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855 Possible Causes for Blepharoptosis, Presynaptic Defect at the Neuromuscular Junction

  • Ptosis

    BACKGROUND: Involutional blepharoptosis is the most common type of acquired blepharoptosis.[ncbi.nlm.nih.gov] These disorders are distinguished by molecular defects and the localization of the dysfunction at the presynaptic, postsynaptic, and neuromuscular junction.[journals.lww.com] Transcutaneous blepharoptosis surgery - advancement of levator aponeurosis. Open Ophthalmol J. Dec 2010. 14:4:76-80. [Medline].[emedicine.com]

  • Smith Lemli Opitz Syndrome

    Clinical Characteristics Ocular Features: A large number of ocular anomalies have been found in SLO syndrome but the most common is blepharoptosis of some degree.[disorders.eyes.arizona.edu] These disorders are distinguished by molecular defects and the localization of the dysfunction at the presynaptic, postsynaptic, and neuromuscular junction.[journals.lww.com] […] reported between mid 1960’s and late1970’s suggested that both male and female were affected with a autosomal recessive inheritance pattern, and additional features were blepharoptosis[path.upmc.edu]

  • Lambert Eaton Myasthenic Syndrome

    A c.923C T variant affecting an adjacent residue (p.Pro308Leu) produced a presynaptic neuromuscular junction defect and a dominant hereditary motor neuropathy in a second[ncbi.nlm.nih.gov] Classification of congenital myasthenic syndrome Usually classified according to the defective site of the neuromuscular junction, it is often divided into presynaptic, synaptic[intechopen.com] Lambert–Eaton myasthenic syndrome (LEMS) is also an autoimmune disorder of the neuromuscular junction, but differently from MG, the defect of transmission is presynaptic type[ncbi.nlm.nih.gov]

  • Blepharitis

    Blepharitis ( BLEF-ər-EYE-tis) is one of the most common ocular conditions characterized by inflammation, scaling, reddening, and crusting of the eyelid. This condition may also cause burning, itching, or a grainy sensation when introducing foreign objects or substances to the eye. Although blepharitis is not[…][en.wikipedia.org]

    Missing: Presynaptic Defect at the Neuromuscular Junction
  • Transient Ischemic Attack

    A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by loss of blood flow (ischemia) in the brain, spinal cord, or retina, without tissue death (infarction). TIAs have the same underlying mechanism as ischemic strokes. Both are caused by a disruption in blood flow to the brain, or[…][en.wikipedia.org]

    Missing: Presynaptic Defect at the Neuromuscular Junction
  • Conjunctivitis

    Ligneous conjunctivitis is an uncommon and recurrent type of chronic conjunctivitis. A prevalent cause of this disease is a Plasminogen deficiency, resulting from recessive mutations in the human encoding plasminogen (PLG) gene. This deficiency affects the conjunctiva and also other mucous membranes. Only few[…][ncbi.nlm.nih.gov]

    Missing: Presynaptic Defect at the Neuromuscular Junction
  • Primary Progressive Multiple Sclerosis

    Primary progressive multiple sclerosis (PPMS) is one of the subtypes of multiple sclerosis (MS) distinguished by a slow and irreversible course of myelopathy and overall neurological decline. Contrary to other MS forms, significant female predilection is not observed. Spastic paraparesis and progressive ataxia are[…][symptoma.com]

    Missing: Presynaptic Defect at the Neuromuscular Junction
  • Graves Disease

    Graves' disease, also known as toxic diffuse goiter, is an autoimmune disease that affects the thyroid. It frequently results in and is the most common cause of hyperthyroidism. It also often results in an enlarged thyroid. Signs and symptoms of hyperthyroidism may include irritability, muscle weakness, sleeping[…][en.wikipedia.org]

    Missing: Presynaptic Defect at the Neuromuscular Junction
  • Subdural Hematoma

    A subdural hematoma (SDH) is a type of hematoma—usually associated with traumatic brain injury—in which blood gathers between the inner layer of the dura mater and the arachnoid mater. It usually results from tears in bridging veins that cross the subdural space. Subdural hematomas may cause an increase in[…][en.wikipedia.org]

    Missing: Presynaptic Defect at the Neuromuscular Junction
  • Heroin Dependence

    BACKGROUND: Heroin dependence is associated with a hyperactive hypothalamic-pituitary-adrenal (HPA) axis, proposed as a biological correlate of craving. Maintenance treatment with methadone normalizes HPA axis activity. Here, we examined HPA axis activity under maintenance treatment with the increasingly utilized[…][ncbi.nlm.nih.gov]

    Missing: Presynaptic Defect at the Neuromuscular Junction

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