J Electrodiagn Neuromuscul Dis.  2023 Dec;25(3):135-141. 10.18214/jend.2023.00080.

Chronic Inflammatory Demyelinating Polyradiculoneuropathy Misdiagnosed as Amyotrophic Lateral Sclerosis in a Patient with Diabetes Mellitus

Affiliations
  • 1Department of Neurology, Chungnam National University Sejong Hospital, Sejong, Korea
  • 2Department of Neurology, Chungnam National University Hospital, Daejeon, Korea
  • 3Department of Pathology, Chungnam National University College of Medicine, Daejeon, Korea

Abstract

Gradual progressive weakness in a patient with diabetes mellitus can be caused by several conditions, including myelopathy, motor neuron disease, chronic inflammatory demyelinating polyradiculoneuropathy (CIDP), and myopathy. Diagnosing the exact cause of progressive muscle weakness can be challenging in the presence of diabetic polyneuropathy (DPN). We report a case of CIDP with DPN in a 64-year-old woman who was initially misdiagnosed with amyotrophic lateral sclerosis. This case also demonstrates the importance of using the correct dose and duration for the treatment of CIDP.

Keyword

Polyradiculoneuropathy, chronic inflammatory demyelinating; Amyotrophic lateral sclerosis; Diabetic neuropathies
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