29 June 2021
: Case report 
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. Khasawneh1ABCDEF*, Ziyad M. Mohaidat2ABCDEF, Maha M. Gharaibeh1ABCDEF, Ahmad Hdeeb1ABCDEFDOI: 10.12659/AJCR.931992
Am J Case Rep 2021; 22:e931992
Figure 1. Sagittal proton density MRI of the knee showing large joint effusion with frond-like low signal intensity projections and lobulated masses seen in the suprapatellar recess and popliteal fossa (arrows).