MRI Findings in Multiple Spinal Arachnoid Cysts: A Rare Cause of Acute Paraplegia

Mohamedou Meggahi; Anys Benhaddou; Youssef Sakhy; Houria Tabakh; Abdelatif Siwane; Najwa Touil; Omar Kacimi

doi:10.5455/ajdi.20250423071446

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Online Published: 07 May 2025

A J Diagn Imaging. 2025; 11(3): 41-45

doi: 10.5455/ajdi.20250423071446

MRI Findings in Multiple Spinal Arachnoid Cysts: A Rare Cause of Acute Paraplegia

Mohamedou Meggahi, Anys Benhaddou, Youssef Sakhy, Houria Tabakh, Abdelatif Siwane, Najwa Touil, Omar Kacimi.

Abstract
Background: Spinal arachnoid cysts (SACs) are rare benign lesions arising from the arachnoid membrane containing cerebrospinal fluid (CSF). They are usually solitary and asymptomatic and are often discovered incidentally. Symptomatic patient may develop progressive neurological deficits due to spinal cord or nerve root compression. The presence of multiple intradural arachnoid cysts is an exceptional finding, and with very few have been reported in the literature. These lesions pose diagnostic and therapeutic challenges, particularly when they extend over several vertebral levels. MRI is the gold standard for their identification, as it allows precise assessment of their number, size, location, and impact on adjacent neural structures.

Case Presentation: A 34-year-old woman with no relevant medical history developed sudden-onset paraplegia associated with urinary retention and sensory disturbances. Clinical examination confirmed thoracic sensory level and flaccid paraplegia. MRI of the spinal cord demonstrated multiple intradural extramedullary arachnoid cysts spanning several thoracic levels, causing significant spinal cordcompression, with no associated hemorrhage or neoplastic lesion. There was no evidence of prior trauma, surgery, or infection.

Conclusion: Multiple intradural spinal arachnoid cysts are an uncommon but important differential diagnosis in patients with acute myelopathy. MRI plays a central role in their diagnosis, enabling not only detection but also differentiation from other cystic or neoplastic lesions. Recognizing this rare entity is essential for timely management and preventing unnecessary or inappropriate interventions.

Key words: MRI Arachnoid Cysts Multiple Paraplegia

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How to Cite this Article

Pubmed Style

Meggahi M, Benhaddou A, Sakhy Y, Tabakh H, Siwane A, Touil N, Kacimi O. MRI Findings in Multiple Spinal Arachnoid Cysts: A Rare Cause of Acute Paraplegia. A J Diagn Imaging. Online First: 07 May, 2025. doi:10.5455/ajdi.20250423071446

Web Style

Meggahi M, Benhaddou A, Sakhy Y, Tabakh H, Siwane A, Touil N, Kacimi O. MRI Findings in Multiple Spinal Arachnoid Cysts: A Rare Cause of Acute Paraplegia. https://www.wisdomgale.com/ajdi/?mno=254050 [Access: May 10, 2025]. doi:10.5455/ajdi.20250423071446

AMA (American Medical Association) Style

Meggahi M, Benhaddou A, Sakhy Y, Tabakh H, Siwane A, Touil N, Kacimi O. MRI Findings in Multiple Spinal Arachnoid Cysts: A Rare Cause of Acute Paraplegia. A J Diagn Imaging. Online First: 07 May, 2025. doi:10.5455/ajdi.20250423071446

Vancouver/ICMJE Style

Meggahi M, Benhaddou A, Sakhy Y, Tabakh H, Siwane A, Touil N, Kacimi O. MRI Findings in Multiple Spinal Arachnoid Cysts: A Rare Cause of Acute Paraplegia. A J Diagn Imaging, [cited May 10, 2025]; Online First: 07 May, 2025. doi:10.5455/ajdi.20250423071446

Harvard Style

Meggahi, M., Benhaddou, . A., Sakhy, . Y., Tabakh, . H., Siwane, . A., Touil, . N. & Kacimi, . O. (2025) MRI Findings in Multiple Spinal Arachnoid Cysts: A Rare Cause of Acute Paraplegia. A J Diagn Imaging, Online First: 07 May, 2025. doi:10.5455/ajdi.20250423071446

Turabian Style

Meggahi, Mohamedou, Anys Benhaddou, Youssef Sakhy, Houria Tabakh, Abdelatif Siwane, Najwa Touil, and Omar Kacimi. 2025. MRI Findings in Multiple Spinal Arachnoid Cysts: A Rare Cause of Acute Paraplegia. American Journal of Diagnostic Imaging , Online First: 07 May, 2025. doi:10.5455/ajdi.20250423071446

Chicago Style

Meggahi, Mohamedou, Anys Benhaddou, Youssef Sakhy, Houria Tabakh, Abdelatif Siwane, Najwa Touil, and Omar Kacimi. "MRI Findings in Multiple Spinal Arachnoid Cysts: A Rare Cause of Acute Paraplegia." American Journal of Diagnostic Imaging Online First: 07 May, 2025. doi:10.5455/ajdi.20250423071446

MLA (The Modern Language Association) Style

APA (American Psychological Association) Style

Meggahi, M., Benhaddou, . A., Sakhy, . Y., Tabakh, . H., Siwane, . A., Touil, . N. & Kacimi, . O. (2025) MRI Findings in Multiple Spinal Arachnoid Cysts: A Rare Cause of Acute Paraplegia. American Journal of Diagnostic Imaging , Online First: 07 May, 2025. doi:10.5455/ajdi.20250423071446

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