Ganglion cyst (ultrasound and MRI)

Case contributed by Martin Perez Romagnoli

Presentation

Soft tissue lump of the dorsal wrist, is mobile, with an elastic consistency, soft, fluctuating, tense, with local pain to active movement in the initial stages.

Patient Data

Age: 40 years
Gender: Male
ultrasound

In ultrasound, it is observed as an anechoic ovoid structure without vascularity, it has fine and well defined echogenic walls, with communication to the underlying joint space.

It is a well defined ovoid structure, and communicates with the underlying joint space. It is hypointense in T1 and hyperintense in PD fat sat.

Case Discussion

Ultrasound is the initial method for the diagnosis of ganglion cysts. Along with the MRI, we can see para-articular structures which contain synovial fluid, covered by a synovial membrane. Evaluate capsular thickening and joint effusions in the radiocarpal joint.

It is useful to assess its contents, size, location and relationship to the adjacent anatomical structures, in particular the joint space, providing useful information for potential surgical planning.

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