Plaque (medicine)
| Plaque | |
|---|---|
 | |
| Psoriasis plaque | |
 | |
| Specialty | Dermatology[1] |
| Symptoms | >1cm slightly elevated skin lesion[1] |
A plaque is a thickened area of skin resulting from a merger of many small bumps.[1][2] It is typically wider than 1cm and feels different to surrounding skin.[3] It may be flat-topped or rounded, is slightly elevated and may have a slight dip in the centre.[1][3] Plaque edges can be well-defined or ill-defined.[2]
Definition
Papule and plaque
A plaque is a flat, thickened area of skin resulting from a merger of many small bumps.[1] The term originates from the French word for plate.[2]
They can be of various shapes; annular, arcuate, polygonal, polymorphic, serpiginous, or poikilodermatous.[2]
Causes
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References
- 1 2 3 4 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.). Elsevier. p. 11. ISBN 978-0-323-54753-6.
- 1 2 3 4 "Terminology in dermatology". dermnetnz.org. Archived from the original on 9 March 2022. Retrieved 29 March 2023.
- 1 2 "Description of Skin Lesions - Dermatologic Disorders". MSD Manual Professional Edition. Archived from the original on 15 April 2022. Retrieved 14 August 2022.
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