Lung Pathology Flashcards
Define emphysema
Destruction of lung parenchyma distal to terminal bronchioles
Causes of emphysema?
Smoking
a1AT deficiency (protease switched off by cigarette smoking)
Define bronchiectasis
Permanent dilatation of large airways with impaired mucociliary clearance
Define chronic bronchitis
Productive cough most days for at least 3 months of the year for more than 2 years
Complications of bronchiectais?
Recurrent infection
Pulmonary hypertension (leading to cor pulmonale)
Haemoptysis
Fibrosis
Amyloidosis
Bronchiectasis on CXR?
Tram lines
Diagnostic test for bronchiectasis?
CT
Curschmann spirals
Charcot Leyden crystals
Eosinophils
Asthma
Youngs syndrome?
Rhinosinusitis
Azoospermia
Bronchiectasis
Interstitial lung disease follow what spirometer picture?
Restrictive
Two types of interstitial lung disease?
Fibrosing and granulomatous
Extrinsic allergy alvelolitis is a ……… interstitial lung disease?
Granulomatous
Usual interstitial pneumonia
Honeycomb change at periphery of lobule and which is sub pleural
Type 2 pneumocyte hyperplasia
Idiopathic pulmonary fibrosis
75% due to smoking
Fibrosing Lung disease due to inhalation of inorganic antigens?
Pneumoconiosis
Pneumoconiosis affects which zones?
Upper lobes except asbestosis (lower and pleura)