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Cranial and Spinal Meninges

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The cranial and spinal meninges are complex protective structures surrounding the central nervous system (CNS), consisting of the brain and spinal cord. These meninges consist of the dura mater, the arachnoid mater, and the pia mater. They protect the CNS, provide structural support, and aid in circulating cerebrospinal fluid (CSF).
Cranial Meninges
These meningeal layers cover the cranium. The dura mater is the outermost layer of cranial meninges. It is a thick and durable membrane of dense...

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Updated: Mar 23, 2026

Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery

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Published on: July 5, 2021

Recurrent craniospinal epidermoid: A case report.

Abhidha Shah¹, Manoj Patil¹, Atul Goel¹

¹Department of Neurosurgery, Seth Gordhandas Sunderdas Medical College and King Edward Memorial Hospital, Mumbai, Maharashtra, India.

Journal of Craniovertebral Junction & Spine

|April 5, 2016

Summary

This summary is machine-generated.

A rare fourth ventricular epidermoid cyst recurred 15 years post-surgery, extending into the cervical spine. This case highlights the potential for delayed, extensive recurrence of cranial epidermoid tumors.

Keywords:

Craniospinal epidermoid recurrent

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Area of Science:

Neurosurgery
Neuropathology
Oncology

Background:

Epidermoid cysts are congenital tumors typically found in the cerebellopontine angle or fourth ventricle.
Recurrence after complete resection is uncommon, but possible, necessitating long-term patient follow-up.

Observation:

A rare case of a fourth ventricular epidermoid cyst recurrence 15 years after initial radical resection.
The recurrent tumor exhibited an unusual extension from the cranial cavity into the cervical spine.
Literature review revealed no prior reports of simultaneous cranial and spinal epidermoid tumor presentation.

Findings:

Near-total excision of both cranial and spinal components of the recurrent epidermoid cyst was achieved.
Analysis suggests potential pathways for cranial epidermoid tumor extension into the spinal compartment.

Implications:

This case underscores the importance of vigilant long-term surveillance for epidermoid cysts, even after presumed complete resection.
Understanding the mechanisms of tumor extension is crucial for surgical planning and predicting recurrence patterns.
Highlights the rarity of simultaneous cranial and spinal epidermoid involvement.