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Updated: Aug 11, 2026

Intraoperative Ultrasound in Spinal Surgery
Published on: August 17, 2022
[Cervical intraspinal enterogenous cyst: a rare cause of neonatal syncope]
J Languepin1, P Daoud, I Desguerre
1Unité de réanimation médicale, hôpital Saint-Vincent-de-Paul, Paris, France.
Insights
Enterogenous cysts, rare embryogenic tumors, can cause early symptoms in infants, even without vertebral abnormalities. Magnetic resonance (MR) imaging is crucial for diagnosing these spinal cord-compressing cysts.
Area of Science:
- Neurology
- Pediatric Surgery
- Developmental Biology
Background:
- Enterogenous cysts are benign embryogenic tumors originating near the central nervous system.
- These cysts are typically asymptomatic in neonates.
- This case highlights a rare symptomatic presentation in a young infant.
Observation:
- A 16-day-old infant presented with discomfort, eye deviation, hypotonia, and hyperreflexia.
- The infant experienced apnea, cyanosis, bradycardia, and developed spastic quadriparesis with phrenic nerve paralysis.
- Initial EEG and brain ultrasonography were normal, but MR imaging revealed an intraspinal cyst compressing the spinal cord from C1 to C3.
Findings:
- Histological examination confirmed the cyst as enterogenous.
- The cyst was surgically excised and found to be unassociated with vertebral abnormalities.
- Early symptomatic presentation in an infant was observed.
Implications:
- This case underscores the importance of considering enterogenous cysts in neonates presenting with neurological symptoms.
- Early diagnosis via MR imaging is critical for timely intervention.
- Prompt surgical excision can lead to favorable outcomes in infants with symptomatic enterogenous cysts.
Background:
Enterogenous cysts are benign embryogenic tumors that developed close to the central nervous system. They are rarely symptomatic in neonates. This report describes such a cyst in a young infant that was discovered because of the discomfort it produced.
Case Report:
A 16 day-old boy suffered from discomfort during bathing followed by deviation of the eyes. He was given diazepam rectally. At admission, he had generalized hypotonia and hyperreflexia. CSF examination showed 1.7 g/l protein. A prolonged apnea with cyanosis and bradycardia required his admission to the intensive care unit, where a spastic quadriparesis with bilateral phrenic nerve paralysis was found. EEG and brain ultrasonography were normal. MR imaging showed an intraspinal cyst, locating from C1 to C3, that was compressing the spinal cord. The cyst was rapidly excised and histological examination confirmed that it was an enterogenous cyst.
Conclusion:
This cyst was not associated with vertebral abnormalities but did produce early symptoms. It was diagnosed by MR imaging.
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