Mechanical strain at the pisotriquetral joint.

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Abstract

[Indexed for MEDLINE] 17. Hand (N Y). 2015 Jun;10(2):309-13. doi: 10.1007/s11552-014-9613-2. Nonunion of the pisiform bone in a 9-year-old boy. Brouwers L(1), Hannemann PF(2), Brink PR(2). Author information: (1)Department of Surgery and Trauma Surgery, Amphia Medical Centre, Molengracht 21, 4818 CK Breda, The Netherlands. (2)Department of Traumatology, Maastricht University Medical Centre, PO Box 5800, 6202 AZ Maastricht, The Netherlands. An isolated fracture of the pisiform bone is a rare condition, especially in children. The fracture may be missed in the emergency department because of the complex anatomy of the carpal region. Early diagnosis and treatment are, however, important for the functional outcome of the patient, since untreated dislocated carpal fractures may result in nonunion. We report one case of a 9-year-old boy with an unrecognized fracture of the pisiform bone who underwent a pisiformectomy 10 months after injury due to a nonunion of the pisiform bone. Good results were obtained and the wrist did not show any functional impairment. DOI: 10.1007/s11552-014-9613-2 PMCID: PMC4447654