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Spontaneous Urinary Voiding of a Metallic Implant After Operative Fixation of the Pubic Symphysis A Case Report
Monik Fridman, MD; Alexandre Melecchi Glass, MD; Jorge Antonio Pastro Noronha, MD; Eduardo Franco Carvalhal, MD; Rodrigo Klafke Martini
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Investigation performed at the Departments of Orthopaedics and Urology, Hospital São Lucas, Pontificia Universidade Católica do Rio Grande do Sul-PUCRS, Porto Alegre, Brazil

Monik Fridman, MD
Alexandre Melecchi Glass, MD
Jorge Antonio Pastro Noronha, MD
Eduardo Franco Carvalhal, MD
Rodrigo Klafke Martini
Departments of Orthopaedics (M.F. and A.M.G.) and Urology (J.A.P.N. and E.F.C.), Hospital São Lucas, Pontificia Universidade Católica do Rio Grande do Sul-PUCRS, Avenida Ipiranga 6690, Porto Alegre, RS, Brazil 90610-000. E-mail address for M. Fridman: mfridman@uol.com.br

The authors did not receive grants or outside funding in support of their research or preparation of this manuscript. They did not receive payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity. No commercial entity paid or directed, or agreed to pay or direct, any benefits to any research fund, foundation, educational institution, or other charitable or nonprofit organization with which the authors are affiliated or associated.

J Bone Joint Surg Am, 2003 Jun 01;85(6):1129-1132
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Displaced fractures and dislocations of the pelvic ring and acetabulum are usually treated with open reduction and internal fixation with a plate and screws. Loosening and migration of these plates can occur; however, to the best of our knowledge, we are the first to describe the migration of such implants into the urinary tract through the bladder wall. We report the case of a patient who experienced late migration of a screw and washer into the bladder with spontaneous voiding of the screw.
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    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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