Skin-di-VISUALS: IgA Gammopathies

Neither could I, but I remember now with this simple but powerful visual mnemonic Just remember “SWEED as PYE”

• Sweet syndrome
• EED; erythema elevatum dilution
• Pyoderma gangrenosum (when associated with gammopathy)
• Subcorneal pustular dermatosis (important point here)
  • Visual cue- think of the pie crusts like the characteristic subcorneal pustules of this condition.
  • Of note: DIF is NEGATIVE for IgA but still a/w IgA gammopathy
• IgA pemphigus
  • Visual cue- think of the pie crusts like the characteristic subcorneal pustules of this condition.
  • DIF is POSITIVE AND can be a/w IgA gammopathy
  • Weaker IgA association than the above three diagnoses

Mnemonic nerds like myself will recognize that this is an acronym nemonic combined with a phonetic mnemonic.