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pseudofolliculitis barbae; pili incarnati

Epidemiology: - common - predominantly in black males Pathology: - pustular foreign body inflammatory reaction induced by ingrown hairs of the facial & submental (barbea) regions after regular shaving Genetics: - associated with Thr-161 variant of cytokeratin-75 Clinical manifestations: - firm, skin-colored, pink or hyperpigmented papules centered on hair follicles in people of skin color [3] - pseudofolliculitis that occurs in response to shaving - it will resolve if the patient grows a beard * images [4,5] Management: 1) grow beard 2) Benzashave [tretinoin 8% & benzoyl peroxide]

Related

acne keloidalis nuchae; folliculitis keloidalis

General

dermatitis

References

  1. Color Atlas & Synopsis of Clinical Dermatology, Common & Serious Diseases, 3rd ed, Fitzpatrick et al, McGraw Hill, NY, 1997, pg 77
  2. UniProt :accession O95678
  3. Medical Knowledge Self Assessment Program (MKSAP) 17, American College of Physicians, Philadelphia 2015
  4. DermNet NZ. Folliculitis barbae (image) http://www.dermnetnz.org/acne/pseudofolliculitis-barbae.html
  5. Greidanus TG, Elston DM (image) Medscape: Pseudofolliculitis of the Beard http://emedicine.medscape.com/article/1071251-overview