Neuromuscular

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Metabolic & Systemic Disorders

Endocrine
Hematologic
Hepatic
Renal

RENAL FAILURE

Polyneuropathy

Mononeuropathy

Neuromuscular junction

Myopathy


Nephrogenic Fibrosis (Nephrogenic fibrosing dermopathy) 2

Nephrogenic fibrosis: MRI
  • Subcutaneous tissue: Thickened
  • Muscles
    • Patchy high T2 signal
    • MRI shows changes in: Vastus lateralis (Large arrow) & Gracilis (Small arrow) on right
  • Fascial planes: Increased signal

HEPATIC DISORDERS


Hepatic Demyelinating Neuropathy
Hepatic myelopathy 1

Hematologic Disorders

Myopathies + 5

Hemochromatosis 3


Retinitis Pigmentosa + Myopathy 6

  Retinol dehydrogenase 11 (RDH11) ; Chromosome 14q24.1; Recessive

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References
1. Neurology 2000;54:1011
2. Muscle Nerve 2004;30:569–577
3. J Neurol 2010; Online April
4. Clin Neurophysiol 2021;132:3125-3135
5. Muscle Nerve 2022 Jan 5
6. Clin Genet 2022 Jan 6

1/9/2022