Laryngeal Blastomycosis: A Commonly Missed Diagnosis Report of Two Cases and Review of the Literature

Blastomycosis is a relatively uncommon fungal disease that most commonly affects the lungs. Other organs may be involved, usually secondary to dissemination of the organism. Laryngeal blastomycosis may occur in isolation from active pulmonary disease. The signs, symptoms, clinical features, and path...

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Veröffentlicht in:Annals of otology, rhinology & laryngology rhinology & laryngology, 2000-03, Vol.109 (3), p.281-286
Hauptverfasser: Hanson, Jason M., Spector, Gershon, El-Mofty, Samir K.
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container_title Annals of otology, rhinology & laryngology
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creator Hanson, Jason M.
Spector, Gershon
El-Mofty, Samir K.
description Blastomycosis is a relatively uncommon fungal disease that most commonly affects the lungs. Other organs may be involved, usually secondary to dissemination of the organism. Laryngeal blastomycosis may occur in isolation from active pulmonary disease. The signs, symptoms, clinical features, and pathological findings of laryngeal blastomycosis mimic those of squamous cell carcinoma. Misdiagnosis may result in inappropriate treatment with potential morbidity. Proper understanding of the clinical presentation and familiarity with the histopathologic features of this disease are therefore imperative. In this paper, we report 2 cases of laryngeal blastomycosis, 1 of which was misdiagnosed as squamous cell carcinoma, clinically and microscopically, with consequent radiotherapy and laryngectomy. In the other case, a clinical diagnosis of glottic squamous cell carcinoma was rendered. However, blastomycosis was identified in a biopsy specimen. We also review cases of isolated laryngeal blastomycosis that have been reported in the English-language literature during the last 80 years. a number of those cases were misdiagnosed clinically and microscopically as squamous cell carcinoma.
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Other organs may be involved, usually secondary to dissemination of the organism. Laryngeal blastomycosis may occur in isolation from active pulmonary disease. The signs, symptoms, clinical features, and pathological findings of laryngeal blastomycosis mimic those of squamous cell carcinoma. Misdiagnosis may result in inappropriate treatment with potential morbidity. Proper understanding of the clinical presentation and familiarity with the histopathologic features of this disease are therefore imperative. In this paper, we report 2 cases of laryngeal blastomycosis, 1 of which was misdiagnosed as squamous cell carcinoma, clinically and microscopically, with consequent radiotherapy and laryngectomy. In the other case, a clinical diagnosis of glottic squamous cell carcinoma was rendered. However, blastomycosis was identified in a biopsy specimen. 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Stomatology</subject><subject>Female</subject><subject>Human mycoses</subject><subject>Humans</subject><subject>Infectious diseases</subject><subject>Laryngeal Neoplasms - diagnosis</subject><subject>Laryngitis - diagnosis</subject><subject>Laryngitis - drug therapy</subject><subject>Laryngitis - microbiology</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Mycoses</subject><subject>Pharmacology. 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subjects Amphotericin B - therapeutic use
Antifungal Agents - therapeutic use
Biological and medical sciences
Blastomyces - cytology
Blastomycosis - complications
Blastomycosis - diagnosis
Blastomycosis - drug therapy
Carcinoma, Squamous Cell - diagnosis
Diagnosis, Differential
Diagnostic Errors
Ent and stomatologic mycoses
Ent. Stomatology
Female
Human mycoses
Humans
Infectious diseases
Laryngeal Neoplasms - diagnosis
Laryngitis - diagnosis
Laryngitis - drug therapy
Laryngitis - microbiology
Male
Medical sciences
Middle Aged
Mycoses
Pharmacology. Drug treatments
title Laryngeal Blastomycosis: A Commonly Missed Diagnosis Report of Two Cases and Review of the Literature
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