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Scaphoid bone

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https://www.readbyqxmd.com/read/29735292/delayed-idiopathic-hardware-associated-osteomyelitis-of-the-scaphoid
#1
Jack Burns, Evan Moore, Jacob Maus, Brian Rinker
Osteomyelitis of the carpal bones is rare and usually occurs in the setting of penetrating wounds or immune compromise. A case of hardware-associated scaphoid osteomyelitis is reported in a 33-year-old man who underwent screw fixation of a scaphoid fracture more than 20 years prior to presentation. The patient was treated with operative debridement including a total scaphoidectomy as well as intravenous antibiotics. Methicillin-sensitive Staphylococcus aureus was isolated from intraoperative cultures. A secondary proximal row carpectomy was performed to provide a stable wrist...
May 5, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29696114/the-effect-of-scaphoid-and-hamate-mobilization-on-treatment-of-patients-with-carpal-tunnel-syndrome
#2
Vida Dinarvand, Iraj Abdollahi, Seyed Ahmad Raeissadat, Mohammad Ali Mohseni Bandpei, Marzieh Babaee, Ailin Talimkhani
Background: This study was to evaluate the effect of hamate and scaphoid bone mobilization alongside splinting in women with carpal tunnel syndrome. Methods: In this randomized clinical trial, 40 participants were randomly assigned into 2 groups. The intervention group received splinting with scaphoid and hamate mobilization, while the control group received splinting only. Outcome variables were pain (based on visual analogue scale), symptom severity and functional status (based on Boston questionnaire), and nerve conduction study measured before and 10 weeks after the treatments...
October 2017: Anesthesiology and Pain Medicine
https://www.readbyqxmd.com/read/29675505/locking-dorsal-plate-in-four-bone-arthrodesis-in-slac-and-snac-3-wrist
#3
Simona Odella, Amos M Querenghi, Francesco M Locatelli, Ugo Dacatra, Elia Creta, Pierluigi Tos
Purpose  The aim of this study was to evaluate the effectiveness and the safety of performing a four-bone arthrodesis (FBA) with dorsal locking plate in patients suffering from stage III scapholunate advanced collapse/scaphoid nonunion advance collapse (SLAC/SNAC) wrist. Methods  We evaluated retrospectively 20 patients surgically treated by a FBA with the use of locking dorsal plate. All the patients were clinically evaluated at follow-up for grip strength, range of motion, and pain (visual analog scale), and with the Disability of the Arm, Shoulder and Hand score and the Mayo wrist score...
March 2018: Joints
https://www.readbyqxmd.com/read/29661070/scaphoid-cysts-literature-review-of-etiology-treatment-and-prognosis
#4
Tyler Safran, Jessica Hazan, Becher Al-Halabi, Hassan Al-Naeem, Sabrina Cugno
BACKGROUND: Cystic lesions of the carpal bones are rare entities that are infrequently reported in the literature. Scaphoid intraosseous cystic lesions represent a rare subset of carpal bone cysts. This review aims to summarize the available evidence on the evaluation and treatment of scaphoid cystic lesions to help guide clinical management. METHODS: Systematic electronic searches were performed using PubMed, Ovid, and Embase databases. Studies included were graded for their risk of bias...
April 1, 2018: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29651515/-erratum-to-osteoid-osteoma-in-the-scaphoid-bone-as-cause-of-radiocarpal-pain-in-a-15-year-old-patient
#5
T Jaehn, R Sievers, A Wanninger, J Kaiser, A Kaiser, B Reichert
No abstract text is available yet for this article.
April 12, 2018: Der Unfallchirurg
https://www.readbyqxmd.com/read/29616587/biomechanical-strength-of-retrograde-fixation-in-proximal-third-scaphoid-fractures
#6
Charles A Daly, Allison L Boden, William C Hutton, Michael B Gottschalk
BACKGROUND: Current techniques for fixation of proximal pole scaphoid fractures utilize antegrade fixation via a dorsal approach endangering the delicate vascular supply of the dorsal scaphoid. Volar and dorsal approaches demonstrate equivalent clinical outcomes in scaphoid wrist fractures, but no study has evaluated the biomechanical strength for fractures of the proximal pole. This study compares biomechanical strength of antegrade and retrograde fixation for fractures of the proximal pole of the scaphoid...
April 1, 2018: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29610609/the-outcome-of-using-a-jamshidi-biopsy-trocar-needle-in-a-novel-technique-for-bone-grafting-in-percutaneous-internal-fixation-of-scaphoid-non-union
#7
Syed Bokhari, Saifullah Hadi, Fahad Hossain, Bernd Ketzer
INTRODUCTION: We report the outcome of using a novel technique of minimally invasive internal fixation and distal radius bone grafting using the Jamishidi Trephine needle and biopsy/graft capture device. METHODS: The technique utilises a 8 mm incision at the distal pole of the scaphoid. The non-union is excavated using the standard Acutrak drill. An 8 gauge Jamshidi trephine needle is used to harvest bone graft from the distal radius which is impacted into the scaphoid and fixed with an Acutrak screw...
March 15, 2018: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29595703/the-clinical-result-of-arthroscopic-bone-grafting-and-percutaneous-k-wires-fixation-for-management-of-scaphoid-nonunions
#8
Young-Keun Lee, Kwang-Wook Choi, Sang-Hyun Woo, Pak Cheong Ho, Malrey Lee
The purpose of this study is to analyze the clinical results of patients with scaphoid nonunion treated with arthroscopic bone grafting and K (Kirschner)-wires fixation.We retrospectively reviewed the records of 27 patients with scaphoid nonunion who had been treated with arthroscopic bone grafting and K-wires fixation method from November 2008 to February 2014. The average patient age was 35 years. The time from injury to treatment averaged 45 months. The average follow-up period was 18 months. Bone union was assessed using serial plain radiographs...
March 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29576920/cadaveric-testing-of-a-novel-scapholunate-ligament-reconstruction
#9
Lana Kang, Christopher J Dy, Mike T Wei, Krystle A Hearns, Michelle G Carlson
Background  Existing scapholunate interosseous ligament (SLIL) reconstruction techniques include fixation spanning the radiocarpal joint, which do not reduce the volar aspect of the scapholunate interval and may limit wrist motion. Questions/Purpose  This study tested the ability of an SLIL reconstruction technique that approximates both the volar and dorsal scapholunate intervals, without spanning the radiocarpal joint, to restore static scapholunate relationships. Materials and Methods  Scapholunate interval, scapholunate angle, and radiolunate angle were measured in nine human cadaveric specimens with the SLIL intact, sectioned, and reconstructed...
April 2018: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/29576647/a-scoring-system-to-demonstrate-the-risk-for-bone-injury-in-patients-with-clinically-suspected-or-occult-scaphoid-fracture
#10
H Bahadir Gokcen, Mehmet Akif Akcal, Koray Unay, Selahattin Ozyurek, Oguz Poyanli, Irfan Esenkaya
Background: It is important to diagnose a scaphoid fracture accurately and start the correct treatment in the shortest time possible. However, the fracture of bone may not be visible on x-ray. In such cases, patients are clinically diagnosed with suspected or occult scaphoid fractures. The aim of this study was to define a scoring system based on physical examination to demonstrate the risk for bone injury in patients with clinically suspected and occult scaphoid fractures with negative radiographs and anatomical snuff box tenderness and to decrease the costs and workforce loss due to unnecessary treatment and magnetic resonance imaging (MRI)...
March 2018: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/29556686/-osteoid-osteoma-in-the-scaphoid-bone-as-cause-of-radiocarpal-pain-in-a-15-year-old-patient
#11
T Jaehn, R Sievers, A Wanninger, J Kaiser, A Kaiser, B Reichert
Osteoid osteomas are benign bone tumors which rarely occur in the hand and impose severe diagnostic problems. The course of the disease is often protracted before the patient receives an adequate surgical treatment. The case of an osteoid osteoma in the scaphoid bone of a 15-year-old patient is presented, who was completely symptom free after a true diagnostic odyssey by resection of the nidus and reconstruction by crest bone graft and spongiosaplasty.
March 19, 2018: Der Unfallchirurg
https://www.readbyqxmd.com/read/29551580/early-scaphoid-fractures-are-better-diagnosed-with-ultrasonography-than-x-rays-a-prospective-study-over-114-patients
#12
Ravikant Jain, Nikhil Jain, Tanveer Sheikh, Charanjeet Yadav
PURPOSE: Wrist has a complex anatomy and undergoes complex injuries. Scaphoid fracture is one of such injuries. It is the most common fracture in carpal bone. Most of the scaphoid fractures are missed on initial X-rays. Magnetic resonance imaging (MRI) is considered as a gold standard for diagnosing scaphoid fractures. Ultrasonography (USG) is emerging as a good alternative to make an early diagnosis of scaphoid fractures. Our aim is to throw light upon the role of USG in detection of scaphoid fractures...
January 31, 2018: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/29541786/osteoid-osteoma-of-the-scaphoid-bone-associated-with-flexor-carpi-radialis-calcific-tendinitis-and-treated-with-ct-guided-rf-ablation
#13
Michalis Michaelides, Elena Drakonaki, Elia Petridou, Maria Pantziara, Cleanthis Ioannides
Osteoid osteomas of the wrist are relatively rare and the diagnosis is challenging due to atypical clinical features. We describe a case of an osteoid osteoma of the scaphoid bone associated with calcific tendinitis of the adjacent flexor carpi radialis tendon and periarticular soft tissue calcifications in a 21-year-old man presenting with radial-sided wrist pain. The lesion was successfully treated with CT-guided RF ablation. To our knowledge, this is the first description of an osteoid osteoma of the wrist associated with calcific tendinitis and periarthritis...
March 14, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29537954/scaphoid-nonunions
#14
Christopher Klifto, Austin Ramme, Anthony Sapienza, Nader Paksima
Scaphoid nonunions are challenging injuries to manage and the optimal treatment algorithm continues to be debated. Most scaphoid fractures heal when appropriately treated; however, when nonunions occur, they require acute treatment to prevent future complications like scaphoid nonunion advanced collapse. Acute nonunion treatment technique depends on nonunion location, vascular status of the proximal pole, fracture malalignment, and pre-existing evidence of arthrosis. Bone grafting and vascular grafts are common in nonunion management...
March 2018: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/29510891/lunate-grafting-into-the-radius-for-lunate-fossa-reconstruction-in-madelung-deformity
#15
Ricardo Kaempf de Oliveira, Pedro José Delgado, Samuel Ribak, Jayme Augusto Bertelli, Fabiano da Silva Marques
A 40-year-old woman presented with Madelung deformity and severe arthritic changes at both the radiocarpal and the distal radioulnar joints. She was treated by using her lunate as an osteochondral graft into the radius allowing reconstruction of the lunate fossa. The scaphoid and triquetrum were removed concomitantly and a Sauve-Kapandji procedure was performed. Complete bone healing was achieved. Ten years later, an excellent functional result was maintained, with a pain-free wrist, an acceptable wrist joint range of motion, as well as a favorable aesthetic appearance...
March 3, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29503035/pisiform-malalignment-associated-with-distal-radius-fractures
#16
Takafumi Tajima, Yukichi Zenke, Yoshiaki Yamanaka, Kunitaka Menuki, Akinori Sakai
BACKGROUND: The association of scaphoid or other carpal bone fractures with distal radius fractures is frequently reported, whereas few studies have described pisiform malalignment associated with distal radius fractures. The purpose of this study was to investigate the frequency and characteristics of pisiform malalignment associated with distal radius fractures. METHODS: We performed a retrospective study by reviewing the data of 152 consecutive patients with a mean age of 63 years who were treated surgically for distal radius fractures during a five-year period...
May 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29488208/time-dependent-changes-in-bone-healing-capacity-of-scaphoid-fractures-and-non-unions
#17
Gernot Schmidle, Hannes Leonhard Ebner, Günter Klima, Kristian Pfaller, Josef Fritz, Romed Hoermann, Markus Gabl
The scaphoid is the most frequently fractured carpal bone and prone to non-union due to mechanical and biological factors. Whereas the importance of stability is well documented, the evaluation of biological activity is mostly limited to the assessment of vascularity. The purpose of this study was to select histological and immunocytochemical parameters that could be used to assess healing potential after scaphoid fractures and to correlate these findings with time intervals after fracture for the three parts of the scaphoid (distal, gap and proximal)...
February 27, 2018: Journal of Anatomy
https://www.readbyqxmd.com/read/29459171/tensile-and-torsional-structural-properties-of-the-native-scapholunate-ligament
#18
Eric Quan Pang, Nathan Douglass, Anthony Behn, Matthew Winterton, Michael J Rainbow, Robin N Kamal
PURPOSE: The ideal material for reconstruction of the scapholunate interosseous ligament (SLIL) should replicate the mechanical properties of the native SLIL to recreate normal kinematics and prevent posttraumatic arthritis. The purpose of our study was to evaluate the cyclic torsional and tensile properties of the native SLIL and load to failure tensile properties of the dorsal SLIL. METHODS: The SLIL bone complex was resected from 10 fresh-frozen cadavers. The scaphoid and lunate were secured in polymethylmethacrylate and mounted on a test machine that incorporated an x-y stage and universal joint, which permitted translations perpendicular to the rotation/pull axis as well as nonaxial angulations...
February 17, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29447761/new-neandertal-wrist-bones-from-el-sidr%C3%A3-n-spain-1994-2009
#19
Tracy L Kivell, Antonio Rosas, Almudena Estalrrich, Rosa Huguet, Antonio García-Tabernero, Luis Ríos, Marco de la Rasilla
Twenty-nine carpal bones of Homo neanderthalensis have been recovered from the site of El Sidrón (Asturias, Spain) during excavations between 1994 and 2009, alongside ∼2500 other Neandertal skeletal elements dated to ∼49,000 years ago. All bones of the wrist are represented, including adult scaphoids (n = 6), lunates (n = 2), triquetra (n = 4), pisiforms (n = 2), trapezia (n = 2), trapezoids (n = 5), capitates (n = 5), and hamates (n = 2), as well as one fragmentary and possibly juvenile scaphoid...
January 2018: Journal of Human Evolution
https://www.readbyqxmd.com/read/29447753/kinematics-of-the-anthropoid-os-centrale-and-the-functional-consequences-of-scaphoid-centrale-fusion-in-african-apes-and-hominins
#20
Caley M Orr
In most primates, the os centrale is interposed between the scaphoid, trapezoid, trapezium, and head of the capitate, thus constituting a component of the wrist's midcarpal complex. Scaphoid-centrale fusion is among the clearest morphological synapomorphies of African apes and hominins. Although it might facilitate knuckle-walking by increasing the rigidity and stability of the radial side of the wrist, the exact functional significance of scaphoid-centrale fusion is unclear. If fusion acts to produce a more rigid radial wrist that stabilizes the hand and limits shearing stresses, then in taxa with a free centrale, it should anchor ligaments that check extension and radial deviation, but exhibit motion independent of the scaphoid...
January 2018: Journal of Human Evolution
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