Dermatomyositis

[ Home ] [ Up ]

Pages Below:

Dermatomyositis

• male : female 2:1
• Risk of malignancy
  • 30% at 30
  • 40% at 40
  • 50% at 50 ,etc.
• Overlap with Mixed Connective Tissue Disease
• Extension of Polymyositis

Examination

• Observation
  • cachexia
• Face 
  • heliotrope rash around eyes (with mild oedema)
• Hands
  • Nails
    • rash around nail bed
    • dilatation of nailfold capillaries
  • Skin
    • purple rash over knuckles
  • Raynaud's Phenomenon
• Other
  • proximal muscle weakness
  • muscle tenderness

Investigations

• creatinine kinase ↑
• ESR ↑
• EMG changes
• Muscle biopsy

Treatment

• oral steroids

[ Home ] [ Up ]