Knee Arthritis

Question 1

Aetiology of early OA?

Answer 1

• Previous meniscal tears
• Ligament injuries (Especially ACL deficiency)
• Ligament malalignment
• Seropositive and seronegative inflammatory arthritis
• Many are primary
• Palletofemoral OA

Question 2

Genu varum causes which OA?

Answer 2

Medial

Question 3

Genu valgum causes which OA?

Answer 3

Lateral OA

Question 4

Treatment of OA in the knee?

Answer 4

Young, medial OA: osteotomy of the proximal tibia= high tibial osteotomy= HTO