Last reviewed: November 2017
Last updated: November  2017

Summary

Definition

History and exam

Key diagnostic factors

  • centrofacial, malar, or mandibular distribution of muddy brown to grey hyperpigmentation

Risk factors

  • female sex
  • Fitzpatrick III to VI skin types
  • UV radiation
  • oral contraceptive pill
  • pregnancy
  • FHx of melasma
  • photosensitising drugs

Diagnostic investigations

Emerging tests

  • reflectance confocal microscopy (RCM)
Full details

Treatment algorithm

Contributors

Authors VIEW ALL

Laura Korb Ferris

Assistant Professor of Dermatology

University of Pittsburgh

Pittsburgh

PA

Disclosures

LKF declares that she has no competing interests.

Fellow

Department of Dermatology

Memorial Sloan Kettering Cancer Center

New York

NY

Disclosures

MLM declares that she has no competing interests.

Peer reviewers VIEW ALL

Chief

Outpatient & Pediatric Dermatology

59th Medical Wing/ SGOMD

Lackland Air Force Base

San Antonio

TX

Disclosures

CMH declares that he has no competing interests.

Chief Dermatology Resident

University of California

Irvine

CA

Disclosures

JW declares that he has no competing interests.

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