Nail Clubbing: A Potential Sign of Lung Cancer
Background
What is Nail Clubbing?
Nail clubbing occurs when nails appear wider, spongelike, or swollen resembling an upside-down spoon. It often indicates an underlying health condition.
Finger Clubbing and Lung Cancer
Finger clubbing, characterized by swelling of the fingertips and changes in nail appearance, is a common symptom of lung cancer. In adults, lung malignancy is the most prevalent pulmonary cause of clubbing, affecting approximately 5-15% of patients.
Causes of Nail Clubbing in Lung Cancer
Research and Hypotheses
While the exact cause of nail clubbing in lung cancer is still under investigation, experts suspect that increased vascular endothelial growth factor (VEGF) may play a role. However, further research is needed to fully establish the cause.
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