Congenital Horner syndrome is a rare disorder that accounts for less than 5% of all cases of Horner syndrome. Like Horner syndrome in general, it consists primarily of ptosis, miosis, and anhidrosis. Congenital Horner syndrome may manifest some special features such as iris heterochromia since the sympathetic nervous system is an essential component for the development and maintenance of eye co...

BACKGROUND AND PURPOSE We prospectively studied the incidence and natural history of Horner syndrome following stent-supported percutaneous angioplasty of the carotid artery (SPAC). We assessed the hypothesis that postinterventional Horner syndrome is related to ipsilateral carotid wall hematoma. METHODS We performed duplex sonography of the carotid arteries and clinical examination in 28 con...

RATIONALE Horner syndrome is an unusual complication after thyroidectomy. PATIENT CONCERNS We report a case of Horner syndrome in a 34-year-old female patient with Graves disease associated with papillary thyroid carcinoma who underwent left-side minimally invasive video-assisted thyroidectomy and neck dissection. DIAGNOSIS Horner syndrome was diagnosed based on left myosis, eyelid ptosis, ...

CASE REPORTS We present four cases: two males with Horner Syndrome, who were diagnosed by means of apraclonidine 0.5% and cocaine 4% tests respectively. Two children with anisocoria, one of whom had Horner Syndrome confirmed with apraclonidine 1% and the other, in whom an apraclonidine test ruled out this syndrome but in whom pilocarpine 0.125% confirmed Adie's pupil. DISCUSSION Apraclonidine...

Horner syndrome is a combination of clinical signs, classically of ipsilateral ptosis, pupillary miosis and facial anhydrosis, secondary to the interruption of the oculosympathetic pathway. The causes include tumour infiltration, compression by a lesion such as an aneurysm, iatrogenic causes and traumatic injuries. This paper presents a case of Horner Syndrome due to a rare cause, a congenital ...

The predominant features of Harlequin syndrome are unilateral facial flushing and sweating. Harlequin syndrome has been reported in different clinical conditions including brain stem infarction, superior mediastinal neurinoma, and internal jugular vein catheterization.1,2 Idiopathic and iatrogenic cases have been reported. The clinical features of Horner syndrome are ptosis, miosis, enophthalmo...

PURPOSE To evaluate the frequency of etiologies of Horner syndrome in children and suggest an imaging and laboratory diagnostic protocol to evaluate for neuroblastoma and other lesions in a child presenting with Horner syndrome and no known cause. DESIGN Retrospective chart and data review. METHODS A retrospective review of all children seen at a large pediatric neuro-ophthalmology referral...

Introduction:The purpose of this study was to define the etiologies of Horner syndrome in the pediatric population. Methods: A retrospective review was performed of the medical records of all pediatric Horner syndrome patients (<18 years old) examined by the pediatric ophthalmology services at two large referral centers. Results: Seventythree pediatric Horner syndrome patients were identified. ...

Horner syndrome results from a disruption of the sympathetic nervous system input to the eye and orbit. Many causes have been described, including thoracostomy tubes, carotid artery dissection, herpes zoster ophthalmicus, various headache syndromes, Pancoast tumor, head and neck surgery, and local trauma. In the medical literature, Horner syndrome has been reported as a sequela of prolonged pos...