Date: 26 November 2013
23/09/08
Copyright:
Case Report by Marie Kirwan, CGD Nurse, University Hospital of South Manchester, Manchester UK . (Prepared Dr J Bartholomew 06/07/09)
Notes:
A 33 year old known Chronic Granulomatous Disorder (CGD) male presented to A&E in respiratory distress and admitted with severe bibasal pneumonia. He had been laying mulch in his garden. He had not been taking any prophylactic antifungal agents. Oxygen therapy was commenced in conjunction with IV bacterial and fungal treatment with Amphotericin B (Fungizone ®). Further consultation and an adverse reaction to the administration of Fungizone ® led to a switch to IV Voriconazole 300mg BD. The patient tested positive for aspergillus antibodies in serum. The patient declined a bronchoscopy, responded well to IV voriconazole and was discharged home 2 weeks post admission on maintenance voriconazole.
Images library
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Light microscopic image of hyphae in an aspergilloma (10x magnification)
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Light microscopic image of hyphae in an aspergilloma (400x magnification)
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An aspergilloma (or fungal ball) is a mass of fungus found inside the body, for example inside cavities such as the lungs or sinuses, or as abscesses in organs such as the brain or kidney. They are made up of threadlike fungal strands (hyphae) that are densely packed but only around 1/200 of a millimetre in diameter. A mass of hyphae is called a mycelium.
In this image, a slice through an aspergilloma has been imaged using a transmission electron microscope.
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Aspergillus can punch through the lining of the lungs and invade the blood vessels below, in a process called angioinvasion. It can result in blockage (occlusion) of the blood vessel and damage to the local tissue through lack of oxygen (infarction). In severely immunocompromised patients, fragments can even break off and travel to other organs in the body.
In this image, a tissue section through a blocked blood vessel has been stained with the dyes haematoxylin (purple, binds DNA) and eosin (pink, binds proteins).
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Showing the edge of a colony of aspergillus forming a fungal ball. The fungal hyphae exhibit dichotomous 45 degree angle branching and septae typical of Aspergillus.
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Pt CJ finger clubbing, this patient had chronic cavitary pulmonary aspergillosis, with an aspergilloma since 1988, following an episode of haemoptysis. Currently patient still has symptomatic disease.
Images E,F Blood stained sputum samples from this patient.
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Disseminated, invasive aspergillosis showing dichotomously branching hyphae. Original magnification x300. Stained with Gomori Methenamine Silver (GMS).
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Disseminated, invasive aspergillosis showing dichotomously branching hyphae. Original magnification x150. Stained with Gomori Methenamine Silver (GMS).
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Disseminated, invasive aspergillosis showing dichotomously branching hyphae. Original magnification x50. Stained with Gomori Methenamine Silver (GMS).
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Light microscopical appearance of invasive pulmonary aspergillosis showing vessel occlusion with thrombus and distal infarction (Haematoxylin and eosin, x100)
