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Cutaneous cryptococcosis.

Sangeeta Joshi¹, C Wattal, L Duggal

¹Department of Clinical Microbiology, Sir Ganga Ram Hospital, Rajinder Nagar, New Delhi 110 060.

The Journal of the Association of Physicians of India

|January 8, 2005

Summary

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A painless nodule caused by Cryptococcus neoformans infection was found in an immunocompetent male with pigeon exposure. Oral fluconazole effectively treated the fungal infection.

Area of Science:

Medical Mycology
Infectious Diseases
Dermatology

Background:

Cryptococcus neoformans is an opportunistic fungal pathogen.
Cutaneous cryptococcosis typically affects immunocompromised individuals.
Exposure to bird droppings, particularly pigeons, is a known risk factor.

Observation:

A case of an apparently immunocompetent male presenting with a painless upper abdominal nodule.
Patient reported a history of exposure to pigeon droppings.
The nodule was identified as Cryptococcus neoformans.

Findings:

Isolation of Cryptococcus neoformans from the abdominal nodule.
No underlying immunodeficiency or other predisposing disorder was detected.
Successful treatment with oral fluconazole.

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Implications:

This case highlights the possibility of cutaneous cryptococcosis in immunocompetent individuals.
Pigeon exposure should be considered a potential risk factor for Cryptococcus neoformans infection.
Early diagnosis and appropriate antifungal therapy are crucial for favorable outcomes.