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29 June 2021: Articles

Post-Traumatic Hemosiderotic Synovitis of the Knee Mimicking Pigmented Villonodular Synovitis on Magnetic Resonance Imaging (MRI) in a Child: A Case Report

Mistake in diagnosis, Diagnostic / therapeutic accidents, Rare disease

Ruba A. Khasawneh A* , Ziyad M. Mohaidat A , Maha M. Gharaibeh A , Ahmad Hdeeb A

DOI: 10.12659/AJCR.931992

Am J Case Rep 2021; 22:e931992

Table 1. Cases of hemosiderotic synovitis identified through literature review.

AuthorSite involvedSexTraumaAge (years)X-ray findingsMRI findingsDiagnostic methodTreatment
Knee effusionThickened synoviumLow T1 and T2Blooming on GRE
Jain et al []1 Right kneeMNo19Knee effusion and periarticular swellingYesYesYesYesHistopathologyN/A
Deshmukh et al []4 Left kneeFNo19N/AYesYesYesN/AHistopathologySynovectomy
Yalçin et al []5 Right kneeFNo20NormalN/AYesN/AN/AHistopathologySubtotal synovectomy
Jayalakshmi et al []2 Left kneeFNo73N/AN/AN/AN/AN/AHistopathologyTotal knee replacement
Atik et al []7 Right kneeMMinor twist23NormalYesYesYesN/AHistopathologySynovectomy
Ando et al []6 4 right knees, 4 left knees6M, 2FNo48–76N/AYesYesYesYesHistopathologyN/A
Zeiss et al []8 Left kneeMMotor vehicle accident40Knee effusionYesYesYesN/AHistopathologyPartial synovectomy
Bartlett et al []3 Left kneeFNo77Valgus deformity, subchondral sclerosis and infarction of the lateral femoral condyleN/AN/AN/AN/AHistopathologyTotal knee replacement
M – Male; F – Female; MRI – magnetic resonance imaging; GRE – gradient echo; N/A – not available.

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923