Knee Problems

Question 1

Osteoarthritis of the knee

Answer 1

> 50 years old, overweight

Pain, intermittent swelling, crepitus, restricted movement

Question 2

Infrapatellar bursitis

Answer 2

AKA Clergyman’s knee

Associated with kneeling

Question 3

Prepatellar bursitis

Answer 3

AKA Housemaid’s knee

Associated with more upright kneeling

Question 4

Anterior cruciate ligament

Answer 4

Caused by twisting of the knee - ‘popping’ noise may have been heard
Rapid onset of knee effusion
Positive draw test

Question 5

Posterior cruciate ligament

Answer 5

Caused by anterior force applied to the proximal tibia

Question 6

Collateral ligament

Answer 6

Tenderness over the affected ligament

Knee effusion may be seen

Question 7

Meniscal lesion

Answer 7

Caused by twisting of the knee
Locking and giving-way are common feature
Tender joint line

Question 8

Baker’s cyst

Answer 8

Associated with arthritis, gout and minor trauma
Foucher’s sign - the increase in tension of the Baker’s cyst on extension of the knee
Transilluminable swelling in the posteromedial aspect of the knee
DVT needs to be considered because it can mimic a Baker’s cyst
DVT can co-exist with a Baker’s cyst - low threshold for ultrasound