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Updated: Feb 14, 2026

Anterior Cervical Discectomy and Fusion in the Ovine Model
Published on: October 5, 2009
Idiopathic hypertrophic pachymeningitis as a rare cause of cervical compressive myelopathy
Aya Fukuda1, Elizabete Punaro1, Fábio Rogério2
1Department of Radiology, State University of Campinas, State University of Campinas, SP, Brazil.
Abstract:
The spinal form of idiopathic hypertrophic pachymeningitis (IHP) is a rare condition characterized by a chronic progressive diffuse inflammatory fibrosis of the dura mater, which may evolve to the compression of the spinal cord. We present a case report about IHP focusing on its features in magnetic resonance imaging, which are determined by an intradural extramedullary mass in the cervical spine showing hypointensity on T2-weighted images and peripheral enhancement, causing compression of the spinal cord. Histological analysis showed a nonspecific chronic inflammatory process in dense fibrous tissue. The patient had a good outcome after therapy with steroids.
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