Caterpillar bodies in porphyria cutanea tarda and pseudoporphyria

Linear arrangement of segmented eosinophilic deposits parallel to the epidermal surface above the subepidermal blister.

Reproduced with permission from: Raso DS, Greene WB, Maize JC, et al. Caterpillar bodies of porphyria cutanea tarda ultrastructurally represent a unique arrangement of colloid and basement membrane bodies. Am J Dermatopathol 1996; 18:24. Copyright © 1996 Lippincott Williams & Wilkins.

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