Pyoderma gangrenosum

external

• Causes

  • Inflammatory bowel disease
  • Rheumatoid disease
  • Myelofibrosis
  • Chronic active hepatitis
  • Wegeners granulomatosis
  • Psoriatic arthropathy
  • Sarcoidosis
  • Systemic lupus erythematosus
  • Leukaemia
  • Primary biliary cirrhosis
  • Leucocytoclastic vasculitis
  • Myeloma
  • Lymphoma
  • Polycythaemia rubra vera
  • Diabetes mellitus
  • Monoclonal gammopathy of unknown significance

• Effects

  • Positive pathergy test
  • Necrotic skin lesion

• Parents

  • Skin signs on observation

• Treatments

  • Dapsone
  • Glucocorticoid