A rare case of fracture of the coronoid and the pterygoid process caused by firearms is described. A 28-year-old male was hit by a bullet in the face, resulting in restricted mouth opening, difficulty in chewing and pain when opening the mouth. Clinical examination revealed a perforating wound in the right parotid region and a similar wound on the left side of the same region. A CT scan showed comminuted fracture of the left coronoid process and bilateral comminuted fracture of the pterygoid processes. Treatment was conservative, speech therapy was conducted and it was successful. Details of the clinical signs, radiology (3D-CT scan), treatment and follow-up are presented.
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http://dx.doi.org/10.1590/s0103-64402007000200016 | DOI Listing |
BMC Musculoskelet Disord
January 2025
Department of Sports Orthopaedics, Klinikum rechts der Isar (Technical University of Munich), Ismaninger Straße 22, 81675, Munich, Germany.
Purpose: This study aims to describe a fixation technique for coronoid fractures using suture buttons, and to biomechanically evaluate this technique in comparison to screw fixation as a time-zero pilot study.
Methods: An O'Driscoll type 2 anteromedial coronoid facet (AMCF) fracture was simulated in 20 fresh-frozen human elbows. The specimens were randomized into two groups and fracture fixation was performed with either a suture button system or a 3.
Case: We present a 79-year-old woman with a complex elbow fracture including a comminuted proximal ulna fracture, coronoid process fracture, and comminuted radial head fracture treated with primary total elbow arthroplasty (TEA). The patient completed an early therapy protocol and had complete healing. At 15 months postoperatively, she had full pronosupination and elbow arc of motion from 10 to 135° with no reported pain.
View Article and Find Full Text PDFOrthop Surg
January 2025
Tianjin Hospital, Tianjin, China.
Varus posteromedial rotatory instability (VPMRI) of the elbow is one of the complex elbow instability. The primary sites of injury encompass fractures of the anteromedial coronoid process and injuries to the lateral collateral ligament of the elbow. Some patients may present with involvement of the medial collateral ligament of the elbow.
View Article and Find Full Text PDFArch Orthop Trauma Surg
December 2024
Sporthopaedicum Regensburg, Regensburg, Germany.
Purpose: Varus posteromedial rotatory instability (VPMRI) involves anteromedial coronoid fracture (AMCF), lateral ulnar collateral ligament (LUCL), and medial collateral ligament (MCL) injury. There is no general consensus regarding the surgical treatment, but most surgeons recommend internal fixation of the coronoid along with primary ligament repair. This methodology involves postoperative immobilization to allow ligament healing, occasionally associated with stiffness.
View Article and Find Full Text PDFClin Orthop Relat Res
December 2024
Department of Orthopaedic Surgery, University Medical Centre Groningen and Groningen University, Groningen, the Netherlands.
Background: The terrible triad injury involves an ulnohumeral dislocation, radial head fracture, and coronoid process fracture. According to traditional teaching, these injuries are strongly associated with anterolateral coronoid tip fractures and can be addressed via a lateral approach to the elbow. However, recent small clinical series suggest that some terrible triad injuries have larger coronoid fractures involving the anteromedial facet.
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