Tolib Akhadov1
1Clinical and Research Institute of Emergency Pediatric Surgery and Trauma, Moscow, Russian Federation, 2National Research Nuclear University MEPhI, Moscow, Russian Federation, 3Philips Healthcare, Moscow, Russian Federation, 4Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russian Federation
This paper has demonstrated the benefits of segmentation into the deep, intermediate, and superficial layers in analysis of T2 maps of patellar cartilage with chondromalacia. In the deep and intermediate layers, the Т2 values were significantly different in all the patients groups, while the T2 values in the superficial layer did not depend on the disease grade. Compared with the whole cartilage assessment, this approach increased the sensitivity and specificity of chondromalacia staging by 17% and therefore can significantly increase the clinical efficiency of T2 mapping.
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