Am J Emerg Med 2006 Nov;24(7):875-7
Department of Dermatology, Brigham and Women's Hospital, Boston, MA 02115, USA.
An injury to a finger or toe can result in a collection of blood under the nail plate that if unrelieved can cause extreme discomfort due to pressure. In this case, a 47-year-old man developed a subungual hematoma of the right thumb due to a crush injury. Controlled nail trephination was performed using a uniquely designed drill that penetrated the nail plate without breaching the nail bed. Read More