PMID: 9529440Apr 8, 1998Paper

Fast spin-echo MR of the articular cartilage in the osteoarthrotic knee. Correlation of MR and arthroscopic findings

Acta Radiologica
Y KawaharaK Hayashi

Abstract

The objective was to assess the efficacy of fast spin-echo (FSE) imaging in the detection of articular cartilage abnormality in osteoarthrosis of the knee. We studied 356 articular surfaces in 73 knees that had been examined by both MR imaging and arthroscopy. The MR images were obtained with FSE imaging (TR/TE 4200/100) on a 0.5 T unit. The surface abnormalities of the articular cartilage that were detected by MR imaging were compared with the arthroscopic findings. The overall sensitivity and specificity of MR in detecting chondral abnormalities were 60.5% (158/261) and 93.7% (89/95) respectively. MR imaging was more sensitive to the higher grade lesions: 31.8% (34/107) in grade 1; 72.4% (71/98) in grade 2; 93.5% (43/46) in grade 3; and 100% (10/10) in grade 4. The MR and arthroscopic grades were the same in 46.9% (167/356), and differed by no more than 1 grade in 90.2% (321/356) and 2 grades in 99.2% (353/356). The correlation between arthroscopic and MR grading scores was highly significant with a correlation coefficient of 0.705 (p < 0.0001). FSE sequence was less sensitive to mild cartilage abnormality but useful in detecting moderate to severe abnormality and in evaluating the degree of articular cartilage abnormality.

Citations

Dec 17, 2009·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·Michael SchrammeAnthony Pease
Sep 23, 2020·Proceedings of the National Academy of Sciences of the United States of America·Shinjini KunduGustavo K Rohde
Jan 20, 2007·Radiographics : a Review Publication of the Radiological Society of North America, Inc·Yvonne Yiwan HoShih-Chang Wang
Nov 20, 2003·Seminars in Arthritis and Rheumatism·Stephen Philip Oakley, Marissa N Lassere
Nov 26, 2009·Rheumatic Diseases Clinics of North America·Adnan Sheikh, Mark Schweitzer

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