Aidan: Created page with "== Background == * Clinical exam finding of fingers and toes characterized in an increase in the mass of the distal fingertip and increase in the longitudinal and transverse nail plate curvature == Physical Examination == * Assess the thickness of the distal fingertip * Lovibond angle is over 180 degrees, compared to 160 degrees in normal nails * Schamroth sign == Etiologies == * Acquired, usually starting with thumb and index fingers ** Lung cancer, IPF, ..."

2023-07-13T18:02:32Z

Created page with "== Background == * Clinical exam finding of fingers and toes characterized in an increase in the mass of the distal fingertip and increase in the longitudinal and transverse nail plate curvature == Physical Examination == * Assess the thickness of the distal fingertip * Lovibond angle is over 180 degrees, compared to 160 degrees in normal nails * Schamroth sign == Etiologies == * Acquired, usually starting with thumb and index fingers ** Lung cancer, IPF, ..."

New page

== Background ==

* Clinical exam finding of fingers and toes characterized in an increase in the mass of the distal fingertip and increase in the longitudinal and transverse nail plate curvature

== Physical Examination ==

* Assess the thickness of the distal fingertip
* Lovibond angle is over 180 degrees, compared to 160 degrees in normal nails
* Schamroth sign

== Etiologies ==

* Acquired, usually starting with thumb and index fingers
** [[Lung cancer]], [[IPF]], [[lung abscess]], [[pulmonary tuberculosis]], [[pulmonary lymphoma]]
** [[Heart failure]], [[endocarditis]], [[congenital heart disease]]
** [[Inflammatory bowel disease]], [[Cirrhosis|liver cirrhosis]], gastrointestinal cancer
* Acquired unilateral or single-digit clubbing
** Nearby vascular lesions
** [[Pancoast tumour]]
** [[Lymphadenitis]]
** [[Erythromelalgia]]
** Trauma
* Isolated congenital digital clubbing, a form of primary [[hypertrophic osteoarthropathy]]

[[Category:Clinical exam]]

Clubbing - Revision history