Bronchiolitis Classification

Bronchiolitis Classification Listed (A to Z):

• Acute bronchiolitis - esp respiratory syncytial virus (RSV)
• BOOP - primary or secondary
• Chronic bronchiolitis
• Cigarette-induced respiratory bronchiolitis
• Constrictive bronchiolitis (bronchiolitis obliterans) - primary or secondary
• Diffuse panbronchiolitis
• Extrabronchiolar disease (assoc bronchiolocentric infiltrates
• Follicular bronchiolitis

Image: Acute Bronchiolitis (Histopathology)

Image Source: by Pulmonary Pathology on flickr (cc)

Tags: Acute Bronchiolitis - BOOP - Bronchiolitis - Bronchiolitis Obliterans - Cigarette - Histopathology - Respiratory Syncytial Virus - RSV
Posted by Medicalchemy
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Lung Mucoid Impaction (On Chest Imaging) Causes

Lung Mucoid Impaction Causes:

Generalised Airways Disease:

• Allergic bronchopulmonary aspergillosis
• Asthma
• Bronchocentric granulomatosis
• COPD
• Cystic fibrosis

Localised Airways Disease:

• Bronchogenic cyst
• Intralobular sequestration
• Obstructed bronchus - adenoma, bronchial atresia (congenital), bronchiolithiasis, carcinoma.

Tags: Adenoma - Aspergillosis - Asthma - Bronchial Atresia - Bronchiolithiasis - Bronchogenic Cyst - Carcinoma - COPD - Cystic Fibrosis - Mucoid Impaction
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Solitary Pulmonary Nodule Infectious Causes

Listed Infectious Causes (A to Z):

• A - Actinomycosis, Aspergillosis
• B - Blastomycosis
• C - Coccidioidomycosis, Cryptococcosis
• D - Dirofilaria
• E - Echinococcosis
• H - Histoplasmosis
• L - Legionella, Lung abscess,
• M - Mycetomas
• N - Nocardia
• P - Pneumocystis, Pseudallescheriasis
• S - Septic embolism, Spherical pneumonia, Sporotrichosis
• T - Tuberculosis (atypical or typical)

Image: Solitary Pulmonary Nodule on CT Scan (Arrowed).

Image Source: by Lourens Willekes, Cherif Boutros & Michael A. Goldfarb on Wikipedia (cc)

Tags: Actinomycosis - Aspergillosis - Blastomycosis - Coccidioidomycosis - Cryptococcosis - CT Scan - Dirofilaria - Echinococcosis - Histoplasmosis - Legionella - Lung abscess - Mycetoma - Nocardia - Pneumocystis - Pseudallescheriasis - Pulmonary Nodule - Septic embolism - Sporotrichosis - Tuberculosis

Posted by Medicalchemy
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Honeycomb Lung Causes

Honeycomb Lung Causes (A-Z):

• Acute interstitial pneumonitis survivors
• Allergic alveolitis
• Bronchiectasis (cystic fibrosis)
• Collagen diseases (rheumatoid disease, scleroderma)
• Drug-induced (bleomycin, cyclophosphamide, nitrofurantoin)
• Eosinophilic granuloma
• Neurofibromatosis
• Non-specific interstitial pneumonitis (uncommonly)
• Pneumoconiosis (asbestosis)
• Sarcoidosis
• Usual interstitial pneumonitis

Image: Honycomb Lung by Ed Uthman on Wikipedia (Public Domain)

Tags: Acute Interstitial Pneumonitis - Allergic Alveolitis - Bronchiectasis - Collagen Diseases - Eosinophilic Granuloma - Interstitial Pneumonitis - Neurofibromatosis - Pneumoconiosis - Sarcoidosis - Usual Interstitial Pneumonitis
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Steroid Responsive Interstitial Lung Disease (ILD)

Steroid Responsive ILD (Listed A-Z):

• Acute bronchiolitis
• Allergic alveolitis
• BOOP (Bronchiolitis obliterans organising pneumonia)
• Collagen diseases
• Drug-induced ILD
• Idiopathic interstitial pneumonitis
  AIP (Acute interstitial pneumonitis)
  DIP (Desquamative interstitial pneumonitis)
  LIP (Lymphocytic interstitial pneumonitis)
  NSIP (Non-specific interstitial pneumonitis)
  RB-ILD (Respiratory bronchiolitis - interstitial lung disease)
• Sarcoidosis
• Vasculitis

Tags: Acute Bronchiolitis - AIP - Allergic Alveolitis - BOOP - Collagen Diseases - DIP - Interstitial Lung Disease - Idiopathic Interstitial Pneumonitis - Interstitial Pneumonitis - LIP - NSIP - RB-ILD - Sarcoidosis - Steroid - Vasculitis
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Upper Lobe Infiltrations or Fibrosis on Chest Xray

Aetiological Factors:

• Allergic alveolitis
• Ankylosing spondylitis
• Eosiniphilic granuloma
• Histoplasmosis
• Radiation pneumonitis
• Rheumatoid arthritis
• Rhodococcus equi
• Sarcoidosis
• Silicosis progressive massive fibrosis
• Sporotrichosis
• Talcosis
• Tuberculosis

Tags: Chest Xray - Pulmonary infiltrate - Pulmonary fibrosis - Tuberculosis - Upper Lobe

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Pneumonia With Cavitation - Causes

Bacterial Causes:

• Actinomycosis
• Anaerobes
• Atypical mycobacteria
• Gram negatives
• Legionella
• Mycobacterium tuberculosis
• Nocardia
• Rhodococcus
• Staph aureus
• Strep pneumoniae (rare)

Fungal Causes:

• Aspergillus
• Blastomycosis (uncommon)
• Coccidioidomycosis
• Cryptococcosis (uncommon)
• Histoplasmosis
• Pneumocystis
• Sporotrichosis

Parasitic Causes:

• Amoebiasis
• Echinococcosis
• Paragonimiasis

Tags: Cavitation - Pneumonia
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