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1,215 Possible Causes for Myopathy, Vitamin B12 Deficiency

  • Adrenal Insufficiency

    Patients with acute adrenal insufficiency may have musculoskeletal symptoms including flexion contractures, myopathy and hyperkalaemic neuromyopathy.[ncbi.nlm.nih.gov] Chronic atrophic gastritis and vitamin B12 deficiency. Coeliac disease. Hypoparathyroidism. Inheritance : Autosomal recessive. Complex genetic factors.[patient.info] Conditions associated with APS type 1 include: Addison’s disease Diminished parathyroid function Delayed or slow sexual development Vitamin B12 malabsorption / deficiency[endocrineweb.com]

  • Intramuscular Injection

    We report a patient in whom chronic intramuscular piritramide led to a focal fibrotic myopathy.[ncbi.nlm.nih.gov] This 52-year-old lady was diagnosed as a case of megaloblastic anemia secondary to dietary vitamin B12 deficiency.[ncbi.nlm.nih.gov] The biopsy showed centronuclear myopathy and, in addition, an unusual granulomatous inflammatory infiltrate.[ncbi.nlm.nih.gov]

  • Facioscapulohumeral Muscular Dystrophy

    To report cases of chronic autoimmune necrotizing myopathy with anti-signal recognition particle antibodies (anti-SRP myopathy) initially misdiagnosed as muscular dystrophy[ncbi.nlm.nih.gov] Ask Well Photo Credit Tony Cenicola/The New York Times What Are the Effects of Vitamin B12 Deficiency?[nytimes.com] Most genetically confirmed FSHD patients exhibit unspecific morphological signs of a degenerative myopathy.[ncbi.nlm.nih.gov]

  • Myotonia Congenita

    Heterozygotes are often asymptomatic but for some mutations heterozygosity is sufficient to cause pronounced myotonia, although without weakness and myopathy.[ncbi.nlm.nih.gov] Ask Well Photo Credit Tony Cenicola/The New York Times What Are the Effects of Vitamin B12 Deficiency?[nytimes.com] However, a deficiency of the enzyme has been described in many conditions, including myopathies, neuropathies, and motor neuron disease.[ncbi.nlm.nih.gov]

  • Inclusion Body Myositis

    The comorbidity of inclusion body myositis and sarcoid myopathy is rare.[ncbi.nlm.nih.gov] Four out of six patients presented extraglandular manifestations, such as arthralgias, vitamin B12 deficiency, interstitial kidney disease and biliary cirrhosis.[ncbi.nlm.nih.gov] Sporadic inclusion body myositis (sIBM) is an insidious late-onset progressive myopathy that typically affects patients over the age of 50.[ncbi.nlm.nih.gov]

  • Polymyositis

    Furthermore, glucocorticosteroid (GC) toxicity leads to a significant disability known as steroid myopathy, particularly in elderly patients.[ncbi.nlm.nih.gov] Ask Well Photo Credit Tony Cenicola/The New York Times What Are the Effects of Vitamin B12 Deficiency?[nytimes.com] myopathies.[ncbi.nlm.nih.gov]

  • Rhabdomyolysis

    […] for patients with mitochondrial myopathies. 5 Conclusion Mitochondrial myopathies should be considered in patients presenting with recurrent muscle pain and elevation of[jaoa.org] Ask Well Photo Credit Tony Cenicola/The New York Times What Are the Effects of Vitamin B12 Deficiency?[nytimes.com] Zocor Myopathy A number of patients have reported the onset of Zocor myopathy.[drugdangers.com]

  • Dementia

    ., Jimenez-Mallebrera C. (2017) Differences in adipose tissue and lean mass distribution in patients with collagen VI related myopathies are associated with disease severity[recercasantpau.cat] The main reversible causes of dementia include vitamin B12 deficiency, hypothyroidism, neurosyphilis and Lyme disease.[symptoma.com] B12 deficiency Low levels of thyroid hormones, called hypothyroidism Low blood sugar , called hypoglycemia HIV-associated neurocognitive disorders (HAND) These forms of dementia[webmd.com]

  • Spinal Muscular Atrophy

    Owing to the similar clinical features of SMA and congenital myopathy, an electrodiagnostic study and muscle biopsy could create confusion in the correct diagnosis in some[ncbi.nlm.nih.gov] Ask Well Photo Credit Tony Cenicola/The New York Times What Are the Effects of Vitamin B12 Deficiency?[nytimes.com] Differential diagnosis Differential diagnoses include SMA2, congenital muscular dystrophies, congenital myopathies, some early-onset mitochondrial disorders, and carbohydrate[orpha.net]

  • Lambert Eaton Myasthenic Syndrome

    Lambert-Eaton myasthenic syndrome (LEMS) is a rare condition, which may mimic myopathy.[ncbi.nlm.nih.gov] Electromyography results were consistent with moderate myopathy accompanied with a pattern suggestive of Lambert-Eaton myasthenic syndrome.[ncbi.nlm.nih.gov] EMG helps to differentiate LEMS from other causes of cancer-associated weakness, such as myopathy and polyneuropathy.[cmaj.ca]

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