Lung Cancer Flashcards
What are two different types of lung cancer?
- Small cell lung cancer (SCLC) 15%
2. Non-small cell lung cancer (NSCLC) 85%
What is the presentation and epid like for SCLC?
- 2/3 patients have distant metastasis at presentation
- Develops older adult smokers 65-70
- Male
What are RF for SCLC?
- Cig smoking
- Exposure second hand tobacco smoke
- Radon gas
- Age
What is the presentation of NSCLC like?
small tumour in lung often asymptomatic so majority have locally advance or metastatic disease at diagnosis
What are RF for NSCLC?
- Cig smoking
- Exposure to tobacco smoke
- Radon gas
- Asbestos (esp Sqcc)
- COPD
What is lung cancer?
group of malignant epithelial tumour arising from cells lining lower resp tract
Which type of lung cancer is more common?
NSCLC (80%)
What are the 3 main types of NSCLC?
- adenocarcinoma
- squamous cell carcinoma
- large cell carcinoma
What are signs of symptoms of lung cancer?
- Cough
- Chest pain
- Haemoptysis
- Dyspnoea
- Weight loss
- Clubbing
- Cachexia
What are DDx for lung cancer?
- SC/NSC lung cancer
- Pneumonia/bronchitis
- Carcinoid tumour
- Metastatic cancer from a non-thoracic primary site
- Infectious granuloma
- Sarcoidosis
What should happen for a sus lung mass?
biopsied during bronchoscopy or using CT guidance
What would CXR show in SCLC?
central mass, hilar lymphadenopathy, pleural effusion
What would sputum culture show in SCLC?
malignant cells
What would CXR show in NSCLC?
can detect single or multiple pulmonary nodules, mass, pleural effusion, lung collapse or mediastinal or hilar fullness
What other imaging should be done for lung cancer?
- Contrast enhance CT of lower neck, throax and upper abdomen
What is management of SCLC?
Chemotherapy + radiotherapy + prophylactic irradiation
When is surgery offered in SCLC?
patients with clinical T1N0 or T2N0 disease after mediastinoscopy
What is treatment for NSCLC?
- Chemotherapy and radiotherapy
2. Surgery and molecular targeted therapy for specific genotypes and immunotherapy
What are some complications for lung cancer?
- Post-obstructive pneumonia/hypoxia
- Chemotherapy-induced haematological toxicity
- Superior vena cava syndrome
What is survival for SCLC like?
5 year survival: 12-24% for limited stage and 1 to 5% for extensive stage
What is definition of LC?
malignant neoplasm of lung
What is definition of primary lung cancer?
originated from lung