Date: 26 November 2013
X-Rays -Allergic Bronchopulmonary Aspergillosis (ABPA) with 3 relapses.
A female patient JO (50 yrs) with right middle lobe collapse. The patient presented with a 6 month history of cough which has persisted despite antibiotics and both steroid and salbutamol inhalers. She then developed acute breathlessness with coughing and wheezing. There was no history of asthma. Bronchoscopy (Image K) showed a mucous plug obstructing the right upper lobe bronchus.
Images D – G are X rays showing relapse in 1998 and recovery
Images H – J are X rays showing relapse in 2003
Image K. Bronchoscopy appearance of mucous impaction of the bronchus intermedius – pt JO (50yrs). There was a long mucous plug in the anterior segment of the RUL. Half of this was aspirated and sent for microscopy and culture. The second half “fell into” the bronchus intermedius (which feeds the right middle lobe) and was only partially aspirated.
Images L – O: High resolution CT scan of thorax in pt JO, post bronchoscopy. 1.5mm sections at 1 cm intervals of whole lung. There is collapse and consolidation in the right middle lobe with dilation of the right middle lobe bronchi. There is also minor bronchiectasis in the right upperlobe with a little patchy air space shadowing . There is no mediastinal lymphadenopathy or any interstitial fibrosis.
Image P & Q: Histology: Mucous plug (3x 0.5x 0.5cm) containing numerous inflammatory cells, including eosinophils and nuclear debris.GMS staining reveals occasional fungal hyphae with septa and dichotomous branching. These appearances support the diagnosis of bronchopulmonary Aspergillosis. Bronchioalveolar lavage fluid was negative on microscopy and no fungi were grown. A year later Aspergillus fumigatus was grown from her sputum.
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Diagnosis: Aspergilloma with invasive aspergillosis evidence of invasion found in the lumbar spine and brain, in addition to heart.
Fungal endocarditis with NO evidence of bacterial endocarditismia.Additional image details:
A. Normal chest X ray:
This (normal) chest X-ray was taken about 6 weeks before endocarditis was diagnosed, and 3 months before death due to disseminated aspergillosis. No CT scan was done (a chest radiograph has a 10% false negative rate in leukaemic patients, compared with CT).B. Aspergillus niger Fungal ball:
Gross section of lung at autopsy showing a discrete, well-demarcated dark/black mass surrounded by a fibrotic capsule. There was no evidence of local invasion, or infarction. The patient had had acute myeloid leukaemia (M1) and responded poorly to chemotherapy. He developed A.niger endocarditis and disseminated disease to the kidneys, lumbar disc and heart, probably arisiong from this lesion. It is unclear whether this lung lesion was a partially cured ‘mycotic lung sequestrum’ following antifungal therapy, or originated as an aspergilloma. The confirmation of genus and species was obtained by PCR on blood and vegetations.C. Endocarditis:
Macroscopic view of the heart at autopsy, showing an infracted lesion on the papillary muscle of the mitral valve in the left ventricle. In addition the patient had large vegetations, which are not shown here. The confirmation of genus and species was obtained by PCR on blood and vegetations; the pericarditis was a manifestation of disseminated aspergillosis.D. Pericarditis due to Aspergillus niger:
Macroscopic view of the pericardium at autopsy, showing gross chronic haemorrhagic pericarditis. The confirmation of genus and species was obtained by PCR on blood and vegetations; the pericarditis was a manifestation of disseminated aspergillosis.E. Lumbar discitis:
Macroscopic lesion of a lumbar intervertebral vertebral at autopsy, showing haemorrhagic necrosis, caused by hyphal invasion and infarction. The confirmation of genus and species was obtained by PCR on blood and vegetations; the discitis was a manifestation of disseminated aspergillosis.
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Secondary metabolites, structure diagram: Trivial name – Folipastatin
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