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Query: UMLS:C0040586 (tracheobronchitis)
 449 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Aspergillus tracheobronchitis is an uncommon clinical form of invasive aspergillosis with fungal infection limited entirely or predominantly to the tracheobronchial tree. We report a case of Aspergillus fumigatus bronchitis, diagnosed by fiberoptic bronchoscopy, with fungal growth completely occluding the left main bronchus leading to lung collapse and acute respiratory failure in a 60-year-old male with erythroleukemia and profound granulocytopenia.
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PMID:Aspergillus bronchitis causing atelectasis and acute respiratory failure in an immunocompromised patient. 1154 91

Tracheomalacia is a condition of the neonatal and infant airway, characterized by weakness of the supporting tracheal cartilage and widening of the posterior membranous wall. Together, these factors cause tracheal collapse, especially during times of increased airflow. The diagnosis of major airway collapse depends upon an accurate history combined with proper endoscopic evaluation. Tracheomalacia can be caused by a diffuse process of congenital origin or by a localized abnormality. The cases of acquired tracheomalacia occur with increasing frequency both in children and adults and are often not clearly recognized. These lesions may result from indwelling tracheostomy and endobronchial tube, chest trauma, chronic tracheobronchitis, inflammation (relapsing polychondritis), secondary to pulmonary resection, tracheal malignancy (cylindroma), and idiopathically. We present the case of a 59 years old male with acquired tracheobronchomalacia, associated with tracheopatia osteochondroplasica, secondary to COPD and a chronic parenchimal infection, on a diabetes mellitus type II background.
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PMID:[Tracheomalacia and secondary tracheopatia osteocondroplasica - a case report]. 1197 2

Eight one-week-old, colostrum-deprived lambs were inoculated intratracheally with ovine isolates of Bordetella parapertussis. After inoculation, the lambs showed slight depression and anorexia. The total circulating leucocyte counts in these animals rose gradually to a peak five days post-inoculation. Neutrophil counts also increased and were highest at Day 3. Lesions grossly and histologically similar to those of naturally-occurring ovine chronic non-progressive pneumonia were seen in the majority of infected animals. Grossly, they consisted of many small areas of collapse and dull-red consolidation. Histologically, B. parapertussis caused mild acute tracheobronchitis, severe alveolar collapse and acute bronchopneumonia, which was most severe from Days 1 to 3. Pure cultures of B. parapertussis were consistently recovered from nasal swabs of infected lambs throughout the study. Viable bacterial counts of bronchoalveolar lavage fluid showed a rapid elimination of this organism from the lower respiratory tract between Days 1 to 5. Bordetella parapertussis infection in the respiratory tract of lambs has the potential to compromise pulmonary defence mechanisms and allow other pathogenic organisms to become established in the lower respiratory tract.
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PMID:Pneumonia in lambs inoculated with Bordetella parapertussis: clinical and pathological studies. 1603 69

Aspergillus disease has a wide spectrum of manifestations within the lungs; however invasive Aspergillus is most commonly associated with immunocompromise or pre-existing respiratory disease. Here we present a case of Aspergillus tracheobronchitis causing right middle lobe collapse, masquerading as late-onset asthma in a patient with no pre-existing risk factors following massive inhalation of Aspergillus spores from working with compost. This case highlights the importance of having a high index of suspicion for Aspergillus-related disease even in those with no traditional risk factors.
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PMID:Lesson of the month 1: A cough that doesn't fit the mould. 2725 29