Abstract
Background
Horner syndrome in children is rare. The frequency and spectrum of malignancy as the cause of Horner syndrome in children remains unclear. Also unclear is whether the imaging work-up should include the entire oculo-sympathetic pathway or should be more targeted. In addition, the value of cross-sectional angiographic imaging in Horner syndrome is uncertain.
Objective
To review imaging pathology in a cohort of children with Horner syndrome at a major academic pediatric medical center.
Materials and methods
We reviewed a 22-year period of CT and MR imaging studies in children with a clinical diagnosis of Horner syndrome referred for imaging.
Results
We found 38 patients who fulfilled study criteria of Horner syndrome and 6/38 had relevant imaging findings: 2/6 etiologies were neoplastic (congenital neuroblastoma and central astrocytoma), 1/6 had a vascular abnormality (hypoplastic carotid artery), 1/6 had maldevelopment (Chiari I malformation), and 2/6 had inflammatory/traumatic etiology (viral cervical lymphadenopathy, post jugular vein cannulation). There was a similar number of congenital and acquired pathologies. The malignancies were found at any level of the oculosympathetic pathway.
Conclusion
There are treatable causes, including malignancies, in children presenting with Horner syndrome, which justify imaging work-up of the entire oculosympathetic pathway, unless the lesion level can be determined clinically.
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Abbreviations
- CT:
-
Computed tomography
- CTA:
-
CT angiogram
- MRI:
-
Magnetic resonance imaging
- MRA:
-
MRI angiogram
- ICU:
-
Intensive care unit
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Kadom, N., Rosman, N.P., Jubouri, S. et al. Neuroimaging experience in pediatric Horner syndrome. Pediatr Radiol 45, 1535–1543 (2015). https://doi.org/10.1007/s00247-015-3341-9
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DOI: https://doi.org/10.1007/s00247-015-3341-9