Baker cyst

A Baker's cyst, also known as a popliteal cyst, is a type of fluid collection behind the knee. Often there are no symptoms. [Source: Wikipedia ]

Synonyms

Popliteal cyst

Is A

Synovial cyst

Subtypes

Ruptured popliteal cyst

May Cause

Benign synovial lesion

Juxta-articular soft-tissue mass

May Be Caused by

 Common

Chronic joint effusion

Cruciate tear

Intraarticular loose body

Meniscal tear

Osteoarthritis

Rheumatoid arthritis

 Uncommon

Calcium pyrophosphate dihydrate crystal deposition disease

Chondromalacia of patella

Gout

Granulomatous synovitis

Idiopathic popliteal cyst

Osteochondritis dissecans

Pigmented villonodular synovitis

Reiter syndrome

Septic arthritis

Sjögren syndrome

Systemic lupus erythematosus