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An Unusual Case of Pulmonary Cryptococcus
Journal article   Open access   Peer reviewed

An Unusual Case of Pulmonary Cryptococcus

Hafiz M. Aslam, Kelly A. Cann, Kareem H. Genena, Syed A. Akhtar Trimizi, Mustansir A. Mir, Sara L. Wallach, Herbert Conaway and Marc Seelagy
Curēus (Palo Alto, CA), v 10(12), pe3707
01 Dec 2018
PMID: 30788196
url
https://doi.org/10.7759/cureus.3707View
Published, Version of Record (VoR)CC BY V4.0 Open

Abstract

General & Internal Medicine Life Sciences & Biomedicine Medicine, General & Internal Science & Technology
Cryptococcal infections are caused by encapsulated fungi Cryptococcus gattii and C. neoformans. Inhalation commonly causes innocuous colonization but may cause meningitis or disseminated disease via hematogenous spread. Cryptococcosis occurs most commonly in immunocompromised patients including those with acquired immunodeficiency syndrome, meningoencephalitis or disseminated disease. However, cryptococcosis can occur as asymptomatic isolated pulmonary nodules in immunocompetent patients. Here we present a unique retrospective case report of a 55-year-old immunocompetent man who presented with pleuritic chest pain, productive cough, dyspnea on exertion, chills, night sweats, and weight loss. A computed tomography scan of his chest revealed multiple ground-glass opacities throughout both lung fields. The results of his autoimmune evaluation and human immunodeficiency virus tests were negative. A biopsy obtained through video-assisted thoracoscopic surgery revealed mucicarmine staining capsules confirming Cryptococcus, requiring treatment with amphotericin, flucytosine, and fluconazole. This case highlights the rarely studied presentation of symptomatic diffuse pulmonary cryptococcal infection in an immunocompetent patient requiring treatment.

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Collaboration types
Domestic collaboration
Web of Science research areas
Medicine, General & Internal
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