Disseminated Histoplasmosis presenting with panniculitis and macrophage activation syndrome in a patient undergoing immunosuppressive therapy for Mixed Connective Tissue Disease (MCTD)

Histoplasmosis, a fungal infection caused by Histoplasma capsulatum, is endemic in many parts of the world. However, this is not common in Japan. We herein present a unique case of military histoplasmosis in a 45-year-old female with mixed connective tissue disease (MCTD) who was receiving immunosup...

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Veröffentlicht in:Internal Medicine 2024, pp.3597-24
Hauptverfasser: Kawashima, Hirotoshi, Saku, Aiko, Konishi, Mai, Hayashi, Yuichiro, Watanabe, Akira, Hirose, Koichi
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container_end_page 146
container_issue 1
container_start_page 3597-24
container_title Internal Medicine
container_volume 64
creator Kawashima, Hirotoshi
Saku, Aiko
Konishi, Mai
Hayashi, Yuichiro
Watanabe, Akira
Hirose, Koichi
description Histoplasmosis, a fungal infection caused by Histoplasma capsulatum, is endemic in many parts of the world. However, this is not common in Japan. We herein present a unique case of military histoplasmosis in a 45-year-old female with mixed connective tissue disease (MCTD) who was receiving immunosuppressive therapy. The histological findings coupled with molecular confirmation led to final a diagnosis. This case emphasizes the diagnostic challenges associated with histoplasmosis in immunocompromised patients and underscores the importance of considering it in the differential diagnosis of any atypical presentation in rheumatic patients.
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source J-STAGE (Free - Japanese); PubMed Central; PubMed Central Open Access
subjects Cell activation
Connective tissue diseases
Differential diagnosis
fungal ITS sequence
Histoplasmosis
Immunocompromised hosts
Immunosuppressive agents
Macrophages
MCTD
Mixed connective tissue disease
title Disseminated Histoplasmosis presenting with panniculitis and macrophage activation syndrome in a patient undergoing immunosuppressive therapy for Mixed Connective Tissue Disease (MCTD)
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