Subepidermal bullous disease

  • Little or no inflammatory cells
  1. epidermolysis bullosa
  2. coma or pressure bulla
  3. porphyria cutanea tarda
  4. blister above a scar
  5. bullous amyloidosis
  6. cell poor pemphigoid or EBA, linear IgA dermatoses

  •  Lymphocytic infiltrate

  1. erythema multiforme, SJS, TEN, fixed drug eruption
  2. bullous lichen planus
  3. lichen planus pemphigoides
  4. EB
  5. PLEVA
  6. lichen sclerosus


  •  Eosinophilic infiltrate 皮下紅色的一個派

  1. A: linear IgA dermatosis: but PMN with some eosinophil in 皮誌 
  2. pemphigoid group: 
    • bullous pemphigoid
    • pemphigus gestationis
    • cicatricial pemphigoid
  3. Insect bite
  4. EBA

  • Neutrophil infiltrate 皮下中性B領導
  1. BP
  2. L: bullous LE
  3. EBA
  4. A: linear IgA disease
  5. D: dermatitis herpetiformis
  7. LCV
  8. cellulitis
  • Mast cell predominant: 
  • urticaria pigmentosa


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