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Growing a Cystic Fibrosis-Relevant Polymicrobial Biofilm to Probe Community Phenotypes
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Growing a Cystic Fibrosis-Relevant Polymicrobial Biofilm to Probe Community Phenotypes

Published on: April 19, 2024

Foot bacterial intertrigo mimicking interdigital tinea pedis.

Jing-Yi Lin1, Yi-Ling Shih, Hsin-Chun Ho

  • 1Department of Dermatology, Chang Gung Memorial Hospital at Taipei, Chang Gung University College of Medicine, Taoyuan, Taiwan. lindajylin@cgmh.org.tw

Chang Gung Medical Journal
|March 12, 2011
PubMed
Summary

Bacterial intertrigo of the feet, often presenting as toe web maceration, is frequently misdiagnosed. Prompt bacterial identification is crucial for effective antibiotic treatment and preventing recurrence through proper foot hygiene.

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Last Updated: Jun 3, 2026

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03:53

Growing a Cystic Fibrosis-Relevant Polymicrobial Biofilm to Probe Community Phenotypes

Published on: April 19, 2024

Area of Science:

  • Dermatology
  • Infectious Diseases
  • Podiatry

Background:

  • Toe web maceration is common in warm, humid conditions.
  • Some cases resist treatment for tinea or eczema.
  • Foot intertrigo can present diagnostic challenges.

Purpose of the Study:

  • To investigate bacterial intertrigo of the feet.
  • To identify common pathogens in recalcitrant cases.
  • To differentiate bacterial intertrigo from fungal or eczematous conditions.

Main Methods:

  • Retrospective study of patients with foot intertrigo (2004-2009).
  • Inclusion criteria: poor response to antifungal/anti-inflammatory treatment.
  • Diagnostic methods included bacterial/fungal cultures and KOH preparations.

Main Results:

  • 32 episodes of bacterial intertrigo in 17 patients were identified.
  • Predominantly affected men (82%) with a mean age of 59.
  • Common pathogens included Pseudomonas aeruginosa, Enterococcus facealis, and Staphylococcus aureus; 93% showed mixed infections.
  • Autoeczematization occurred in 50% of episodes.

Conclusions:

  • Foot bacterial intertrigo is a significant condition, often mistaken for tinea or eczema.
  • Accurate bacterial identification is vital for timely antibiotic therapy.
  • Patient education on foot hygiene is essential for preventing recurrent infections.