Respiratory Pathology Flashcards
Pneumonia
Inflammation + bronchus consolidation
Pneumonitis
Inflammation only
Sx of lobar pneumonia
Fever
Cough
Sx of bronchopneumonia
Asymptomatic
Flu like Sx
Lobar pneumonia pathogen
eg. Strep pneumonia
Strong
Bronchopneumonia pathogens
eg. Influenza and Staph
Weak
Complications of pneumonia
Abscess
Empyema
Fibrosis
Bacteraemic dissemination to other organisms
Pulmonary TB pathogens
Mycobacterium tuberculosis Hominis
Mycobacterium tuberculosis Bovis
Mycobacterium tuberculosis Hominis
Typical
Human-human spread
Mycobacterium tuberculosis Bovis
Atypical
Cattle-human spread
Rare
Types of pulmonary TB
Primary
Secondary
Miliary
Primary pulmonary TB
Acute inflammation Neutrophils can't destroy Macrophage phagocytosis Chronic Granuloma
Secondary pulmonary TB
Re-entry / Immunosuppressed
Recurrence
Miliary pulmonary TB
Primary or Secondary
Weak immune system
Colony formation in lungs + elsewhere
Ix for TB
Acid Fast Bacili (AFB) staining and culture
Raised ESR
Rx of TB
Combination abx for at least 6 months
Disinfecting TB
UV light
Unresponsive to heat or disinfectants
Bronchogenic carcinoma RFs
Smoking
Asbestos
Radiation
Oncogenes
Oncogenes associated with Bronchogenic carcinoma
c-Myc - small cell carcinoma
K-ras - adenocarcinoma
Classification of bronchogenic carcinoma
Squamous cell carcinoma Adenocarcinoma Brochoalveolar carcinoma Large cell undifferentiated carcinoma Neuroendocrine tumours
Metastasis site of brochogenic carcinomas
Bone
Brain
Liver
Adrenals
Cause of BPH
Androgens - DHT
Histology of BPH
Increased glandular and stromal component
Histology of prostate carcinoma
Adenocarcinoma
Small glandular structures
Lined by single cell layer