DISEASES
description
Multifocal motor neuropathy (MMN) is a rare neuropathy characterized by progressive, asymmetric muscle weakness and atrophy (wasting). Signs and symptoms may include weakness in the hands and lower arms; cramping; involuntary contractions or twitching; wrist drop or foot drop, and atrophy of affected muscles.
Symptoms
- Weakness
- Cramping
- Involuntary contractions or twitching
- Wrist drop or foot drop
- Wasting (atrophy) of affected muscles
- Muscles of the hands and lower arms are most commonly affected, but muscles of the lower limbs may also be involved
- The symptoms are often asymmetrical, meaning that they differ on the right and left side of the body
Relevant Dx Tests
Related Dx Tests
- High-Sensitivity Neurofilament – Heavy Chain (pNF-H)
- Anti‐DPPX (dipeptidyl aminopeptidase‐like 6)
- Anti-VGKC (Voltage gated potassium channel)
- Anti‐GABAB Receptor
- Anti‐AMPA Receptor
- Anti‐Myelin Associated Glycoproteins (MAG)
- Anti‐GAD 65 (Glutamate Decarboxylase)
- Sjögren Syndrome / Disease Panel
- Systemic Lupus Erythematosus Panel
- Anti Domain 1 Beta-2 Glycoprotein 1
- Anti-Phosphatidylserine / Prothrombin Complex
- Paraneoplastic Disease Panel PLUS