Clubbing of the fingers or toes

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Clubbed fingers

Clubbing

Clubbing is a thickening of the flesh under toe and finger nails. The nail curves downward, instead of lying flat.

Clubbing

Clubbing is associated with a wide number of diseases. It is most often noted in heart and lung diseases that cause decreased blood oxygen and blue skin (cyanosis).

Clubbing may also be due to lung lung cancer, and diseases of the liver and the gastrointestinal tract.

Clubbing may also occur in families. In this case it may not be due to an underlying disease.

• Congenital heart disease (cyanotic type)
  • Tetralogy of Fallot
  • Tricuspid atresia
  • Transposition of the great vessels
  • Total anomalous venous return
  • Truncus arteriosus
• Cystic fibrosis
• Bronchiectasis
• Lung abscess
• Crohn's disease
• Celiac disease
• Cirrhosis
• Lung cancer
• Pulmonary fibrosis

Review Date: 02/14/2006
Reviewed By: David A. Kaufman, M.D., Assistant Professor, Division of Pulmonary, CriticalCare & Sleep Medicine, Mount Sinai School of Medicine, New York, NY. Reviewprovided by VeriMed Healthcare Network.