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Spinal intramedullary arachnoid cyst in children
Mohamed Lmejjati1, Khalid Aniba, Mustapha Haddi
1Department of Neurosurgery, CHU Mohammed-VI, Marrakesh, Morocco. otalmejjati@yahoo.fr
Insights
This case study highlights a rare pediatric spinal arachnoid cyst causing paraparesis. Surgical removal led to a full neurological recovery, underscoring the importance of considering this diagnosis.
Area of Science:
- Pediatric Neurology
- Neurosurgery
- Spinal Imaging
Background:
- Intramedullary cystic lesions in children are rare and can present with diverse neurological deficits.
- Spinal magnetic resonance imaging (MRI) is crucial for diagnosing such lesions.
- Arachnoid cysts are typically found in the subarachnoid space but can occur within the spinal cord parenchyma.
Observation:
- A pediatric patient presented with progressive paraparesis over 15 days.
- Spine MRI revealed an intramedullary cystic lesion extending from T(3) to T(4).
- Surgical intervention involved a T(3)-T(4) laminotomy for lesion removal.
Findings:
- Histopathological examination confirmed the lesion as an arachnoid cyst.
- Post-operative neurological status significantly improved.
- Follow-up at 4 months showed complete normalization of neurological examinations.
Implications:
- This case emphasizes that spinal arachnoid cysts should be considered in the differential diagnosis of pediatric intramedullary cystic lesions.
- Early diagnosis and surgical management can lead to favorable outcomes.
- Further research into the etiology and optimal management of pediatric intramedullary arachnoid cysts is warranted.
Abstract:
The authors report an unusual case of a child who presented with progressive paraparesis that lasted 15 days, revealing an intramedullary cystic lesion extending from T(3) to T(4) as detected with spine magnetic resonance imaging. A laminotomy from T(3) to T(4) was performed and the lesion removed. Histopathological findings confirmed the diagnosis of arachnoid cyst. After surgery, the patient's neurological status improved. At the 4-month follow-up examination, the results of his neurological examinations remained normal. Arachnoid cyst is an entity that should be included in the differential diagnosis of intramedullary cystic lesions.
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