The Journal of Korean Knee Society  2014;26(4):253-256

doi:10.5792/ksrr.2014.26.4.253

Baker's Cyst Filled with Hematoma at the Lower Calf

Moon Jib YOO 1 ; Jae Sung YOO ; Ho Seong JANG ; Chang Hwan HWANG

Affiliations

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Keywords

Knee; Calf; Baker's cyst; Hematoma

Country

Republic of Korea

Language

English

Abstract

Baker's cyst is a distension of the gastrocnemius-semimembranosus bursa of the knee, which communicates with the posterior portion of the joint capsule. Baker's cyst is commonly located in the inferomedial or superficial layers of the knee joint and rarely extends laterally or proximally. Complications of Baker's cysts are dissection, rupture, pseudothrombophlebitis, leg ischemia, nerve entrapment, and compartment syndrome. However, hematomas in the Baker's cyst have not been reported in Korea. We report a rare case of hematoma in the Baker's cyst with subfascial extension into the calf. The hematoma was demonstrated by magnetic resonance imaging and removed by mass excision.