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John-Henry Rhind, Abhinav Gulihar, Andrew Smith
Perilunate dislocations and perilunate fracture dislocations are rare and serious injuries. Perilunate dislocations represent less than 10% of all carpal injuries of which 61% represent transcaphoid fractures. Because of their rarity, up to 25% of perilunate dislocations are initially missed on first assessment. We present the case of a 66-year-old-gentleman who sustained an isolated trans-triquetral perilunate fracture dislocation while walking his dog. This was diagnosed in the emergency department and he underwent open reduction internal fixation after failed attempts at closed reduction in the ED and in theatre under general anaesthesia...
April 2018: Trauma Case Reports
Yuanyuan Chen, Lin Zhu, Jiahui Xing, Baokai Cui
Three new species of Phylloporia from tropical China are described in this study: P. manglietiae, P. pendula, and P. pseudopectinata. Phylloporia manglietiae is characterized by triquetrous to ungulate basidiomata, with 6-8 pores/mm, a monomitic to dimitic hyphal system, and broadly ellipsoidal basidiospores, 3-3.5 × 2-2.5 μm. Phylloporia pendula has small, imbricate, and pendent basidiomata, with 7-9 pores/mm, a dimitic hyphal system, and broadly ellipsoidal basidiospores, 3.5-4 × 2.5-3 μm. Phylloporia pseudopectinata differs from other species of Phylloporia by its applanate basidiomata, with 8-9 pores/mm, a dimitic hyphal system, and subglobose basidiospores, 3-3...
2017: Mycologia
Sarah A Shiga, Frederick W Werner, Marc Garcia-Elias, Brian J Harley
PURPOSE: To create a biomechanical model of palmar midcarpal instability by selective ligament sectioning and to analyze treatment by simulated partial wrist arthrodesis. METHODS: Nine fresh-frozen cadaver arms were moved through 3 servohydraulic actuated motions and 2 passive wrist mobilizations. The dorsal radiocarpal, triquetrohamate, scaphocapitate, and scaphotrapeziotrapezoid ligaments were sectioned to replicate palmar midcarpal instability. Kinematic data for the scaphoid, lunate, and triquetrum were recorded before and after ligament sectioning and again after simulated triquetrohamate arthrodesis (TqHA) and radiolunate arthrodesis (RLA)...
November 14, 2017: Journal of Hand Surgery
Lisa O'Brien, Luke Robinson, Eugene Lim, Hayley O'Sullivan, Helen Kavnoudias
STUDY DESIGN: Descriptive Epidemiological Study. INTRODUCTION: Ligament tears between carpal bones are easily missed on initial presentation, but can have potentially debilitating effects on the patient if they progress to an instability. They are usually the result of a fall onto an outstretched hand with the wrist in hyperextension. Current incidence of carpal instability after these falls is unknown. PURPOSE OF THE STUDY: Using established clinical and radiological measures, we sought to establish the cumulative incidence of carpal instability in people who have fallen onto an outstretched hand in the second year after injury...
October 5, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
J-F Hernekamp, U Kneser, T Kremer, B Bickert
OBJECTIVE: Preservation of residual mobility and pain reduction in the wrist in advanced carpal collapse (scapholunate advanced collapse, SLAC or scaphoid nonunion advanced collapse, SNAC). INDICATIONS: Advanced osteoarthritis of the radiocarpal and intercarpal articulations, SLAC/SNAC stages 2-3. CONTRAINDICATIONS: Arthrotic alterations to the proximal joint surface of the lunate bone or the corresponding joint surface of the radius (lunate fossa)...
August 8, 2017: Operative Orthopädie und Traumatologie
Sean Ong, Sreedharan Sechachalam
BACKGROUND: Congenital carpal coalition is usually seen as an incidental finding. The incidence of carpal coalition has been reported from 0.1 to 9.5 %; highest incidence has been reported in people of African descent. The purpose of our study is to evaluate the incidence and subtypes of carpal coalition in an Asian population. METHODS: Review of the radiographs of the patients in our distal radius fracture database from 2009 to 2014 was conducted to determine the incidence and type of carpal coalition...
June 2017: Journal of Hand Surgery Asian-Pacific Volume
Alexander Robert Poublon, Gerald Kraan, Gert-Jan Kleinrensink
Fusion of the carpal bones is a rare anatomical abnormality, caused by a defect in the separation and cavitation during embryonic development. It has a prevalence of about 0.1% and most of the time, patients do not present with symptoms. Symptoms are usually caused by wear and tear of the ligaments attached to the fused carpal fragments. We present a case in which a woman aged 36 years experiences pain caused by a lunato-triquetral instability which in turn is caused by a unilateral complete fusion of the scaphoid and the trapezium...
October 28, 2016: BMJ Case Reports
Matthew L Morin, Giles W Becker
Trans-scaphoid, trans-radial styloid, trans-triquetral perilunate fracture dislocations are rare. We describe a 19-year-old male who suffered this injury after crashing his bicycle. He underwent open reduction internal fixation and percutaneous pinning. Scaphoid union was achieved at 8 weeks. Near complete range of painless motion was achieved by 4 months.
2016: Case Reports in Plastic Surgery & Hand Surgery
Sarabjeet Kohli, Vikram Khanna, Nilesh D Virani, Hemant Chaturvedi
Carpal injuries are uncommon and are mainly seen in the younger age group. The incidence is unclear as many of the cases go undiagnosed. A 22-year-old male patient coming to the hospital after road traffic accidentwith head, face and left wrist injury. After immediate primary management the patient was taken up for a definitive procedure 4 days after the injury. Scaphoid fracture was fixed with the help of Herbert's screw via the dorsal approach. The base of the first metacarpal was fixed with the help of JESS fixator and the distal end radius was fixed with the help of K-wires...
January 2016: Bulletin of Emergency and Trauma
Abhijit J Chaudhari, Andrea Ferrero, Felipe Godinez, Kai Yang, David K Shelton, John C Hunter, Stanley M Naguwa, John M Boone, Siba P Raychaudhuri, Ramsey D Badawi
OBJECTIVE: Rheumatoid arthritis (RA) and psoriatic arthritis (PsA) commonly affect the small joints of the wrist and hand. We evaluated the performance of a new, high-resolution extremity positron emission tomography (PET)/CT scanner for characterizing and quantifying pathologies associated with the two arthritides in the wrist and hand joints. METHODS: Patients with RA or PsA underwent fluorine-18 fludeoxyglucose ((18)F-FDG) PET/CT wrist and hand imaging, respectively, on the high-resolution scanner...
July 2016: British Journal of Radiology
Sven Weum, Siri Millerjord, Louis de Weerd
BACKGROUND: The objective of this study was to describe the fracture pattern for hand fractures in the Arctic region of Norway. MATERIALS AND METHODS: Using the hospital's radiological information system and picture archiving and communication system all traumatic hand fractures in the year of 2010 were registered. Fractures in the carpal, metacarpal, and phalangeal bones were included in the study. RESULTS: A total of 593 patients with 691 fractures including 80 carpal, 200 metacarpal, and 411 phalangeal fractures were registered...
June 2016: Journal of Plastic Surgery and Hand Surgery
Yoshio Robert Hinde, Dylan Amali, Andrew Kanawati
No abstract text is available yet for this article.
December 17, 2015: ANZ Journal of Surgery
Semra Duran, Bedriye Mermercİ Başkan
Carpal coalition is a rare wrist anomaly. A coalition can be an isolated condition, but it can be observed as a component of a congenital syndrome as well. Carpal coalition is usually asymptomatic and detected incidentally. It is most frequently encountered as lunate-triquetral coalition, followed by capito-hamate coalition. Other coalition types are very rare. In this case report, we present a case in which the patient applied with complaints of pain, and in whom a coalition of capitate-trapezoid- second and third metacarpal was detected...
2015: Acta Orthopaedica et Traumatologica Turcica
K Eckert, R-B Tröbs, B Schweiger, P Liedgens, E Radeloff, O Ackermann
INTRODUCTION: Carpal fractures in children are rare, but can be missed, as their clinical symptoms are unspecific and discrete. Even X-ray diagnosis is difficult. Timely diagnosis and consistent therapy are especially important for scaphoid fractures, as they can help to avoid complications such as non-union or avascular necrosis. A diagnostic approach to paediatric carpal fractures will be discussed on the basis of the following group of patients. METHODS: Retrospective analysis of children under 14 years treated in our institution between 09/2010 and 02/2012 for clinically suspected carpal fracture...
February 2016: Zeitschrift Für Orthopädie und Unfallchirurgie
Blazej Pruszczynski, Jeremy Saller, Kenneth J Rogers, Laurens Holmes, Jennifer M Ty
BACKGROUND: Carpal coalitions (CCs) result from the failure of segmentation of the carpal anlage in early development. In the adult population, CC is usually described as an asymptomatic radiographic finding. Data on CC in the pediatric population are limited. This study examines the prevalence of CC in the pediatric population and characterizes the presentation and associated musculoskeletal conditions. METHODS: We used a cross-sectional design to assess data collected from all patients seen in our institution and associated facilities from August 2004 through February 2013...
December 2016: Journal of Pediatric Orthopedics
Bo Jan Noordman, Klaas Albert Hartholt, Jens Anthony Halm
No abstract text is available yet for this article.
September 21, 2015: BMJ Case Reports
L P Gan, M Satkunanantham, S Sreedharan, W Y Chew
We herein present a case of right triquetral fracture with associated pisiform and flexor carpi ulnaris subluxation in a 29-year-old man. Initial radiography showed a right triquetral fracture. Computed tomography and magnetic resonance imaging demonstrated a triquetral fracture with a subluxated pisiform. Open reduction and lag screw fixation of the right triquetrum was performed, with good subsequent recovery of function. Although triquetral fracture with subluxation of the pisotriquetral joint is uncommon, attending clinicians should bear in mind the possibility of such an injury when managing traumatic ulnar-sided wrist pain...
March 2015: Singapore Medical Journal
Albert Isidro, Ivan Díez-Santacoloma, Jose Méndez-López
OBJECTIVES: Carpal fusion is not an uncommon finding in archaeological bones. The majority of cases are due to inflammatory or infectious diseases and those are usually associated with other major alterations in the skeleton. METHODS: Two distinct individual cases, both adult females recovered from the Necropolis of Sharuna in the Middle Egypt from the Ptolemaic Period (IV to I BC) are presented in this study. Specimen 4323/1 shows a fusion of the scaphoid, lunate and triquetral bones in the right wrist...
January 2015: Clinical and Experimental Rheumatology
David Braig, Georgios Koulaxouzidis, Ziad Kalash, Jonas Bürk, G Björn Stark
In contrast to triquetral fractures, dislocations of the triquetrum are very uncommon because of the very strong ligamentous support. They occasionally occur in association with complex wrist injuries, isolated dislocations however are extremely rare. We report a case of a male athlete who sustained an isolated volar dislocation of the triquetrum. The injury was treated by open reduction, fixation with Kirschner-wires and direct repair of torn ligaments. Kirschner-wires were removed after 6 weeks and physiotherapy was started...
December 2014: Journal of Hand and Microsurgery
Alessio Pedrazzini, Marco Paterlini, Massimo Pompili, Silvio Tocco, Francesco Ceccarelli
Carpal fracture-dislocation associated to distal radius fractures is an uncommon injury of the wrist. Clinical assessment, instrumental diagnosis and treatment are all challenges for the surgeon. In addition, the prognosis in high-functioning patients is nearly always poor. The authors describe an early diagnosis of scapholunate dissociation and joint capsule tear associated with radial styloid and triquetral fractures in a 39-year-old professional piano player. A dorsal approach was used to reduce and fixate the fracture with k-wires, and to repair soft-tissue injuries with a Titanium micro-anchor...
August 20, 2014: Acta Bio-medica: Atenei Parmensis
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