AbstractGet full access to this articleView all access options for this article.Get accessReferences1. Sarkar M Mahesh DM Madabhavi I . Digital clubbing. Lung India. 2012, 29: 354–62.2. Spicknall KE Zirwas MJ English JC 3rd . Clubbing: an update on diagnosis, differential diagnosis, pathophysiology, and clinical relevance. J Am Acad Dermatol. 2005, 52: 1020–8.