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Seborrheic keratosis - Anogenital in
See also in: Overview,External and Internal Eye,Hair and Scalp
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Seborrheic keratosis - Anogenital in

See also in: Overview,External and Internal Eye,Hair and Scalp
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Contributors: Kudakwashe K. Maloney MD, MPhil, Belinda Tan MD, PhD, Callyn Iwuala BA, Oyetewa Oyerinde MD, Susan Burgin MD
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Synopsis

Seborrheic keratosis : Verrucous scaly papule
Seborrheic keratoses (SKs) are extremely common benign neoplasms of the epidermis that typically appear on the chest and the back. There can be a few or hundreds of these raised, "stuck-on"-appearing papules and plaques with well-defined borders. The etiology is unknown, although there is a familial trait for the development of multiple SKs with an autosomal dominant mode of inheritance. SKs tend to increase in incidence and number with increasing age. They may start out as a flat, wrinkled plaque with a "postage stamp" appearance (flat seborrheic keratosis). SKs are asymptomatic, but when irritated or traumatized, they may become pruritic or painful with associated redness or bleeding.

SKs may rarely arise on the vulva. SKs in the genital area have been associated with the presence of human papillomavirus (HPV) infection as identified by polymerase chain reaction.

Codes

ICD10CM:
L82.1 – Other seborrheic keratosis

SNOMEDCT:
25499005 – Seborrheic keratosis

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Diagnostic Pearls

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Differential Diagnosis & Pitfalls

Best Tests

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Management Pearls

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Therapy

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Drug Reaction Data

Below is a list of drugs with literature evidence indicating an adverse association with this diagnosis. The list is continually updated through ongoing research and new medication approvals. Click on Citations to sort by number of citations or click on Medication to sort the medications alphabetically.

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References

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Last Reviewed:02/02/2017
Last Updated:01/24/2022
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Seborrheic keratosis - Anogenital in
See also in: Overview,External and Internal Eye,Hair and Scalp
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A medical illustration showing key findings of Seborrheic keratosis : Verrucous scaly papule
Clinical image of Seborrheic keratosis - imageId=76731. Click to open in gallery. caption: 'An inflamed seborrheic keratosis showing a substantive pink and gray, stuck-on, verrucous plaque with keratotic plugs on the surface.'
An inflamed seborrheic keratosis showing a substantive pink and gray, stuck-on, verrucous plaque with keratotic plugs on the surface.

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