Reabsorbed ganglion cyst

Case contributed by Dr Sigmund Stuppner

Presentation

Persistent left lumboischialgia.

Patient Data

Age: 46 years
Gender: Male
Modality: MRI

The T2 sequence shows a cystic elongated lesion arising from the synovial membrane of the left L4-L5 facet joint, with signs of pressing against the left adjacent nerve.

Right pelvic kidney.

Modality: MRI

In the comparison,  on an MRI after 6 months later there is no evidence of the cystic lesion in the same patient.

Case Discussion

The epidural growth of cysts into the spinal canal can causes compression of neural structures and their associated clinical symptoms. The clinical presentation of a cyst depends on its volume, site and its relationship to the surrounding bony and neural structures. The most common symptoms are painful radiculopathy (85%), neurogenic single-root or multiroot claudication (44%), sensory loss (43%), and motor weakness (27%). These cysts may develop from any joint lined by synovial membrane.

In this case probably the mechanical stimulus with conservative traetment was the cause of spontaneus resolution.

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Case Information

rID: 42244
Case created: 12th Jan 2016
Last edited: 14th Jan 2016
Inclusion in quiz mode: Included

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