Lung cancer HY
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This document discusses the four main types of lung cancer: adenocarcinoma, squamous cell carcinoma, small cell carcinoma, and large cell carcinoma. It provides information on the incidence, typical location in the lungs, and common clinical associations for each type of lung cancer. Adenocarcinoma makes up 40-50% of lung cancers and is usually located in the periphery of the lungs. Squamous cell carcinoma accounts for 20-25% of cases and is typically central. Small cell carcinoma comprises 10-15% of lung cancers and is also usually central. Large cell carcinoma represents 5-10% of lung cancers and tends to be peripheral.
Lung cancer HY
- 1. Lung cancer Tumor type Incidence Location Clinical associations Adenocarcinoma 40%-50% Peripheral ? Clubbing ? Hypertrophic osteoarthropathy Squamous cell carcinoma 20%-25% Central ? Hypercalcemia ? Necrosis & cavitation Small cell carcinoma 10%-15% Central ? Cushing syndrome ? SIADH ? Lambert-Eaton syndrome Large cell carcinoma 5%-10% Peripheral ? Gynecomastia ? Galactorrhea SIADH = syndrome of inappropriate antidiuretic hormone.