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CC BY-NC-ND 4.0 · Asian J Neurosurg 2025; 20(02): 408-412
DOI: 10.1055/s-0045-1806727
Case Report

Isolated Intramedullary Spinal Neurenteric Cysts: Case Report and Literature Review

Sunil Buddappa
1   Department of Neurosurgery, Gauhati Medical College & Hospital, Guwahati, Assam, India
,
Rajesh Kumar Barooah
1   Department of Neurosurgery, Gauhati Medical College & Hospital, Guwahati, Assam, India
,
B.K. Baishya
1   Department of Neurosurgery, Gauhati Medical College & Hospital, Guwahati, Assam, India
,
Fazlallah Afshangian
2   Department of Language and Linguistic, Shiraz Branch, Islamic Azad University, Shiraz, Iran
3   Department of Language, Rodaki Institute of Higher Education, Tonekabone, Iran
,
Daniel Encarnacion-Santos 
4   Department of Neurosurgery, People of Friendship Hospital, Moscow, Russia
,
Gianluca Scalia 
5   Neurosurgery Unit, Highly Specialized Hospital and of National Importance ”Garibaldi,” Catania, Italy
,
Giuseppe E. Umana
6   Department of Neurosurgery, Trauma Centre, Gamma Knief Centre Cannizaro Hospital, Cannizaro, Italy
,
Bipin Chaurasia
7   Department of Neurosurgery, Neurosurgery Clinic Birgunj, Birgunj, Nepal
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Funding None.
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Abstract

Neurenteric cysts, also known as endodermal or enterogenous cysts, are uncommon benign congenital lesions of the central nervous system (CNS) characterized by an epithelial lining of endodermal origin. These cysts predominantly affect the spinal canal and cord. Intramedullary neurenteric cysts are exceptionally rare, with fewer than 100 reported isolated cases. Their distinct characteristics, clinical presentation, and challenges in diagnosis and treatment necessitate a detailed case analysis and review. We present the case of a 33-year-old male patient with an intriguing case of an isolated intramedullary cystic lesion in the cervicodorsal spinal cord, extending from the cervicobulbar junction to the D4 vertebra level. The patient's clinical presentation included a 6-month history of progressive weakness in the left upper limb, accompanied by pain and numbness. Neurological examination revealed muscle atrophy, reduced strength, spastic paraparesis, and sensory deficits. Radiological findings demonstrated an expansile cystic lesion with marked signal heterogeneity, intense enhancement, and the presence of a “cap sign” indicative of subacute hemorrhage. Diagnosis of spinal intramedullary neurenteric cysts is reliant on histopathology. Surgical removal remains the recommended treatment, as a conservative approach can lead to irreversible neurological deficits. However, complete resection may be challenging due to potential adhesions to surrounding structures. In such cases, a more conservative approach, avoiding cyst spillage into the subarachnoid space, is preferred. Vigilant radiological follow-up is crucial to monitor for potential cyst recurrence. These rare cases highlight the need for further scientific literature and improved diagnostic and therapeutic strategies.

Keywords

neurenteric cysts - intramedullary - spinal - endodermal cysts - enterogenous cysts


Publikationsverlauf

Artikel online veröffentlicht:
18. März 2025

© 2025. Asian Congress of Neurological Surgeons. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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