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The case report presents a patient, who was examined at our department due to anisocoria that was present for more than one year. Besides the anisocoria the patient had no other pathological symptoms. The pupil on the right eye was larger than on the left eye by more than 1mm. Photoreaction was present on both eyes with a dilatation deficit on the left eye. There was also a slight ptosis on the left. The anterior and posterior eye segment was normal, only the iris of the left eye was slightly decoloured. The ophthalmological finding was pointing to Horner syndrome on the left side. The cause of the syndrome was not found. The case report discusses current problems of pharmacological pupillary tests used in Horner syndrome. Alternatives to the standard cocaine test are proposed, with respect to substances currently available in the Czech Republic.
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PMID:[Pharmacological Tests for Horner Syndrome - Case Report]. 2734 Oct 98

A 29-year-old woman underwent resection of a left anterior mediastinal thymoma and pleurectomy. Postsurgical FDG PET/CT scan demonstrated FDG avidity in the right neck and upper thoracic fat but relatively absent FDG-avid fat in the left neck and upper thorax. Bilateral FDG-avid fat was also apparent in the lower chest and upper abdomen. After surgery, the patient demonstrated Horner syndrome, with left-sided ptosis, miosis, and facial anhidrosis. It is hypothesized that left-sided sympathetic nerves were compromised during surgery, leading to Horner syndrome and denervation of ipsilateral brown fat. The unilateral FDG avidity should not be mistaken for malignancy.
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PMID:Unilateral Suppression of Brown Fat on FDG PET/CT in Horner Syndrome. 2745 97

Understanding the anatomy and physiology of the eye, the orbit, and the central connections is key to understanding neuro-ophthalmologic emergencies. Anisocoria is an important sign that requires a systematic approach to avoid misdiagnosis of serious conditions, including carotid dissection (miosis) and aneurysmal third nerve palsy (mydriasis). Ptosis may be a sign of either Horner syndrome or third nerve palsy. An explanation should be pursued for diplopia since the differential diagnosis ranges from the trivial to life-threatening causes.
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PMID:Neuro-Ophthalmology in Emergency Medicine. 2774 97

Horner syndrome is rarely observed in connection with epidural anesthesia. It is characterized by ptosis, enophthalmos, miosis, anisocoria, and conjunctival hyperemia in the affected eye, as well as anhydrosis and flushing on the affected side of the face. It is usually a complication spontaneously resolved without permanent neurological deficits. Intraoral anesthesia; stellate ganglion, cervical or brachial plexus blocks; thoracic, lumbar or caudal epidural anesthesia, and intrapleural analgesia are the main causes for Horner syndrome related to anesthesia. Among other causes of Horner syndrome are head and neck surgery, trauma, and puncture of internal jugular vein. The present case of unilateral Horner syndrome appeared in the aortobifemoral bypass after lumbar spinal- epidural anesthesia.
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PMID:[Horner syndrome following combined spinal-epidural anesthesia]. 2781 34

A 58-year-old right-handed woman presented with neck pain and right hemibody decreased pain and temperature sensation. Over the next 3 days, she developed left ptosis and miosis. The Horner syndrome was confirmed with 0.5% apraclonidine and neuromyelitis optica immunoglobulin G antibody titres were positive. Magnetic resonance imaging of the cervical spine showed a longitudinally extensive intramedullary expansile lesion more prominent on the left, with post-contrast enhancement extending from C2 to C5, consistent with neuromyelitis optica. This patient was diagnosed with neuromyelitis optica with an associated left Horner syndrome.
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PMID:Horner Syndrome in a Case of Neuromyelitis Optica. 2792 79

Joubert syndrome (JS) is characterized by the "molar tooth sign" (MTS) with cerebellar vermis agenesis, episodic hyperpnea, abnormal eye movements, and hypotonia. Ocular and oculomotor abnormalities have been observed; however, Horner syndrome (HS) has not been documented in children with JS. We present the case of a 2-month-old boy having ocular abnormalities with bilateral nystagmus, left-dominant bilateral ptosis, and unilateral miosis and enophthalmos of the left eye, which were compatible with HS. Brain magnetic resonance imaging (MRI) revealed the presence of the MTS. Neck MRI showed no definite lesion or mass around the cervical sympathetic chain. His global development was delayed. He underwent ophthalmologic surgery, and showed some improvement in his ptosis. To the best of our knowledge, the association of HS with JS has not yet been described. We suggest that early neuroimaging should be considered for neonates or young infants with diverse eye abnormalities to evaluate the underlying etiology.
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PMID:A neonate with Joubert syndrome presenting with symptoms of Horner syndrome. 2801 41

Horner syndrome (HS), caused by an interruption in the oculosympathetic pathway, is characterised by myosis, ipsilateral blepharoptosis, enophthalmos, facial anhydrosis, and vascular dilation of the lateral part of the face. HS is a rare complication of thyroidectomy. A 15-year-old female patient presented with solitary solid and large nodule in the right thyroid lobe. Ultrasound-guided fine-needle aspiration was performed and the cytological examination results were undefined. The patient underwent a total thyroidectomy. On postoperative day 2, she developed right-sided myosis and upper eyelid ptosis. HS was diagnosed. Interestingly, the patient exhibited an incomplete clinical syndrome with the absence of vasomotor symptoms. We herein report a case of HS in a 15-year-old female patient after total thyroidectomy. The possible causes of HS were ischaemia-induced nerve damage and stretching of the cervical sympathetic chain by the retractor during thyroidectomy. Clinicians should be aware of the possibility of this rare but important surgical complication.
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PMID:Horner Syndrome Secondary to Thyroid Surgery. 2813 54

Harlequin syndrome is a rare autonomic disorder referring to the sudden development of flushing and sweating limited to one side of the face. Like Horner syndrome, associating miosis, ptosis, and anhidrosis, Harlequin syndrome is caused by disruption of the cervical sympathetic pathways. Authors of this report describe the case of a 55-year-old female who presented with both Harlequin sign and Horner syndrome immediately after anterior cervical discectomy (C6-7) with cage fusion and anterior spondylodesis. They discuss the pathophysiology underlying this striking phenomenon and the benign course of this condition. Familiarity with this unusual complication should be of particular interest for every specialist involved in cervical and thoracic surgery.
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PMID:Harlequin sign concomitant with Horner syndrome after anterior cervical discectomy: a case of intrusion into the cervical sympathetic system. 2829 13

Transient ptosis is a known complication of botulinum toxin (BoNT) injection due to inadvertent migration of toxin into the levator palpebrae superioris muscle. Currently there is no treatment available for BoNT induced ptosis. Apraclonidine hydrochloride is a topical ophthalmic solution with selective alpha-2 and weak alpha-1 receptor agonist activity that has the ability to elevate the eye lid. Apraclonidine has been used as a diagnostic test in Horner's syndrome. We evaluated the effects apraclonidine in a cohort of BoNT induced ptosis and a patient with Horner syndrome. Each patient was administered 2 drops of apraclonidine 0.5% solution to the eye with the ptosis and was re-examined 20-30min later. All 6 patients showed improvement in ptosis. There was also improvement in ptosis in a patient with Horner's syndrome. Apraclonidine is not only useful as a diagnostic test in Horner's syndrome, but may be an effective and safe treatment for BoNT-induced ptosis.
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PMID:Apraclonidine in the treatment of ptosis. 2924 26

Horner syndrome consists of unilateral ptosis, an ipsilateral miotic but normally reactive pupil, and in some cases, ipsilateral facial anhidrosis, all resulting from damage to the ipsilateral oculosympathetic pathway. Herein, we review the clinical signs and symptoms that can aid in the diagnosis and localization of a Horner syndrome as well as the causes of the condition. We emphasize that pharmacologic testing can confirm its presence and direct further testing and management.
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PMID:Horner syndrome: clinical perspectives. 2853 93


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