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
Table 1. Cases of hemosiderotic synovitis identified through literature review.
| Author | Site involved | Sex | Trauma | Age (years) | X-ray findings | MRI findings | Diagnostic method | Treatment | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Knee effusion | Thickened synovium | Low T1 and T2 | Blooming on GRE | ||||||||
| Jain et al []1 | Right knee | M | No | 19 | Knee effusion and periarticular swelling | Yes | Yes | Yes | Yes | Histopathology | N/A |
| Deshmukh et al []4 | Left knee | F | No | 19 | N/A | Yes | Yes | Yes | N/A | Histopathology | Synovectomy |
| Yalçin et al []5 | Right knee | F | No | 20 | Normal | N/A | Yes | N/A | N/A | Histopathology | Subtotal synovectomy |
| Jayalakshmi et al []2 | Left knee | F | No | 73 | N/A | N/A | N/A | N/A | N/A | Histopathology | Total knee replacement |
| Atik et al []7 | Right knee | M | Minor twist | 23 | Normal | Yes | Yes | Yes | N/A | Histopathology | Synovectomy |
| Ando et al []6 | 4 right knees, 4 left knees | 6M, 2F | No | 48–76 | N/A | Yes | Yes | Yes | Yes | Histopathology | N/A |
| Zeiss et al []8 | Left knee | M | Motor vehicle accident | 40 | Knee effusion | Yes | Yes | Yes | N/A | Histopathology | Partial synovectomy |
| Bartlett et al []3 | Left knee | F | No | 77 | Valgus deformity, subchondral sclerosis and infarction of the lateral femoral condyle | N/A | N/A | N/A | N/A | Histopathology | Total knee replacement |
| M – Male; F – Female; MRI – magnetic resonance imaging; GRE – gradient echo; N/A – not available. | |||||||||||