Table 1.

Ganglion Cyst Versus Synovial Cyst. Ultrasound Characteristics Through a Review of the Literature

Ultrasound Characteristic and Discriminative Findings	Ganglion Cyst	Synovial Cyst
Compressibility	No	Yes
Location (more frequent)	Wrist, hand, ankle, foot.	Knee (gastrocnemius-semimembranosus bursa) Hip (iliopsoas bursa).
Similar findings
Blood flow by Doppler evaluation	Absence	Absence or possible
Echogenicity	Anechoic to hypoechoic.	Anechoic to hypoechoic.
Configuration	Uni or multilocular +/− septations	Uni or multilocular +/− septations
Borders	Thin and well defined	Thin and well defined
Joint communication	+/−	+/−
Posterior acoustic shadowing	+/−	+/−

Giard, M., Pineda, C. Ganglion cyst versus synovial cyst ? Ultrasound characteristics through a review of the literature. Rheumatol Int 35,597–605 (2015). https://doi.org/10.1007/s00296-014-3120-1