CUTANEOUS HORN

By Gary M. White, MD

cutaneous horn


A cutaneous horn is formed by a conical projection of keratin. At the base, one may find an actinic keratosis, keratoacanthoma, squamous cell carcinoma, verruca or seborrheic keratosis.

Clinical

A conical hyperkeratotic projection rising up from the skin is seen. At the base, a more fleshy papulonodule is typical. Giant forms may occur [J Dermatol Case Rep. 2015;9:113].

Treatment

Usually, a shave biopsy along with curettage and electrodessication of the base is in order to diagnose and treat an underlying actinic keratosis, KA or SCC is performed.

Additional Pictures

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cutaneous horn

References

Giant cutaneous horn on the forehead arising from an SCC. JAAD Case Reports September 2015 Volume 1, Issue 5, Pages 295–297


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