Potential Utility of SPECT/CT for Early Detection of Spontaneous Osteonecrosis of the Knee

Min Young Yoo, Young Soo Shin, Ok Kyu Song, Bom Sahn Kim, Seo Young Kang, Byung Seok Moon, Hai Jeon Yoon

Research output: Contribution to journalArticlepeer-review

Abstract

Spontaneous osteonecrosis of the knee (SONK) is the most common phenotype of osteonecrosis of knee joints in older adults. Early diagnosis with appropriate management is crucial for improving the prognosis of the SONK. We present SONK in bone scintigraphy and SPECT/CT in 65-year-old man with sudden worsening knee pain and normal radiographs. SPECT/CT revealed intense uptake in subchondral area of left femoral medial condyle, which can be differed from progressed osteoarthritic change of the knee joints suspected on planar scintigraphy. Subsequently performed MRI showed characteristic finding of SONK. Total knee replacement arthroplasty was performed with final histological diagnosis of SONK.

Original languageEnglish
Pages (from-to)E704-E705
JournalClinical Nuclear Medicine
Volume47
Issue number11
DOIs
StatePublished - 1 Nov 2022

Keywords

  • SPECT/CT
  • spontaneous osteonecrosis of the knee
  • subchondral lesion

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