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Lung cancer – Treatment

Surgery

  • Performed in early stage non-small cell cancer (NSCC) (I, II, IIIA)
  • Pts with stage III need chemoradiation to ‘downgrade’ the tumour to render it resectable

Radiation

  • High dose radiotherapy or CHART (continuous hyperfractionated accelerated regimens)
    • For pts with adequate lung function and early stage NSCC
  • Treatment of choice when surgery is not possible due to comorbidities
  • SE – radiation pneumonitis; radiation fibrosis

Radiation as a palliative treatment

  • For pts with bone + chest wall pain from metastases
  • Hemoptysis, occluded bronchi
  • Superior vena cava syndrome

Chemotherapy + targeted drugs

  • Adjuvant chemo + radio
  • Cisplatin + pemetrexed
  • Cisplatin + etoposide – for small cell cancer (SCC)

Targeted drugs

  • Afatinib – EGFR TK inhibitor
  • Crizotinib – ALK TK inhibitor

Laser therapy, endobronchial irradiation, tracheobronchial stents

  • Used in the palliation of inoperable lung cancer
    • In pts with tracheobronchial narrowing producing cough, dyspnoea, infection, haemoptysis, respiratory failure
  • Neodymium (Nd-Yag) laser – passed through fibre-optic bronchoscope to vaporise intraluminal carcinoma
  • Endobronchialirradiation (brachytherapy)
  • Stent – made of silicone

SECONDARY TUMOURS

  • Lungs are common site for mets from other primary tumours
  • Common primary sites – kidney, prostate, breast, bone, GIT, cervix, ovary
  • Mets are MC in lung parenchyma and can remain asymptomatic
    • Mets in bronchi are rare
  • Renal cell carcinoma most commonly causes a solitary round shadow on CXR in an asymptomatic patient. ( cannonball mets )
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