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MR appearance of the temporal evolution and resolution of spontaneous osteonecrosis of the knee: a case report
Örebro University, School of Medical Sciences. Orebro University Hospital. Department of Radiology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden; Department of Clinical Sciences, Lund University, Lund, Sweden .ORCID iD: 0000-0003-0529-7723
Department of Orthopedic Surgery, Ska ̊ ne University Hospital and Lund University, Lund, Sweden.
Department of Radiology, Akademiska Hospital, Uppsala, Sweden.
Department of Radiology, Akademiska Hospital, Uppsala, Sweden.
2017 (English)In: Acta Radiologica Open, E-ISSN 2058-4601, Vol. 6, no 2Article in journal (Refereed) Published
Abstract [en]

Spontaneous osteonecrosis of the knee (SONK) is a feared condition of unknown cause, in its classic form appearing in the medial femoral condyle in middle-aged or elderly subjects. Diagnosis with radiography is notoriously difficult with a long latency before typical changes appear. Magnetic resonance imaging (MRI) is regarded as a diagnostic tool with the possibility to give an earlier diagnosis with improved chances for treatment. However, also with MRI there may be an initial diagnostic blind spot before typical changes appear. Little is known about the temporal evolution of the MRI changes. In the current case report, a case of SONK is reported where serial imaging with MRI was performed, from initial symptoms to eventual resolution after almost three years.

Place, publisher, year, edition, pages
Sage Publications, 2017. Vol. 6, no 2
Keyword [en]
Osteonecrosis, knee, magnetic resonance imaging (MRI)
National Category
Radiology, Nuclear Medicine and Medical Imaging
Identifiers
URN: urn:nbn:se:oru:diva-56924DOI: 10.1177/2058460116688719ISI: 000394670100001OAI: oai:DiVA.org:oru-56924DiVA: diva2:1086863
Available from: 2017-04-04 Created: 2017-04-04 Last updated: 2017-04-04Bibliographically approved

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