Intraarticular Synovial Hemangioma of the Knee: An Unusual Cause of Chronic Pain in a SportsmanSilva, Rogério Teixeira MD, PhD; de Souza Laurino, Cristiano Frota MD; Moraes, Vinicius Ynoe MSClinical Journal of Sport Medicine: November 2007 - Volume 17 - Issue 6 - p 504-506 doi: 10.1097/JSM.0b013e31815889cf Case Report Author Information From the Orthopedic and Sports Medicine - Cordinator - NEO - Nucleo de Estudos em Esportes e Ortopedia, Sao Paulo, Brasil. Submitted for publication December 7, 2006; accepted July 22, 2007. The authors state that they have no financial interest in the products mentioned within this article. Reprints: Rogério Teixeira Silva, MD, PhD, R Botucatu 591, 180 Andar, Vila Clementino, 04023-062, São Paulo, São Paulo, Brazil (e-mail: firstname.lastname@example.org). © 2007 Lippincott Williams & Wilkins, Inc.