A popliteal cyst is a fluid-filled lump at the back of the knee.

A Baker's cyst can appear suddenly and be experienced as a painful lump on the inner aspect of the crease at the back of the knee.

Baker's cyst Baker's cyst

Bakerzyste2 MRT sag

Baker's Cyst
Bakers Cyst

Short article about the anatomical factors that allow a Baker's cyst to develop.

An explanation by Dr Lars Blond as to why he uses keyhole surgery to remove a Baker's cyst.

Pain in the back of the knee

An overview with illustrations.



Baker's Cyst. Demange MK., Rev Bras Ortop. 2011 Nov-Dec; 46(6): 630–633.

Popliteal cysts: a current review. Herman AM, Marzo JM. Orthopedics. 2014 Aug;37(8):e678-84

Baker's Cyst Filled with Hematoma at the Lower Calf Yoo M-J, Yoo J-S, Jang H-S, Hwang C-H. Knee Surg Relat Res. 2014 Dec; 26(4): 253–256.

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Free illustrated ebook to download:

ebook - pain in the back of the knee