Longitudinal evaluation of the occurrence of MRI-detectable bone marrow edema in osteoarthritis of the knee

Acta Radiologica
M H BremP Lang

Abstract

Bone marrow edema (BME) is a condition detectable with magnetic resonance imaging (MRI) and is present in different stages of osteoarthritis (OA). Its pathogenesis is still not completely known. To evaluate the longitudinal occurrence and persistence of BME in early OA of the knee. Twenty-three patients (eight females, 15 males; mean age 55.5+/-10.3 years) were scanned with a 1.5T MR imaging unit (sagittal fat-suppressed intermediate-weighted fast spin echo; 4-mm section thickness, 1-mm intersection gap, 256 x 192 matrix, 120-mm field of view). Images were obtained in all 23 patients at two time points (TPs) and in 12 patients at three TPs. Images were evaluated by two readers independently; discrepancies in image grading were reviewed and evaluated in consensus. A four-point image-grading scale was used (absence of BME to severe BME). Four main anatomical regions were evaluated (medial femur, lateral femur, medial tibia, lateral tibia), which were subcategorized into anterior, central, and posterior regions. One hundred five areas of BME in the 23 patients were found at all three TPs. In 16 areas, the BME was consistent at the same location over time, in seven locations the BME became larger, in six areas the BME became smalle...Continue Reading

Citations

Sep 14, 2016·AJR. American Journal of Roentgenology·Christoph A AgtenChristopher J Burke
Feb 3, 2009·Skeletal Radiology·Iain Watt
Jan 17, 2013·Nature Reviews. Rheumatology·Ali GuermaziDaichi Hayashi
Apr 29, 2015·Clinical Orthopaedics and Related Research·Dipal ChatterjeeLaith Jazrawi
Oct 1, 2011·Journal of the American Podiatric Medical Association·Murat TonbulMehmet U Ozbaydar
Mar 13, 2015·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Xi-Liang ShangYing-Hui Hua
Oct 17, 2020·The Journal of Bone and Joint Surgery. American Volume·Hong-Yeol YangJong-Keun Seon

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