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  West African Journal of Radiology
 

Figure 1: Hemophilic arthropathy of the right knee with synovitis (Patient 1). The profile radiography of the right knee showed a joint effusion inside suprapatellar recess (a). This was linked to a synovial hypertrophy of the suprapatellar recess which appeared in high signal in proton density sequence with fat saturation (b), associated with a deposit of hemosiderin in low signal in T2* sequence (c) and contrast enhancement in T1-weighted sequence after fat saturation and gadolinium injection (d)

Figure 1: Hemophilic arthropathy of the right knee with synovitis (Patient 1). The profile radiography of the right knee showed a joint effusion inside suprapatellar recess (a). This was linked to a synovial hypertrophy of the suprapatellar recess which appeared in high signal in proton density sequence with fat saturation (b), associated with a deposit of hemosiderin in low signal in T2* sequence (c) and contrast enhancement in T1-weighted sequence after fat saturation and gadolinium injection (d)