A Large Deep Skin Ulcer as an Initial Manifestation of Systemic Cryptococcosis

An 82-year-old woman presented to our hospital with a deep skin ulcer in her right lower limb. Although the skin biopsy showed necrosis and neutrophil infiltration, we could not initially detect any pathogen. Chest radiography showed multiple nodules despite the lack of respiratory symptoms or fever...

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Bibliographic Details
Published in:Mycopathologia (1975) 2019-04, Vol.184 (2), p.341-343
Main Authors: Araki, Kei, Yoshida, Yusuke, Kohno, Hiroki, Sugiyama, Eiji
Format: Article
Language:English
Subjects:
Agglutination
Biomedical and Life Sciences
Biopsy
Chest x-rays
Cryptococcosis
Diagnostic imaging
Eukaryotic Microbiology
Fever
Fungal infections
Fungi
Latex agglutination
Life Sciences
Lungs
Medical Microbiology
Microbial Ecology
Microbiology
Mycopathologia IMAGES
Mycoses
Necrosis
Nodules
Organs
Plant Sciences
Radiography
Respiratory symptoms
Skin
Skin ulcer
Stains
Ulcers
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Summary:An 82-year-old woman presented to our hospital with a deep skin ulcer in her right lower limb. Although the skin biopsy showed necrosis and neutrophil infiltration, we could not initially detect any pathogen. Chest radiography showed multiple nodules despite the lack of respiratory symptoms or fever, and the serum latex agglutination test for cryptococcus showed an elevated titer (1:512). Considering these findings, we performed additional stains of periodic acid–Schiff reaction and Grocott to the skin-biopsy specimen and detected multiple yeast-like fungi. The cultures of the skin and lung-biopsy specimens revealed Cryptococcus neoformans . In this case, it is suggested that a large deep skin ulcer can be an initial manifestation of systemic cryptococcosis, as, in some cases, pulmonary cryptococcosis may be asymptomatic. Second, cutaneous cryptococcosis of an unexposed area such as the thigh can contribute to the diagnosis of systemic cryptococcal infection because it is attributable to bloodstream dissemination from other organs.
ISSN:0301-486X
1573-0832
DOI:10.1007/s11046-019-00322-1