Abstract
Article: The Sonographic Spectrum of Baker Cysts
Author: Tony Y. Li, RDMS, RVT, RMSK, CRGS, CRVS
Category: Musculoskeletal [MSK]
Credit: 0.75 SDMS CME Credit
Objectives: After studying the article titled “The Sonographic Spectrum of Baker Cysts,” you will be able to:
Understand terminology related to musculoskeletal imaging
Describe the etiology of Baker cysts
Recognize the sonographic appearance of Baker cysts and surrounding anatomy
What is a Baker cyst? Rupture of the head of the gastrocnemius muscle Leakage of interstitial fluid into the popliteal fossa A hematoma related to injury of the semimembraneous tendon Distension of the gastrocnemio semimembranosus bursa
Which term refers to the one-way transmission of synovial fluid from the knee joint into the superficial (low-pressure) bursa? Hydraulic transfer Functional valve mechanism Pressure gradient Spontaneous fluid flow
A Baker cyst usually consists of the body, the neck, and the: Fundus Head Base Tail
What is the typical sonographic appearance of a Baker cyst? Varied Echogenic Anechoic Complex
In a longititudinal plane, what anatomic location is unique to a small atypical Baker cyst? Deep to the MHG Lateral to the SMT Superficial to the MHG Medial to the SMT
How can a tubular Baker cyst be differentiated from a superficial vein? A Baker cyst has thick walls when compared with the walls of a vein Lack of blood flow when imaged with color Doppler Noting the heavy acoustic shadowing posterior to the Baker cyst Observing the calcifications present in all Baker cysts
In which area of the knee can a Baker cyst extend? Intermuscular planes Muscles Tendons Bursa
Footnotes