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Clubbing: Nail anomaly (due to underlying condition)

  1. Clubbing are changes in and around the tips of the fingernails and toenails that occur in some conditions. A patient with this abnormality has convex nails with wider fingertips and no cuticles. Some lung disease, heart disease, skin disease, and gastrointestinal disease are associated with this symptom. Normally the abnormality is not painful, but sometimes a patient presents with pain in the fingertips. Clubbing is sometimes congenital, but patients may also show this nail abnormality at a later age, which is associated with an underlying condition. Hippocrates was the first to describe this nail defect.

Epidemiology of nail disorder

  1. The exact prevalence of clubbing is unknown. Idiopathic or primary clubbing is rare, while secondary clubbing depends on the underlying condition. The racial predilection for secondary clubbing depends on the racial prevalence of the underlying condition. The sexual predilection of secondary clubbing of the fingers

Causes: Lung disease, heart disease, skin disease and gastrointestinal disease

  1. Lung disorders Lung cancer is the most common cause of clubbing. Clubbing often happens in heart disease and lung disease

Diagnosis and investigations

  1. Physical examination


  1. Clubbing may develop within weeks. It presents quickly but also disappears quickly when the doctor treats the cause.

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