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Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis
Published on: March 9, 2018
High attenuation mucoid impaction in allergic bronchopulmonary aspergillosis
1Ritesh Agarwal, Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research Sector-12, Chandigarh 160012, India.
Abstract:
Allergic bronchopulmonary aspergillosis (ABPA) is a complex hypersensitivity syndrome triggered against antigens of Aspergillus fumigatus, a fungus that most commonly colonizes the airways of patients with bronchial asthma and cystic fibrosis. It presents clinically with refractory asthma, hemoptysis and systemic manifestations including fever, malaise and weight loss. Radiologically, it presents with central bronchiectasis and recurrent episodes of mucus plugging. The mucus plugs in ABPA are generally hypodense but in up to 20% of patients the mucus can be hyperdense on computed tomography. This paper reviews the literature on the clinical significance of hyperattenuated mucus in patients with ABPA.
Insights
Allergic bronchopulmonary aspergillosis (ABPA) involves a hypersensitivity reaction to Aspergillus fumigatus. This review explores the clinical significance of hyperdense mucus, a less common finding in ABPA patients.
Area of Science:
- Pulmonology
- Mycology
- Radiology
Background:
- Allergic bronchopulmonary aspergillosis (ABPA) is a hypersensitivity lung disease.
- It is primarily associated with Aspergillus fumigatus fungal antigens.
- ABPA commonly affects patients with asthma and cystic fibrosis.
Purpose of the Study:
- To review the clinical significance of hyperattenuated mucus in ABPA.
- To understand the implications of mucus density on computed tomography (CT) in ABPA patients.
Main Methods:
- Literature review of studies on ABPA and mucus characteristics on CT.
- Analysis of clinical presentations and radiological findings associated with hyperattenuated mucus.
Main Results:
- Hyperattenuated mucus is observed in up to 20% of ABPA patients.
- Clinical manifestations of ABPA include refractory asthma, hemoptysis, and systemic symptoms.
- Radiological findings include central bronchiectasis and mucus plugging, which can be hyperdense.
Conclusions:
- Hyperattenuated mucus is a notable radiological finding in a subset of ABPA patients.
- Understanding mucus density aids in the diagnosis and management of ABPA.
- Further research may clarify the specific clinical implications of hyperattenuated mucus in ABPA.
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