Finger clubbing
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Finger clubbing, also called "drumstick fingers", is a common clinical sign in patients with heart or lung disease. The term is used to describe an enlargement of the distal phalanges of the fingers, giving them a drumstick or club-like appearance.
Clinical Presentation
Finger clubbing presents in a number of typical stages:
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Increasedincreased fluctuation of the nail bed -
Lossloss of the normal Lovibond angle at the base of the nail (Schamroth's window is lost). -
Increasedincreased convexity of the nail -
Wideningwidening or 'drumsticking' of the fingertip.
Pathology
The underlying pathogenesis of finger clubbing is unknown.
Associations
Finger clubbing is associated with a long list of chronic cardiopulmonary and GI diseases including 1:
- pulmonary disease
- cardiac disease
- GI disease
- others
- thyrotoxicosis (i.e. thyroid acropachy)
- familial - generally prepubescent
-<li>Increased fluctuation of the nail bed</li>-<li>Loss of the normal Lovibond angle at the base of the nail (Schamroth's window is lost).</li>-<li>Increased convexity of the nail</li>-<li>Widening or 'drumsticking' of the fingertip.</li>- +<li>increased fluctuation of the nail bed</li>
- +<li>loss of the normal Lovibond angle at the base of the nail (Schamroth's window is lost)</li>
- +<li>increased convexity of the nail</li>
- +<li>widening or 'drumsticking' of the fingertip</li>
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