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7,338 Possible Causes for EMG Shows Evidence of Reinnervation, Muscle Biopsy Abnormal, Muscle Weakness

  • Motor Neuron Disease

    For patients with MND affecting the LMNs, the EMG will show evidence of: (1) acute denervation, which is ongoing as motor neurons degenerate, and (2) chronic denervation and[en.wikipedia.org] The results of electromyography and muscle biopsy were compatible with ALS. However, supranuclear vertical gaze palsy and slow saccades are seen.[ncbi.nlm.nih.gov] […] wasting and weakness, absent reflexes, loss of weight and muscle twitching.[mndnsw.asn.au]

  • Muscular Dystrophy

    This condition is typically characterized by large and abnormally distributed mitochondria on muscle biopsy, which can distinguish this condition from the other muscle conditions[ncbi.nlm.nih.gov] It causes progressive weakness in muscles of the face, arms, legs, and around the shoulders and chest.[ninds.nih.gov] Under the microscope, the muscle of a positive biopsy generally shows dead tissue and abnormally large muscle fibers.[cedars-sinai.edu]

    Missing: EMG Shows Evidence of Reinnervation
  • Duchenne Muscular Dystrophy

    Diagnosis of Duchenne Muscular Dystrophy A muscle biopsy (taking a sample of muscle) for dystrophin studies can be done to look for abnormal levels of dystrophin in the muscle[disabled-world.com] Occasionally, however, females who carry a DMD gene mutation may have muscle weakness and cramping.[ghr.nlm.nih.gov] […] fibers) For Duchenne and Becker muscular dystrophies, muscle biopsy may show whether dystrophin, a muscle protein, is missing or abnormal, and DNA testing is used to analyze[webmd.com]

    Missing: EMG Shows Evidence of Reinnervation
  • Polymyositis

    Muscle biopsy abnormalities at some time during their disease: i. degeneration and regeneration of muscle fibers ii. necrosis iii. phagocytosis iv. interstitial mononuclear[clinicaltrials.gov] Some cases of polymyositis have manifestations of muscle weakness in the orbital muscles. Rare cases also have weaknesses in facial and bulbar muscles.[symptoma.com] Laboratory testing showed elevated muscle enzymes and myopathic abnormalities on electromyographic examination.[ncbi.nlm.nih.gov]

    Missing: EMG Shows Evidence of Reinnervation
  • MELAS Syndrome

    Electron microscopy of a muscle biopsy sample revealed mitochondria with abnormally arranged cristae and abnormal electron densities.[mja.com.au] Early symptoms may include muscle weakness and pain, recurrent headaches, loss of appetite, vomiting, and seizures.[en.wikipedia.org] Histologically, there are ragged red fibres on muscle biopsy and accumulation of abnormal mitochondria in smooth muscle.[omicsonline.org]

    Missing: EMG Shows Evidence of Reinnervation
  • Limb-Girdle Muscular Dystrophy

    Muscle biopsy abnormalities in two individuals very early in the course of their disease suggest that biopsy would probably be useful in detection of preclinical disease in[pediatrics.aappublications.org] However, most patients in the current family showed distal as well as proximal limb weakness rather than weakness of toe and finger flexor muscles that were typical features[ncbi.nlm.nih.gov] Some LGMD subtypes have distinguishing features, including pattern of muscle involvement, cardiac abnormalities, extramuscular involvement, and muscle biopsy findings.[ncbi.nlm.nih.gov]

    Missing: EMG Shows Evidence of Reinnervation
  • Dermatomyositis

    Muscle biopsy abnormalities at some time during their disease: i. degeneration and regeneration of muscle fibers ii. necrosis iii. phagocytosis iv. interstitial mononuclear[clinicaltrials.gov] Symptoms may include: Muscle weakness, stiffness, or soreness Problems swallowing Purple color to the upper eyelids Purple-red skin rash Shortness of breath The muscle weakness[nlm.nih.gov] Muscle biopsy abnormalities at some time during their disease: Muscle fiber destruction; Muscle fiber regeneration; Perivascular and interstitial inflammatory infiltrates[clinicaltrials.gov]

    Missing: EMG Shows Evidence of Reinnervation
  • Facioscapulohumeral Muscular Dystrophy

    If genetic testing does not confirm the diagnosis, then muscle biopsy can be done.[merckmanuals.com] BACKGROUND: Although muscle weakness is a hallmark of facioscapulohumeral muscular dystrophy (FSHD), the molecular mechanisms that lead to weakness in FSHD remain largely[ncbi.nlm.nih.gov] Doctors can tell a lot from a biopsy sample, which can be subjected to many types of biochemical tests to reveal cellular and molecular abnormalities that suggest certain[web.archive.org]

    Missing: EMG Shows Evidence of Reinnervation
  • Erb Muscular Dystrophy

    biopsy (examination of a sample of the weak muscle tissue under a microscope), and genetic testing.[msdmanuals.com] Weakness is generally asymmetric and may spare the deltoid, supraspinatus, and infraspinatus muscles.[checkorphan.org] Muscle weakness may spread from the proximal muscles to affect distal muscles.[rarediseases.org]

    Missing: EMG Shows Evidence of Reinnervation
  • Childhood Dermatomyositis

    The subsequent list, derived from the first survey, comprised MRI abnormalities suggestive of inflammatory myositis; calcinosis; changes on muscle biopsy typical of myositis[rheumatology.oxfordjournals.org] In a second flare in childhood, she developed proximal muscle weakness and calcinosis cutis. A muscle biopsy was consistent with juvenile dermatomyositis.[ncbi.nlm.nih.gov] […] weakness, raised serum muscle enzymes, electromyographic abnormalities and consistent muscle biopsy findings .[indianpediatrics.net]

    Missing: EMG Shows Evidence of Reinnervation

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