Nail clubbing, also known as digital clubbing or clubbing, is a deformity of the finger or toe nails associated with several diseases, anomalies and defects, some congenital, mostly of the heart and lungs. When it occurs together with joint effusions, joint pains, and abnormal skin and bone growth it is known as hypertrophic osteoarthropathy.
Nail clubbing, also known as digital clubbing or clubbing, is a deformity of the finger or toe nails associated with several diseases, anomalies and defects, some congenital, mostly of the heart and lungs. When it occurs together with joint effusions, joint pains, and abnormal skin and bone growth it is known as hypertrophic osteoarthropathy.
Source: Wikipedia "Nail clubbing" · CC BY-SA 4.0
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