Redundant cauda equina nerve roots in severe spinal canal stenosis

Case contributed by Dalia Ibrahim

Presentation

Back and leg pain.

Patient Data

Age: 60 years
Gender: Male

Lumbar spondylosis with multi-level disc lesions and severe degenerative spinal canal stenosis at L2-3 disc.

There are elongated, tortuous and coiled cauda equina nerve roots just above the area of spinal canal stenosis at L2-3 disc.

There are elongated, tortuous and coiled cauda equina nerve roots just above the area of spinal canal stenosis at L2-3 disc (yellow arrow).

Case Discussion

Redundant nerve roots of the cauda equina are characterized by the presence of elongated tortuous nerve roots with serpiginous or coiled appearance near areas of spinal canal stenosis.

This disease is not a new or separate disease, however, it is a part of the natural evolution of lumbar canal stenosis.

Differential diagnosis: It is important to differentiate this from other pathological diseases such as arteriovenous malformations or arteriovenous fistula.

Case courtesy of Dr Tamer El Bakry.

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