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Perforating folliculitis - Skin
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Perforating folliculitis - Skin

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Contributors: Belinda Tan MD, PhD, Noah Craft MD, PhD, Lindy P. Fox MD, Lowell A. Goldsmith MD, MPH, Michael D. Tharp MD
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Synopsis

Perforating folliculitis is one of four classic perforating dermatoses that are now grouped under the umbrella term of "acquired perforating dermatosis;" this grouping also includes elastosis perforans serpiginosa, reactive perforating collagenosis, and Kyrle disease. Acquired perforating dermatoses are often associated with diabetes mellitus or chronic renal disease; however, they may also occur in patients with other systemic diseases, in association with medications, and in patients without an underlying disease.

Perforating folliculitis is so named for the process in which dermal material is eliminated transepidermally (transfollicularly). Clinically, there are scaly papules in hair-bearing areas that may be pruritic. Perforating folliculitis occurs equally among the sexes and is most prevalent in adulthood.

Perforating folliculitis is associated quite frequently with chronic renal failure and diabetes mellitus, among other systemic diseases. Without treatment, perforating folliculitis tends to persist for long periods of time. It often regresses with stabilization of renal disease or renal transplantation.

Codes

ICD10CM:
L87.9 – Transepidermal elimination disorder, unspecified

SNOMEDCT:
54865008 – Perforating folliculitis

Look For

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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 Updated: 12/18/2018
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Perforating folliculitis - Skin
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Perforating folliculitis : Buttocks, Erythema, Koebner phenomenon, Symmetric extremities, Pruritus, Scaly papules
Clinical image of Perforating folliculitis
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