Crust (dermatology)

Crusts are dried serum, pus, or blood usually mixed with epithelial and sometimes bacterial debris.^[1]

References

↑ James, William; Berger, Timothy; Elston, Dirk (2005) Andrews' Diseases of the Skin: Clinical Dermatology (10th ed.). Saunders. Page 17. ISBN 0721629210.

Clinical and histological nomenclature for skin lesions

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

keratin: Hyperkeratosis
Parakeratosis
Dyskeratosis

Hypergranulosis
Acanthosis
Papillomatosis
Acantholysis
Spongiosis
Hydropic swelling
Exocytosis
Vacuolization
Erosion
Ulceration
Lentiginous

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Crust (dermatology)

See also

References