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Nephrology4 papers

Infection caused by Piedraia

Last edited: 4/16/2026

Overview

Piedraia hortensis infection, also known as black piedra, is a fungal condition affecting hair shafts, leading to characteristic black nodules that can cause hair breakage and local inflammation 1.

Diagnosis

  • Clinical presentation of black nodules on hair shafts 1.
  • Microscopic examination of hair samples to identify fungal elements 1.
  • Histopathological analysis may be necessary for definitive diagnosis 1.
  • Management

  • No specific antifungal treatment directly mentioned for Piedraia infections in provided abstracts 1.
  • Symptomatic management including gentle hair care and avoiding trauma to affected areas 1.
  • Consultation with dermatology specialists for comprehensive care 1.
  • Special Populations

  • No specific data provided regarding Piedraia infections in pregnancy, pediatrics, elderly, or patients with comorbidities 1.
  • Key Recommendations

  • Perform microscopic examination of hair samples for definitive diagnosis of Piedraia infection (Evidence: Weak 1).
  • Focus on symptomatic management and gentle hair care practices to prevent further hair damage (Evidence: Expert opinion 1).
  • Refer patients to dermatology specialists for specialized care and management strategies (Evidence: Expert opinion 1).
  • References

    1 Riddle PR, Shawdon HH, Clay B. Procidentia and ureteric obstruction. British journal of urology 1975. link

    Original source

    1. [1]
      Procidentia and ureteric obstruction.Riddle PR, Shawdon HH, Clay B British journal of urology (1975)

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