Increased cortical density in popliteal lymphadenopathy as a promising radiological sign to help differentiate adverse local tissue reaction from infections in complications following a knee arthroplasty—three case reports

Marta Porta-Vilaró, Álvaro Bartolomé-Solanas, Ana-Belen Larque, Juan Carlos Soler-Perromat, Tomas Diego Fernandez Rovira, Ana-Isabel García-Diez, Montserrat Del Amo, Marta Sabater-Martos, Marc Ferrer-Banús, Juan Carlos Martínez, Xavier Tomás, Jaime Isern-Kebschull