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Updated: May 26, 2026

Diagnosis and Surgical Treatment of Human Brucellar Spondylodiscitis

Diagnosis and Surgical Treatment of Human Brucellar Spondylodiscitis

Published on: May 23, 2021

Arachnoiditis ossificans.

Harshpal Singh¹, Scott A Meyer, Madhu R Jannapureddy

¹Department of Neurosurgery, Mount Sinai School of Medicine, New York, New York, USA.

World Neurosurgery

|December 14, 2011

Summary

Arachnoiditis ossificans, a rare condition causing ossification of the arachnoid mater, can lead to myelopathy. Surgical decompression of ossified arachnoid and cerebrospinal fluid pathways improved a patient with coexisting spinal conditions.

Area of Science:

Neurosurgery
Neurology
Spinal Cord Pathology

Background:

Arachnoiditis ossificans is a rare condition characterized by ossification within the arachnoid mater, often leading to significant neurological deficits.
This case highlights the complex interplay of spinal pathologies, including arachnoid ossifications, arachnoid cyst, syringomyelia, and a herniated thoracic disc.

Observation:

An 81-year-old female presented with acute neurological decline, including progressive leg weakness, sensory disturbances (dysesthetic pains), and urinary incontinence.
The patient's symptoms were attributed to the combined effects of arachnoid ossifications, an arachnoid cyst, syringomyelia, and a herniated thoracic disc at the thoracic level.

Findings:

Surgical intervention involved thoracic laminectomy with costotransversectomy to resect the ossified arachnoid and restore cerebrospinal fluid (CSF) flow.

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Last Updated: May 26, 2026

Diagnosis and Surgical Treatment of Human Brucellar Spondylodiscitis

Diagnosis and Surgical Treatment of Human Brucellar Spondylodiscitis

Published on: May 23, 2021

The surgical procedure aimed to decompress the spinal cord and alleviate the obstruction in the subarachnoid space.

Implications:

Altered CSF dynamics due to subarachnoid space obstruction may contribute to arachnoid cyst formation.
The arachnoid cyst itself could be the primary cause of myelopathy in such complex spinal conditions.
This case underscores the importance of addressing all contributing factors in managing patients with combined spinal pathologies.