, Volume 32, Issue 3, p 531
Date: 19 Nov 2010

Horner syndrome following thyroidectomy

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Dear Editor,

Horner syndrome (HS) is due to the disruption of sympathetic innervation of the eye anywhere along its three-neuron circuit. The typical clinical feature includes a triad of ipsilateral blepharoptosis, pupillary miosis, and facial anhydrosis. Neoplasm of lung apex (Pancoast tumor), vascular injuries, syringohydromyelia, carotid dissection or fibromuscolar dysplasia, are the most common causes [1]. HS has only rarely been reported after thyroidectomy, with only 28 cases mostly published in surgical journals [2, 3].

Herein, we report a 56-year-old man exhibiting HS after total thyroidectomy. Patient came at our observation 40 days after surgical intervention for multinodular goiter. Histological examination on specimens from ablate thyroid tissue was negative for neoplasms. Immediately after awakening from anesthesia, mild myosis, eyelid ptosis and enophthalmos of the right eye were evident. Patient also exhibited a bitonal voice. Neurological examination was otherwise normal.