Treatment of Acanthosis Nigricans of the Axillae Using a Long-Pulsed (5-msec) Alexandrite Laser

Authors: Alan Rosenbach1; Ramin Ram2

Source: Dermatologic Surgery, Volume 30, Number 8, August 2004 , pp. 1158-1160(3)

Publisher: Blackwell Publishing

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Abstract:

Background.

Acanthosis nigricans of the axillae is a common cutaneous disorder that is difficult to treat. Objective.

The objective was to assess the efficacy and safety of a long-pulsed alexandrite laser (5 msec) in the treatment of acanthosis nigricans of the axillae. Methods.

A single axilla was treated using the long-pulsed alexandrite laser. Ten sessions were required, at fluences of 16 to 23 J/cm2 using either 10- or 12.5-mm spot sizes. The untreated axilla served as a control. Results.

Greater than 95% clearance was achieved after seven sessions. There was no recurrence after 2 years. The untreated axilla was unchanged. Conclusions.

The long-pulsed alexandrite laser can effectively and safely treat acanthosis nigricans of the axillae.

ALAN ROSENBACH, MD, AND RAMIN RAM, BS HAVE INDICATED NO SIGNIFICANT INTEREST WITH COMMERCIAL SUPPORTERS.

Document Type: Research article

DOI: 10.1111/j.1524-4725.2004.30346.x

Affiliations: 1: Los Angeles, California; and 2: The George Washington University School of Medicine, Washington, DC

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