Treatment of pseudofolliculitis barbae in skin types IV, V, and VI with a long-pulsed neodymium:yttrium aluminum garnet laser E.Victor Ross, MD, Linda.

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Presentation transcript:

Treatment of pseudofolliculitis barbae in skin types IV, V, and VI with a long-pulsed neodymium:yttrium aluminum garnet laser E.Victor Ross, MD, Linda M. Cooke, MD, Anthony L. Timko, MD, Kristen A. Overstreet, MD, Brad S. Graham, MD, David J. Barnette, MD Journal of the American Academy of Dermatology Volume 47, Issue 2, Pages 263-270 (August 2002) DOI: 10.1067/mjd.2002.124081 Copyright © 2002 American Academy of Dermatology, Inc Terms and Conditions

Fig. 1 Perifollicular edema 5 minutes after irradiation. Left upper quadrant is control. Right upper quadrant, left lower quadrant, and right lower quadrants were treated with 50, 80, and 100 J/cm2, respectively. Note escalating edema with light dose. Journal of the American Academy of Dermatology 2002 47, 263-270DOI: (10.1067/mjd.2002.124081) Copyright © 2002 American Academy of Dermatology, Inc Terms and Conditions

Fig. 2 One month after treatment on thigh (phase I) in type VIb patient. Left upper quadrant is control. Right upper quadrant, left lower quadrant, and right lower quadrant were treated with 50, 80, and 100 J/cm2, respectively. Note absence of hair in all treated quadrants. Also, note area of hypopigmentation at sites of crusts at highest dose. Journal of the American Academy of Dermatology 2002 47, 263-270DOI: (10.1067/mjd.2002.124081) Copyright © 2002 American Academy of Dermatology, Inc Terms and Conditions

Fig. 3 Thigh hair counts 90 days after treatment. Journal of the American Academy of Dermatology 2002 47, 263-270DOI: (10.1067/mjd.2002.124081) Copyright © 2002 American Academy of Dermatology, Inc Terms and Conditions

Fig. 4 Representative patient showing treated square (reader's left) and untreated squares (reader's right). Note absence of bumps on treated side. Journal of the American Academy of Dermatology 2002 47, 263-270DOI: (10.1067/mjd.2002.124081) Copyright © 2002 American Academy of Dermatology, Inc Terms and Conditions

Fig. 5 Phase II mean papule counts 90 days after treatment. Journal of the American Academy of Dermatology 2002 47, 263-270DOI: (10.1067/mjd.2002.124081) Copyright © 2002 American Academy of Dermatology, Inc Terms and Conditions

Fig. 6 A, Photomicrograph showing thermally damaged hair follicle from thigh and absence of epidermal damage (type V skin, dose 100 J/cm2). (Hematoxylin-eosin stain; original magnification ×40.) B, Close-up of A, shows severe coagulative necrosis extending to outer root sheath. (Hematoxylin-eosin stain; original magnification ×200.) Journal of the American Academy of Dermatology 2002 47, 263-270DOI: (10.1067/mjd.2002.124081) Copyright © 2002 American Academy of Dermatology, Inc Terms and Conditions

Fig. 7 Biopsy specimen from submental area in type VIa patient (fluence 60 J/cm2). Note severe coagulative necrosis at base of hair follicle extending to outer root sheath. Despite obvious severe damage, after 4 months approximately half the hairs had regrown at this site. However, these hairs were thin and wispy. (Hematoxylin-eosin stain; original magnification ×100.) Journal of the American Academy of Dermatology 2002 47, 263-270DOI: (10.1067/mjd.2002.124081) Copyright © 2002 American Academy of Dermatology, Inc Terms and Conditions