Hydropic swell

Hydropic swelling is intracellular edema of keratinocytes, often seen with viral infections.^[1]

References

↑ Kumar, Vinay; Fausto, Nelso; Abbas, Abul (2004). Robbins & Cotran Pathologic Basis of Disease (7th ed.). Saunders. p. 1230. ISBN 0-7216-0187-1.

Macroscopic

Primary lesions	flat Macule Patch elevated Papule Nodule Plaque fluid Vesicle Bulla Pustule Ulcer Erosion Telangiectasia Special initial lesions : Burrow Tunnel Comedo Scutulum Target lesion Herald patch Wheal

Secondary lesions	Scale Crust Lichenification Excoriation Induration Atrophy

Microscopic

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