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Updated: Jun 1, 2026

Microbiological Rapid On-Site Evaluation for Pulmonary Infectious Diseases

Microbiological Rapid On-Site Evaluation for Pulmonary Infectious Diseases

Published on: March 1, 2024

Smelly foot rash.

Paulo Morais¹, Ligia Peralta

¹Department of Dermatovenereology, Hospital S João, Porto, Portugal. paulomoraiscardoso@gmail.com

Australian Family Physician

|May 21, 2011

Summary

This summary is machine-generated.

A 6-year-old girl had itchy heel rashes for 6 months. The lesions were crater-like with a cheesy odor, and standard tests for fungus were negative.

Related Experiment Videos

Last Updated: Jun 1, 2026

Microbiological Rapid On-Site Evaluation for Pulmonary Infectious Diseases

Microbiological Rapid On-Site Evaluation for Pulmonary Infectious Diseases

Published on: March 1, 2024

Area of Science:

Dermatology
Pediatric Dermatology
Podiatry

Background:

A 6-year-old Caucasian girl, previously healthy, presented with a 6-month history of pruritic rash affecting both heels.
The lesions were characterized by small, crater-like depressions that gradually enlarged and sometimes coalesced.

Observation:

The patient reported pain when walking, exacerbated by moisture and wearing sneakers.
Physical examination revealed multiple 1-2 mm diameter crater-like depressions on both heels, with some lesions merging.
A distinct 'cheesy' odor and moist appearance were noted. Wood lamp examination and potassium hydroxide (KOH) testing for fungal elements were negative.

Findings:

The clinical presentation and negative diagnostic tests suggested a condition other than typical superficial fungal infections.
The characteristic crater-like lesions and associated symptoms pointed towards a specific dermatological diagnosis.

Implications:

Accurate diagnosis is crucial for appropriate treatment of pediatric heel lesions.
This case highlights the importance of considering differential diagnoses beyond common infections in pediatric dermatology.
Further investigation may be warranted to identify the underlying cause of these unusual heel lesions.