Pigeon breeder's lung in childhood: varied clinical picture at presentation

V Grech1, C Vella, H Lenicker

  • 1Paediatric Department, St. Luke's Hospital, Guardamangia, Malta. victor.e.grech@magnet.mt

Pediatric Pulmonology
|August 2, 2000
PubMed

Insights

Pediatric extrinsic allergic alveolitis, a rare condition, often presents with misdiagnosed respiratory symptoms. Early diagnosis and steroid treatment are crucial to prevent irreversible lung damage in children.

Area of Science:

  • Pulmonology
  • Pediatrics
  • Immunology

Background:

  • Extrinsic allergic alveolitis (EAA) is uncommon in children.
  • This study details 5 pediatric cases from Malta, reviewing existing literature.

Observation:

  • All 5 patients were male and initially misdiagnosed with other respiratory or mental health conditions.
  • Diagnosis involved bird exposure history, clinical signs, positive avian precipitins, restrictive lung function, and characteristic chest X-rays.

Findings:

  • High-dose oral steroid treatment for 3-4 weeks resulted in an excellent response in all patients.
  • No long-term sequelae were observed in the treated children.

Implications:

  • Early consideration of EAA in pediatric differential diagnoses is vital.
  • Delayed diagnosis can lead to irreversible pulmonary fibrosis in children.
  • Prompt diagnosis and treatment can prevent severe respiratory complications.

Related Concept Videos

Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations01:19

Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations

Chronic Obstructive Pulmonary Disease, or COPD, is a long-term condition marked by persistent and only partially reversible airflow limitation. It involves two overlapping conditions—chronic bronchitis and emphysema—which often co-appear but differ in dominant symptoms and underlying mechanisms.Chronic Bronchitis FeaturesChronic bronchitis presents with a persistent productive cough and thick, sometimes purulent mucus due to airway inflammation, enlarged mucus glands, and goblet cell...
Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:
Pulmonary Cycle: Exhalation01:17

Pulmonary Cycle: Exhalation

In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...
COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...