Crust (dermatology)
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| Pustule | |
|---|---|
| Other names: Scab[1] | |
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| Crust | |
 | |
| Specialty | Dermatology |
| Symptoms | Dry fluid on skin[1] |
| Causes | Pemphigus vulgaris,[2] impetigo,[3] scabies[4] |
| Diagnostic method | Visualisation[1] |
Crust, also known as a scab, is dry fluid on skin.[1] The fluid generally comprises of dried serum, blood or pus, and is mixed with skin cells and sometimes bacterial debris.[1] Bloody crust may appear red, purple or black.[5] Moist red skin is typically revealed when the crust falls off.[1]
Conditions that produce crust include and pemphigus vulgaris,[2] impetigo,[3] and scabies.[4]
Gallery
Impetigo with crusts
Crusted scabies
Crusted facial acne
Crusted eczema
Crusted squamous cell carcinoma
Pemphigus with crusts
Botryomycosis
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See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 James, William D.; Elston, Dirk; Treat, James R.; Rosenbach, Misha A.; Neuhaus, Isaac (2020). "2. Cutaneous signs and diagnosis". Andrews' Diseases of the Skin: Clinical Dermatology (13th ed.). Edinburgh: Elsevier. p. 13. ISBN 978-0-323-54753-6. Archived from the original on 2023-02-09. Retrieved 2023-02-09.
- ↑ 2.0 2.1 Morris-Jones, Rachael (2019). "1. Introduction". In Morris-Jones, Rachael (ed.). ABC of Dermatology (7th ed.). Hoboken: Wiley Blackwell. pp. 4–6. ISBN 978-1-119-48899-6. Archived from the original on 2023-02-09. Retrieved 2023-02-09.
- ↑ 3.0 3.1 Benedetti, Julia (December 2021). "Description of Skin Lesions - Dermatologic Disorders". MSD Manual Professional Edition. Archived from the original on 15 April 2022. Retrieved 15 May 2022.
- ↑ 4.0 4.1 Morris-Jones, Rachael (2019). "15. HIV and skin". In Morris-Jones, Rachael (ed.). ABC of Dermatology (7th ed.). Hoboken: Wiley Blackwell. pp. 128–129. ISBN 978-1-119-48899-6. Archived from the original on 2023-02-09. Retrieved 2023-02-09.
- ↑ Oakley, Amanda. "Terminology in dermatology | DermNet NZ". dermnetnz.org. Archived from the original on 9 March 2022. Retrieved 15 May 2022.