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Penile involvement in pityriasis versicolor

S H Aljabre¹, Y H Sheikh

¹Department of Dermatology, King Faisal University, Dammam, Saudi Arabia.

Tropical and Geographical Medicine

|January 1, 1994

Summary

Pityriasis versicolor, a fungal skin infection, rarely affects the penis. This report details a case of pityriasis versicolor on the penile shaft, highlighting an unusual presentation of this common condition.

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Area of Science:

Dermatology
Mycology
Infectious Diseases

Background:

Pityriasis versicolor is a superficial fungal infection caused by Malassezia furfur, a common skin commensal.
Pathogenic conversion factors are unclear, but hot, humid climates predispose individuals to this infection.
The condition typically presents on the trunk, neck, and upper arms.

Observation:

This report documents an unusual case of pityriasis versicolor.
The patient presented with characteristic scaly, hypo- or hyperpigmented macular lesions.
Lesions were observed on the shaft of the penis, a rare site of involvement.

Findings:

Malassezia furfur can cause pityriasis versicolor on the penile shaft.
The clinical presentation of scaly, pigmented lesions was consistent with pityriasis versicolor.
Penile involvement represents an atypical manifestation of this superficial fungal infection.

Implications:

This case expands the known clinical spectrum of pityriasis versicolor.
It underscores the importance of considering fungal infections in unusual dermatological presentations.
Further research may elucidate specific factors contributing to rare site involvement.

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