Abstract
A 31-year-old man with cervical degenerative disc disease was seen at an outside institution for a right selective nerve root block at C7. Following the procedure, he had right ptosis and miosis. Pharmacologic testing confirmed a right Horner syndrome. MRI and MRA showed no arterial dissection. This report documents the unusual occurrence of permanent Horner syndrome following a selective cervical nerve root block.
MeSH terms
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Adult
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Anti-Inflammatory Agents / administration & dosage
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Anti-Inflammatory Agents / adverse effects*
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Horner Syndrome / chemically induced*
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Horner Syndrome / diagnosis
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Humans
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Iatrogenic Disease / prevention & control
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Male
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Nerve Block / adverse effects*
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Nerve Block / methods
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Radiculopathy / diagnosis
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Radiculopathy / drug therapy*
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Triamcinolone Acetonide / administration & dosage
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Triamcinolone Acetonide / adverse effects*
Substances
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Anti-Inflammatory Agents
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Triamcinolone Acetonide