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Acne: acne conglobata

Created: 10th November 2011   |   Last Updated: 24th April 2017

Introduction

Acne conglobata is an ill-defined form of severe acne.

This chapter is set out as follows: 

  • History
  • Clinical findings
  • Images
  • Management

Related chapters

  • Acne: acne vulgaris

History

  • Mainly found in males
  • Usually appears in the early teens but becomes increasingly active in the second to third decades of life 

Clinical findings

  • Distribution
    • Characterised by severe disease on the trunk and face 
  • Morphology
    • ​Typically blackheads are grouped in clusters of several lesions, which frequently become inflamed producing sinus tracts 
    • Multiple inflamed papules and tender nodules 
    • Scarring can be extensive 

Images

Please click on images to enlarge, or choose to download. Images must only be used for teaching purposes and are not for commercial use. Notice and credit must be given to the PCDS and any other named contributor.

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Figure: 1

Acne conglobata

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Figure: 2

Acne conglobata


Management

  • Treatment is difficult
  • The patient should be considered and treated as having severe disease but, unfortunately, oral retinoids are not always successful. Consequently, severe scarring is the rule and associated hidradenitis suppurativa is common 

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