Baker's Cyst

Question 1

Where are baker’s cysts found?

Answer 1

Present as swelling in the popliteal fossa (inferior and medial)

Question 2

MOI for a baker’s cyst

Answer 2

Herniation of synovial membrane through joint capsule

Egress of fluid flow through a normal communication to gastrocnemius-semimembranosus bursa

Question 3

Baker’s cysts in children

Answer 3

Common, M>F, medial > lateral

Surgery is rarely indicated as most will resolve in 10-20 months

Question 4

Baker’s cysts in adults

Answer 4

frequently associated with meniscal tears and chondral injury
Can mimic a DVT when enlarged or when it ruptures can mimic thrombophlebitis

Question 5

Common s/s of baker’s cyst

Answer 5

post. knee pain, knee stiffness, swelling or mass behind the knee

Question 6

Tx of baker’s cyst

Answer 6

tx underlying pathology
knee joint steroid injections
PT for compression
Surgery: high incidence of recurrence

Question 7

What is Foucher’s sign?

Answer 7

Indicates a baker’s cyst because the mass disappears once you bend the knee