Quiz case of the month. Intra-articular pigmented villonodular synovitis of the knee.
Bianchi
S
S
Servizio di Radiodiagnostica, E. O. Ospedale Galliera, Genoa, Italy.
Mazzola
C G
CG
Martinoli
C
C
Damiani
S
S
Derchi
L E
LE
D000328:Adult; D003952:Diagnostic Imaging; D005260:Female; D006801:Humans; D007719:Knee Joint; D013586:Synovitis, Pigmented Villonodular / Q000175:diagnosis*