pityriasis%20(tinea)%20versicolor
PITYRIASIS (TINEA) VERSICOLOR
Pityriasis (Tinea) versicolor is a fungal infection caused by Malassezia furfur. It is benign, superficial, and localized to the stratum corneum.
It may present as chronic or recurrent infection and may occur in healthy individuals.
It is more common in summer than winter months.
It presents with multiple well-demarcated macules or patches and finely scaled plaques with hypopigmentation or hyperpigmentation, hence the term "versicolor".
Lesions are usually found on the upper trunk, chest, back and shoulders, and may extend toward the neck, face and arms.

Definition

  • Pityriasis (tinea) versicolor is a common, benign, superficial fungal infection localized to the stratum corneum

Etiology

  • Caused by lipophilic yeasts, Malassezia species, part of the normal flora of the human skin

Signs and Symptoms

  • May present as chronic or recurrent infection & may occur in healthy individuals
    • More common in summer than winter months
  • Predominates in young adults when the sebaceous glands are most active
  • Presents w/ multiple well-demarcated macules or patches & finely scaled plaques w/ hypopigmentation orhyperpigmentation, hence the term “versicolor”
  • Tends to be asymptomatic & is mainly a cosmetic concern but pruritus may or may not be present
  • Usually found on the upper trunk, chest, back & shoulders, & may extend towards the neck, face & arms
  • Lesions do not tan along the normal skin

Risk Factors

Risk Factors that Promote Pityriasis (Tinea) Versicolor Infection:

  • High temp & high humidity
    • Prominent in tropical & subtropical regions
  • Occlusive clothing
  • Oily skin or application of oils to skin
  • Excessive sweating
  • Immunocompromised state, malnutrition & hereditary predisposition
  • Oral corticosteroid intake or Cushing’s disease
Digital Edition
Asia's trusted medical magazine for healthcare professionals. Get your MIMS Infectious Diseases - Malaysia digital copy today!
DOWNLOAD
Editor's Recommendations
Most Read Articles
01 Apr 2013
Aspergillus colonization may lead to an increase in the risk of bronchiolitis obliterans syndrome. This study determined the impact of colonization of conidia Aspergillus species after post lung transplantation.
2 days ago
No standard currently exists for the growing number of patients with multidrug-resistant strains of Helicobacter pylori, but a recent study has shown the safety and reliability of a 12-day low-dose rifabutin/high-dose proton pump inhibitor (PPI) regimen in patients infected with triple-resistant strains.
Jairia Dela Cruz, 16 Aug 2017
Daily administration of two probiotic strains, Bifidobacterium animalis subsp lactis and Lactobacillus rhamnosus, does not appear to be effective in the prevention of respiratory or gastrointestinal infections in infants, as shown in the ProbiComp* study.
4 days ago
Patients with a first episode of Clostridium difficile infection (CDI) are likely to respond to treatment with fidaxomicin with no recurrences, a recent study has shown. On the other hand, those with prior CDI episodes are less likely to respond, especially with >1 prior episode, and more likely to recur, which suggests a greater clinical benefit of fidaxomicin earlier in the course of CDI.