Multiple spinal arachnoid cysts

Case contributed by Dr Aruna Pallewatte

Presentation

Presented with bilateral mild lower limb weakness of 1 ½ months duration with recent onset bowel and bladder incontinence . There is also a preceding chronic back pain for 1 year with no other co-morbidities.

Patient Data

Age: 45 years old
Gender: Female

T1W and T2W images of cervical and Lumbar Spine

Modality: MRI

The neural canal dilated with multiple lobulated CSF filled extradural cysts within it. These cysts are seen extending from cervical spine to lumbosacral spine involving the entire spine. Posterior vertebral body scalloping is present. Spinal cord and cauda equina is deviated anteriorly and compressed. Some lesions show early extension through neural foramina.

Case Discussion

Spinal arachnoid cysts are benign, space occupying lesions that are filled with clear CSF like fluid and are usually found in the intracranial compartment. Less frequently they are seen in the spine, as in this case. Spinal arachnoid cysts can be classified into Intradural and extradural arachnoid cysts.

(Authors Dr. Aruna Pallewatte, Dr Lasitha Wickremaratne)

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Case Information

rID: 27648
Case created: 12th Feb 2014
Last edited: 14th Dec 2016
Inclusion in quiz mode: Included

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