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[Ependymal cyst--case report]
Insights
This case report details an infant with a large ependymal cyst causing developmental delays and limb weakness. Surgical intervention to connect the cyst to the ventricle led to symptom improvement.
Area of Science:
- Pediatric Neurology
- Neurosurgery
- Developmental Pediatrics
Background:
- Ependymal cysts are rare intracranial lesions that can cause significant neurological deficits in infants.
- Early diagnosis and intervention are crucial for managing pediatric neurological conditions.
Observation:
- An eleven-month-old male infant presented with macrocephaly and right upper limb paresis.
- Computed tomography revealed a large supratentorial cyst and suggested agenesis of the corpus callosum.
- The cyst was isolated from the ventricular and subarachnoid spaces.
Findings:
- The ependymal cyst originated in the interhemispheric fissure and expanded across the midline.
- Cyst fluid analysis showed low protein and normal sugar content.
- Surgical cyst fenestration into the ventricle was performed.
Implications:
- Surgical management of isolated supratentorial ependymal cysts can lead to neurological recovery.
- This case highlights the importance of advanced imaging in diagnosing complex pediatric intracranial pathologies.
- Further research into the etiology and optimal management of ependymal cysts is warranted.
Abstract:
An eleven-month-old male infant with an ependymal cyst is reported. He was born after full-term pregnancy and vacuum extraction. His growth and development was somewhat retarded and he could control his head at the age of five months. He was admitted to our hospital because of the enlargement of his head and the paretic right upper limb. On admission he was found to be a well-nourished infant with the head circumference of 54.5 cm and the height of 75.5 cm. Physical examination disclosed slight weakness in the right upper extremity but no signs of increased intracranial pressure. Computed tomography (CT) revealed a huge low density area in the left frontoparietooccipital region which extended to the right across the midline. Another low density area was seen in the quadrigeminal cistern. CT findings also suggested an association with agenesis of the corpus callosum. The huge supratentorial cyst was isolated from the ventricles and subarachnoid space, which was shown by administration of metrizamide into the cyst. Carotid angiograms showed displacement of both anterior cerebral arteries to the right, which were dissociated from each other. This fact and an association with agenesis of the corpus callosum supported the idea that the cyst originiated in the interhemispheric fissure and expanded into both hemispheres. Cyst fluid was watery clear and protein and sugar contents were 13 mg/dl and 56 mg/dl respectively. The patient underwent a left frontal craniotomy and partial removal of the cyst wall was performed to make a communication with the ventricle. His postoperative course was uneventful and the weakness of the right upper extremity gradually improved.(ABSTRACT TRUNCATED AT 250 WORDS)