A patient diagnosed with lung cancer presented with clubbing of the fingers and nicotine stains on the hands.
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While clubbing may occur with many conditions, when combined with nicotine staining, it is a particularly worrisome finding.
Clubbing has been reported in 29% of patients diagnosed with lung cancer. It is more common in patients with non-small cell lung carcinoma (35%) compared with patients diagnosed with small cell lung carcinoma (4%). 1
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- Schwartz R et al. “Clubbing of the nails.” Medscape. 13 May 2014. Retrieved 9/26/2014 from http://emedicine.medscape.com/article/1105946-overview#a0199.