Basic and Clinical Sciences (BCSE) Practice Exam

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What is the likelihood of presenting with haemoptysis in lung cancer patients?

  1. Up to 25% of cases

  2. Up to 50% of cases

  3. More than 75% of cases

  4. Rarely present

The correct answer is: Up to 50% of cases

The likelihood of presenting with hemoptysis in lung cancer patients is indeed significant, with estimates indicating that up to 50% of patients experience this symptom at some point during their illness. Hemoptysis refers to coughing up blood or blood-stained sputum and is a noteworthy symptom because it can result from various underlying causes, including malignancies such as lung cancer. In lung cancer, hemoptysis often arises due to tumor invasion into the bronchial vessels or necrosis of the tumor tissue leading to bleeding. This symptom can serve as an important clinical indicator prompting further investigation for lung cancer, especially in patients with risk factors such as a history of smoking or exposure to carcinogens. Understanding the prevalence of hemoptysis in lung cancer patients helps healthcare providers in diagnosing and managing respiratory symptoms effectively, highlighting its significance in clinical practice.