Clinical pathology: upper and lower comprehensive notes detailed exam oriented
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These notes cover the entire respiratory tract from top to bottom. Here's a quick orientation guide:
How to Use These Notes
Upper Respiratory Tract (Part I):
- Acute infections → common cold, pharyngitis, epiglottitis, laryngitis, diphtheria
- Nasopharyngeal carcinoma (EBV)
- Laryngeal tumors: nodules, papilloma (HPV 6/11), SCC (smoking)
Lower Respiratory Tract (Part II):
| Topic | Key Exam Points |
|---|---|
| Atelectasis | 3 types + reversibility |
| ARDS | Diffuse alveolar damage, hyaline membranes, neutrophil-mediated |
| Emphysema | Centriacinar (smoking) vs. panacinar (α1-AT); protease-antiprotease |
| Chronic Bronchitis | Reid index >0.4; blue bloater |
| Asthma | Curschmann + Charcot-Leyden; aspirin → LTs; status asthmaticus |
| Bronchiectasis | Kartagener, CF, ABPA |
| ILD (UIP/IPF) | Temporal heterogeneity, fibroblast foci, basal/subpleural, poor Px |
| Sarcoidosis | Non-caseating granulomas, BHL, ACE↑, hypercalcemia |
| Pneumoconioses | Silicosis (birefringent, TB risk), Asbestosis (ferruginous bodies, mesothelioma) |
| Pneumonia | Lobar stages (congestion → red → gray → resolution) |
| TB | Ghon complex (primary) vs. apical cavitation (secondary) |
| Lung cancers | Location, paraneoplastics, mutations |
| Pulmonary HTN | BMPR2, plexiform lesions, WHO groups |
| PE | DVT origin, Hampton's hump, Westermark sign |
| Mesothelioma | Asbestos, calretinin+, CEA− |
The summary tables at the end are optimized for last-minute exam review. Let me know if you want any section expanded, a deeper dive into a specific topic, or practice MCQs.
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