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Related Experiment Videos

Photopatch testing: a six-year experience.

J Menz1, S A Muller, S M Connolly

  • 1Department of Dermatology, Mayo Clinic, Rochester, MN 55905.

Journal of the American Academy of Dermatology
|May 1, 1988
PubMed
Summary
This summary is machine-generated.

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Photopatch testing is crucial for diagnosing photosensitive dermatitis. This study found it identified relevant reactions in 14 of 27 patients, highlighting common triggers like chlorpromazine.

Area of Science:

  • Dermatology
  • Photobiology
  • Contact Dermatitis

Background:

  • Photosensitive dermatitis presents diagnostic challenges.
  • Photopatch testing is a key diagnostic tool for photosensitivity.

Purpose of the Study:

  • To analyze the results of photopatch testing conducted at Mayo Clinic between 1980 and 1985.
  • To identify common causes of photosensitive dermatitis.

Main Methods:

  • Retrospective analysis of 70 patients undergoing photopatch testing.
  • Evaluation of positive photopatch test reactions and ordinary contact reactions.

Main Results:

  • 27 patients (38.5%) had positive photopatch tests.
  • 14 patients had relevant photocontact reactions.

Related Experiment Videos

  • Chlorpromazine, musk ambrette, and promethazine were frequent causes of positive reactions.

    • Conclusions:

    • Photopatch testing is essential for diagnosing photosensitive dermatitis.
    • It can help exclude photosensitivity in recalcitrant eruptions.
    • Identifying causative agents aids in patient management.