Plaque (medicine)

Plaque
Plaque
	Psoriasis plaque
Specialty	Dermatology
Symptoms	>1cm slightly elevated skin lesion

A plaque is a flat, thickened area of skin resulting from a merger of many small bumps.^[1] It may have a slight dip in the centre.^[1] It is typically wider than 1cm, can be felt, may be flat-topped or rounded, and is slightly elevated.^[2]

Definition

Papule and plaque

A plaque is a flat, thickened area of skin resulting from a merger of many small bumps.^[1]

Images

Granuloma annulare
Lichen planus
Mycosis fungoides

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.
↑ "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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[Andrews2020-1] 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.

[MSD-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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