Seborrheic keratosis - Anogenital in
See also in: Overview,External and Internal Eye,Hair and ScalpAlerts and Notices
Synopsis

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
Look For
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Diagnostic Pearls
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Differential Diagnosis & Pitfalls
- Melanoma – For any dark or atypical appearing pigmented lesion, the diagnosis of melanoma should be ruled out.
- Melanocytic nevus
- Condyloma acuminata may resemble SKs, but they usually manifest filiform (threadlike) or acuminate (pointed) excrescences. Older warts may lose some of these features. In cases of doubt, a biopsy should be performed.
- Bowenoid papulosis
- Bowen disease
- Extramammary Paget disease
- Acrochordon
- Lichen planus
- Psoriasis
- Molluscum contagiosum
- Fordyce spots
- Angiokeratoma
- Papular acantholytic dermatosis
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.Subscription Required
References
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Last Reviewed:02/02/2017
Last Updated:01/24/2022
Last Updated:01/24/2022

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