نتایج جستجو برای: scaphoid bone

تعداد نتایج: 305838  

2011
P. P Dubey Navneet Kumar Chauhan M. S. Siddiqui

The nutrient vascular foramina of scaphoid bone were observed and clinical interpretations were discussed. The 220 dry scaphoid bones of adult age group were studied. The vascular foramina distal to mid of waist were 1 to 2 in 17.72 % specimen and rest of 82.28% bones had more then 2 foramina. There was no scaphoid without vascular foramina distal to mid of waist of scaphoid. But the proximal p...

Journal: :The Journal of bone and joint surgery. British volume 2008
F J P Beeres S J Rhemrev P den Hollander L M Kingma S A G Meylaerts S le Cessie K A Bartlema J F Hamming M Hogervorst

We evaluated 100 consecutive patients with a suspected scaphoid fracture but without evidence of a fracture on plain radiographs using MRI within 24 hours of injury, and bone scintigraphy three to five days after injury. The reference standard for a true radiologically-occult scaphoid fracture was either a diagnosis of fracture on both MRI and bone scintigraphy, or, in the case of discrepancy, ...

Journal: :Clinical nuclear medicine 2010
Steven J Rhemrev Andele D de Zwart Lucas M Kingma Sven A G Meylaerts Jan-Willem Arndt Inger B Schipper Frank J P Beeres

PURPOSE This study examined whether multidetector computed tomography (CT) is superior to bone scintigraphy for diagnosis of an occult scaphoid fracture. METHODS AND MATERIALS In a study period of 22 months, 100 consecutive patients with a clinically suspected scaphoid fracture and no fracture on scaphoid radiographs, were evaluated with CT within 24 hours after injury and bone scintigraphy b...

Journal: :Seminars in musculoskeletal radiology 2012
Mihra S Taljanovic Apostolos Karantanas James F Griffith Gregory L DeSilva Joshua D Rieke Joseph E Sheppard

The scaphoid is the most commonly fractured carpal bone, with frequent complications that are predisposed by its anatomical location, anatomical configuration (shape and length), and vascular supply. The most common mechanism of injury is a fall onto an outstretched hand. Imaging plays a significant role in the initial evaluation and treatment of scaphoid fractures and their complications. Radi...

Journal: :Hand 2013
Brian M Derby Peter M Murray Alexander Y Shin Reuben A Bueno Christophe L Mathoulin Tim Ade Michael W Neumeister

Primary bone healing fails to occur in 5-15 % of scaphoid bones that undergo fracture fixation. Untreated, occult fractures result in nonunion up to 12 % of the time. Conventional bone grafting is the accepted management in the treatment algorithm of scaphoid nonunion if the proximal pole is vascularized. Osteonecrosis of the proximal scaphoid pole intuitively suggests a need for transfer of th...

2014
JOSEPHINE G PATERSON

SCAPHOID FRACTURES account for 71% of carpal bone fractures, and between 2% and 7% of all orthopaedic fractures (Nishihara 2000). This type of injury also accounts for one in every 10,000 attendances annually in UK emergency departments (EDs) (Tai and Ramachandran 2005). Between 5% and 12% of scaphoid fractures are related to other fractures (Malik et al 2010). The scaphoid is one of the eight ...

Journal: :Archives of emergency medicine 1986
A W Wilson M H Kurer J L Peggington D S Grant C C Kirk

One hundred and eleven patients with signs and symptoms of carpal scaphoid injury, but with no fracture visible on X-ray, underwent bone scintigraphy of the wrists. The first 42 patients were re-X-rayed 10 days after injury: bone scanning had identified all fractures confirmed on this X-ray; there were no false negative bone scans. Sixty-seven patients (60%) did not have increased focal uptake ...

Journal: :Ortopedia, traumatologia, rehabilitacja 2006
Agnieszka Markowicz Bogusław Baczkowski Adam Lorczyński Joanna Sawicka Karolina Siwicka

Background. Pseudoarthrosis of the scaphoid results in the development of carpal instability and severe posttraumatic osteoarthritis. Modern methods of treatment focus on reconstruction of the anatomical shape and length of the scaphoid. The purpose of our study was to determine the occurrence of carpal osteoarthritis after surgical treatment of scaphoid pseudoarthrosis using a cortico-cancello...

2011
Steven J Rhemrev Daan Ootes Frank JP Beeres Sven AG Meylaerts Inger B Schipper

Fractures of the scaphoid bone mainly occur in young adults and constitute 2-7% of all fractures. The specific blood supply in combination with the demanding functional requirements can easily lead to disturbed fracture healing. Displaced scaphoid fractures are seen on radiographs. The diagnostic strategy of suspected scaphoid fractures, however, is surrounded by controversy. Bone scintigraphy,...

Journal: :RoFo : Fortschritte auf dem Gebiete der Rontgenstrahlen und der Nuklearmedizin 2016
R Schmitt H Rosenthal

Up to 30 % of acute scaphoid fractures are missed in conventional radiography. CT and MRI should be early performed in the diagnostic workflow, when radiograms (dorsopalmar, lateral and Stecher's views) are negative or inconclusive in fracture detection. Significance of CT is different from that of MRI: Sensitivity of CT imaging (85 to 95 %) is superior to conventional radiography (about 70 %),...

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