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Related Experiment Videos

Exogenous ochronosis.

M Huerta Brogeras1, M Sánchez-Viera

  • 1Department of Dermatology University Hospital Gregorio Marañón, Madrid.

Journal of Drugs in Dermatology : JDD
|February 14, 2006
PubMed
Summary
This summary is machine-generated.

Exogenous ochronosis, a skin condition, can develop from prolonged use of hydroquinone creams for melasma. This case highlights the importance of monitoring treatment for hyperpigmentation disorders.

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Area of Science:

  • Dermatology
  • Pathology

Background:

  • Melasma is a common hyperpigmentation disorder.
  • Hydroquinone is a widely used skin-lightening agent.

Observation:

  • A 70-year-old woman presented with facial hyperpigmentation after using hydroquinone for melasma.
  • Biopsy revealed yellow-brown globules in the dermis.

Findings:

  • The patient was diagnosed with exogenous ochronosis.
  • This condition resulted from topical hydroquinone application.

Implications:

  • Exogenous ochronosis is a potential side effect of long-term hydroquinone use.
  • Q-switched Nd:YAG laser treatment is being explored for this condition.