It is characterized by miosis a constricted pupil, partial ptosis a weak, droopy eyelid, apparent anhydrosis decreased. Horners syndrome, or oculosympathetic paresis, results from interruption of the sympathetic trunk innervation to the eye and presents typically with meiosis, ptosis and facial anhydrosis on the affected side. Horners syndrome genetic and rare diseases information. Horner syndrome brain, spinal cord, and nerve disorders.
Horner syndrome is caused by an interruption of sympathetic nerves to the head, eye, and neck. Horners syndrome is a common neurological disorder of the eye and facial muscles and can occur suddenly. Horner syndrome is characterised by ptosis secondary to paralysis of the superior tarsal muscle, miosis, pseudoenophthalmos. Horner syndrome consists of unilateral ptosis, an ipsilateral miotic but normally reactive pupil, and in some cases, ipsilateral facial anhidrosis, all resulting from. We prospectively performed mr imaging in 33 patients with horners.
Involves lesion anywhere along the sympathetic tract. The signs and symptoms occur on the same side ipsilateral as it is a lesion of the sympathetic trunk. Horner syndrome horners syndrome results from an interruption of the sympathetic nerve supply to the eye and is characterized by the classic triad of miosis ie, constricted pupil, partial ptosis, and loss of hemifacial sweating ie, anhidrosis. A prompt diagnosis is crucial, given that horners syndrome could be a manifestation of a lifethreatening condition. Horner syndrome is a disorder that affects the eye and surrounding tissues on one side of the face and results from paralysis of certain nerves. There are three things that can happen to cause the damage to the nerve. Sindrom horner free download as powerpoint presentation. Horners syndrome symptoms, causes, treatment, pictures.
Posts about horner syndrome written by pilgrim bobby. Een pdf bewerken adobe acrobat dc adobe document cloud. The hallmark of horner syndrome is ptosis and miosis on the same side. Horner syndrome causes problems on one side of your face when the nerves there are damaged. Selective mr imaging approach for evaluation of patients. Although horner syndrome is not a rare condition, little is known of the fact that the syndrome may, in some cases, alternate from one side to the other, which. Apraclonidine is a weak alphaadrenergic agonist that minimally dilates the pupil of a normal eye. A condition resulting from interruption of the sympathetic nerve pathways to the eye, resulting in the drooping of the upper eyelid on one same side, the constriction of the pupil of that eye miosis, and with the lack of sweating anhidosis and flushing of the affected side of the face. Eagle syndrome occurs when an elongated styloid process causes otolaryngological or neurological symptoms or signs. Also known as hornerbernard syndrome, bernard syndrome, bernardhorner syndrome. The disruption of sympathetic innervation to the eye gives rise to a constellation of symptoms consisting of miosis, ptosis, and. The condition is named or coined after the person who first described the disease, dr. Bahan ajar ii sindrom horner universitas hasanuddin. In rare cases, horners syndrome is congenital present from birth and may be associated with a lack of pigmentation of the iris colored part of the eye.
Horners syndrome would then indicate for an underlying problem of. Horner, swiss ophthalmologist, 18311886 a neurological condition characterized by a constricted miotic pupil, ptosis, and facial anhidrosis, associated with a lesion in the spinal cord, with damage to a cervical nerve or any ascending part of the sympathetic outflow to the facehead. Horner syndrome can be caused by any interruption in a set of nerve fibers that start in the part of the brain called the hypothalamus and travel to the face and eyes. Pdf sivashakthi kanagalingam, neil r miller1department of ophthalmology, 2department of neurology, 3department of neurosurgery, the johns. Horners syndrome, also known as oculosympathetic paresis, is a combination of symptoms that arises when a group of nerves known as the sympathetic trunk is damaged. Alternating horner syndrome jama neurology jama network. The term horner syndrome is commonly used in englishspeaking countries, whereas the term ber. Hypoplasia of the ica is an uncommon congenital disease. Introduction the term horner syndrome is commonly used in english speaking countries, whereas the term bernardhorner syndrome is common in france horner syndrome horners syndrome results from an interruption of the sympathetic nerve supply to the eye. Pdf horner syndrome is an uncommon but important clinical entity, representing interruption of the sympathetic pathway to the eye and face. Horners syndrome is classically characterized by a triad of miosis, partial ptosis and anhidrosis. Horner syndrome consists of unilateral ptosis, an ipsilateral miotic. The etiology is due to an interruption in the sympathetic innervation to the eye.
Horner syndrome secondary to internal carotid artery dissection after. Neuroimaging strategies for three types of horner syndrome. Horner syndrome is a nerve condition that affects one side of your childs face. Horners syndrome bernardhorner syndrome, claude bernardhorner syndrome is caused by a lesion in the sympathetic nervous system and characterized by the classic triad of miosis, ptosis and decreased hemifacial sweating. Horner syndrome horner syndrome hs is oculosympatheticparesis loss of sympathetic innervation to the eye no major loss of ocular function vision and pupil reflexes remain intact the disorder is largely asymptomatic and oftenclinically subtle little need for therapeutic intervention hs may be caused by lesions associated. The nerve has been damaged somewhere before the nerve exits the spinal cord.
Slightly more than 100 cases have been reported in the literature, 1 though only a few cases have been reported in association with congenital horner syndrome. Isolated horner syndrome from an elongated styloid process. Horners syndrome, also known as oculosympathetic paresis, is a combination of symptoms that arises when a group of nerves known as the sympathetic trunk. A rare congenital form of horner s syndrome is described. If these nerve fibers are disrupted anywhere along their pathway, horner syndrome results. They exit the spinal cord in the chest, then go back up the neck beside the carotid artery, through the skull, and into the eye. Horners syndrome in dogs symptoms, causes, diagnosis. Horner syndrome as complication of acute sphenoid sinusitis. Horners syndrome in dogs occurs when a nerve going from the eye to the brain has been damaged. Horners syndrome nord national organization for rare.
Neuroimaging of horner syndrome neuroradiology pictorial essay neuroimaging strategies for three types of horner syndrome with emphasis on anatomic location jeong hyun lee1 ho kyu lee2 deok hee lee1 choong gon choi1 sang joon kim1 dae chul suh1 lee jh, lee hk, lee dh, choi cg, kim sj, suh dc keywords. Horner syndrome horner, mim143000 ipsilateral myosis, ptosis, and facial anhydrosis. He is the author of three books disputing the scientific evidence for manmade global warming. Avoid neck injury, so to avoid the hazards of acquiring horners syndrome. Horner syndrome classically presents as an ipsilateral enophthalmos, blepharoptosis, pupillary miosis and facial anhydrosis due to disruption at some point of the oculosympathetic pathway ptosis is due to interruption of the sympathetic motor innervation of the superior tarsal muscle which is a small muscle composed of smooth muscle fibers intimately associated with the undersurface of. These signs result from damage to a specific nerve supply to the eye, called the sympathetic nerve supply. In children, unless there is a known aetiology such as birth trauma, acquired horner s syndrome requires thorough investigation. Spinal cord lesions that may cause a central horner syndrome. Scribd is the worlds largest social reading and publishing site. When certain drugs have caused for the symptoms of the condition, we need to consult our doctor and report for the unusuality. Horner syndrome united states pdf ppt case reports. Scheme showing sympathetic and parasympathetic innervation of the pupil and sites of a lesion in horners syndrome. These nerve fibers are involved with sweating, the pupils in your eyes, and the upper and lower eyelid muscles. Some of the nerve fibers that connect the eyes and brain take a circuitous route.
Typically, horner syndrome results in a decreased pupil size, a drooping eyelid and decreased sweating on the affected side of your face. Horners syndrome, or oculosympathetic paresis, results from interruption of the sympathetic trunk innervation to the eye and presents typically with meiosis, ptosis and facial anhydrosis on the. Horner syndrome is a classic neurologic syndrome whose signs include miosis, ptosis, and anhidrosis. Read more about symptoms, diagnosis, treatment, complications, causes and prognosis. Appropriate imaging requires an anatomical appreciation of the. Horner syndrome is a combination of signs and symptoms caused by the disruption of a nerve pathway from the brain to the face and eye on one side of the body. The underlying causes of horners syndrome vary greatly and may include a tumor, stroke, injury, or underlying disease affecting the areas surrounding the sympathetic nerves.
A case of horners syndrome and delayed polyneuropathy due to dichlorvos intoxication. The sympathetic nerve supply travels from the brain down the spinal cord into the chest. Horners syndrome is also referred as bernardhorner syndrome and oculosympathetic palsy. To assess the usefulness of mr in the ealuation of patients with horners syndrome. Also called oculosympathetic paresis, a horner syndrome can be produced by a lesion anywhere along the sympathetic pathway that supplies the head, eye, and neck. An interruption of the sympathetic nerve supply to the eye should produce the classic triad of. Learn vocabulary, terms, and more with flashcards, games, and other study tools. When horner syndrome is suspected, pharmacologic testing with cocaine or apraclonidine should be performed to. A case of horner syndrome with intermittent mydriasis in a. Horners syndrome secondary to neuroblastoma houston. Horner syndrome is described in this case report as a rare complication of bacterial sphenoid sinusitis.
Horners syndrome definition of horners syndrome by. We report a patient who had an isolated asymptomatic horner syndrome that resulted from a pinned internal carotid artery being dynamically injured by. Selective mr imaging approach for evaluation of patients with horners syndrome kathleen b. Horner syndrome is a relatively rare disorder characterized by a constricted pupil miosis, drooping of the upper eyelid ptosis, absence of sweating of the face anhidrosis, and sinking of the eyeball into the bony cavity that protects the eye enophthalmos. It can have many different symptoms, such as small pupils or droopy eyelids. Dysfunction of the sympathetic nerves of the eyes and surrounding facial muscles causes horners syndrome and may be due to an injury such as a bite wound or blunt trauma, a tumor, intervertebral disc disease, or middle or inner ear disease.
The less common secondary symptoms of anhydrosis and inverse ptosis of the ipsilateral lower eyelid may also be present. Sindrom horner s adalah suatu sindrom yang terdiri dari kelainan berupa masuknya bola mata, ptosis kelopak mata atas, kelopak mata atas sedikit naik, kontraksi dari pupil, penyempitan dari fissura palpebra, anhidrosis dan warna kemerahan di sisi wajah yang sakit, disebabkan oleh paralisasis saraf simpatis servikal. Horner syndrome definition of horner syndrome by medical. Horner syndrome is characterised by ptosis secondary to paralysis of the superior tarsal muscle, miosis, pseudoenophthalmos, and. If a postganglionic lesion is present peripheral horner syndrome, the pupil of the affected eye dilates much more than that of the unaffected eye because the iris dilator muscle of the affected eye has lost its sympathetic innervation and has developed adrenergic supersensitivity. Lees hoe je pdfbestanden bewerkt, en tekst en afbeeldingen in pdf documenten snel en eenvoudig. The signs of horners syndrome include a sunken eye, a small pupil, an elevated third eyelid and a droopy upper eyelid.