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14 résultat(s) recherche sur le mot-clé 'MRI'
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MRI following UKA : The component-bone interface / Dominik Malcherczyk in Acta Orthopaedica Belgica, Vol. 81/1 (Mars 2015)
[article]
Titre : MRI following UKA : The component-bone interface Type de document : texte imprimé Auteurs : Dominik Malcherczyk, Auteur ; Jens Figiel, Auteur ; Ulrike Hähnlein, Auteur Année de publication : 2015 Article en page(s) : p. 84-89 Langues : Anglais (eng) Mots-clés : UKA MRI Knee Unicompartmental Knee Arthroplasty Magnet Resonance Imaging Component-bone interface Résumé : Introduction : Loosening is one of the major longterm failure modes in unicondylar knee arthroplasty (UKA). The aim of the study is to describe and characterize implant-bone interface of femoral and tibial components after UKA by means of magnet resonance imaging (MRI). Material and Methods : MRI tailored to reduce metallic artefact of the knee after medial UKA was performed in 10 patients as a pilot study. The component-bone interface at femoral and tibial components was evaluated by two independent investigators. They gave degree of confidence to their evaluation of each parameter on a five-point scale. Inter-observer reliability was determined. Results : Artefacts provoked by the implants were rare. Inter-observer reliability and confidence were excellent for the femoral interface. They were lower at the tibial interface but results were still satisfactory. Conclusion : Tailored MRI allows reproducible analysis of the component-bone interface after UKA. It is helpful in assessment of suspected loosening after UKA. Permalink : ./index.php?lvl=notice_display&id=36003
in Acta Orthopaedica Belgica > Vol. 81/1 (Mars 2015) . - p. 84-89[article] MRI following UKA : The component-bone interface [texte imprimé] / Dominik Malcherczyk, Auteur ; Jens Figiel, Auteur ; Ulrike Hähnlein, Auteur . - 2015 . - p. 84-89.
Langues : Anglais (eng)
in Acta Orthopaedica Belgica > Vol. 81/1 (Mars 2015) . - p. 84-89
Mots-clés : UKA MRI Knee Unicompartmental Knee Arthroplasty Magnet Resonance Imaging Component-bone interface Résumé : Introduction : Loosening is one of the major longterm failure modes in unicondylar knee arthroplasty (UKA). The aim of the study is to describe and characterize implant-bone interface of femoral and tibial components after UKA by means of magnet resonance imaging (MRI). Material and Methods : MRI tailored to reduce metallic artefact of the knee after medial UKA was performed in 10 patients as a pilot study. The component-bone interface at femoral and tibial components was evaluated by two independent investigators. They gave degree of confidence to their evaluation of each parameter on a five-point scale. Inter-observer reliability was determined. Results : Artefacts provoked by the implants were rare. Inter-observer reliability and confidence were excellent for the femoral interface. They were lower at the tibial interface but results were still satisfactory. Conclusion : Tailored MRI allows reproducible analysis of the component-bone interface after UKA. It is helpful in assessment of suspected loosening after UKA. Permalink : ./index.php?lvl=notice_display&id=36003 Exemplaires (1)
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Exclu du prêtShould A Lumbar MRI For Back Pain Routinely Include The Sacro-Iliac Joint ? / Francis BROOKS in Acta Orthopaedica Belgica, Vol 80/4 (Décembre 2014)
[article]
Titre : Should A Lumbar MRI For Back Pain Routinely Include The Sacro-Iliac Joint ? Type de document : texte imprimé Auteurs : Francis BROOKS, Auteur Année de publication : 2014 Article en page(s) : p.464-467 Langues : Anglais (eng) Mots-clés : back pain sacroiliac joint MRI Résumé : Back pain is a common problem and has been shown to affect approximately 85% of the adult population at any one time. The source of this pain can be difficult to identify and the sacroiliac joint (SIJ) has been proposed as a possible pain source. Its percentage contribution to lower back pain is controversial. Clinical provocative tests for SIJ pathology have been developed but these have high intra and inter-observer variability and the significant of positive findings is unclear. This study proposes that the SIJ should not be imaged as part of a routine MRI lumbar spine series. Method : We retrospectively reviewed the images of 353 patients who had MRI lumbar spine scans. 130 had the SIJ imaged. We recorded the clinical findings and diagnosis at referral. We reviewed the images and documented the radiological findings. Results : SI joint pathology was most frequently identified when clinical suspected. Overall SIJ pathology found on MRI in only 0.02% of patients. Conclusion : We conclude that routinely imaging the SIJ in MRI lumbar spine series is not cost-effective or a useful use of resources. The SIJ should be imaged only if significant clinical findings are demonstrated. Permalink : ./index.php?lvl=notice_display&id=34665
in Acta Orthopaedica Belgica > Vol 80/4 (Décembre 2014) . - p.464-467[article] Should A Lumbar MRI For Back Pain Routinely Include The Sacro-Iliac Joint ? [texte imprimé] / Francis BROOKS, Auteur . - 2014 . - p.464-467.
Langues : Anglais (eng)
in Acta Orthopaedica Belgica > Vol 80/4 (Décembre 2014) . - p.464-467
Mots-clés : back pain sacroiliac joint MRI Résumé : Back pain is a common problem and has been shown to affect approximately 85% of the adult population at any one time. The source of this pain can be difficult to identify and the sacroiliac joint (SIJ) has been proposed as a possible pain source. Its percentage contribution to lower back pain is controversial. Clinical provocative tests for SIJ pathology have been developed but these have high intra and inter-observer variability and the significant of positive findings is unclear. This study proposes that the SIJ should not be imaged as part of a routine MRI lumbar spine series. Method : We retrospectively reviewed the images of 353 patients who had MRI lumbar spine scans. 130 had the SIJ imaged. We recorded the clinical findings and diagnosis at referral. We reviewed the images and documented the radiological findings. Results : SI joint pathology was most frequently identified when clinical suspected. Overall SIJ pathology found on MRI in only 0.02% of patients. Conclusion : We conclude that routinely imaging the SIJ in MRI lumbar spine series is not cost-effective or a useful use of resources. The SIJ should be imaged only if significant clinical findings are demonstrated. Permalink : ./index.php?lvl=notice_display&id=34665 Exemplaires (1)
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Exclu du prêtDifferential diagnosis of acute traumatic hip pain in the elderly / Matthew Hampton in Acta Orthopaedica Belgica, Vol.87/1 (Mars 2021)
[article]
Titre : Differential diagnosis of acute traumatic hip pain in the elderly Type de document : texte imprimé Auteurs : Matthew Hampton ; Richard Stevens ; Adrian Highland ; Richard Gibson ; Mark B. Davies Année de publication : 2021 Article en page(s) : p. 1-7 Note générale : https://doi.org/10.52628/87.1.01 Langues : Anglais (eng) Mots-clés : Hip pain hip fracture pelvic trauma MRI occult hip fracture Résumé : Elderly patients who present with an inability to weight bear following a fall, with normal radiographs, should be appropriately investigated to rule out an occult hip fracture (OHF). We aim to identify both the range and incidence of the differential diagnosis of acute traumatic hip pain in a large series of patients investigated for OHF.A retrospective analysis of consecutive patients investigated for an OHF with magnetic resonance imaging (MRI) was performed. Dedicated musculo-skeletal radiologists reported the MRI scans. All diagnoses including hip fractures, other fractures and soft tissue injuries were recorded. Case notes were reviewed for all patients to identify subsequent complications, management and outcomes. A total of 157 patients fulfilled the inclusion criteria. 52 (33%) patients had a fracture of the proximal femur. The majority of patients with proximal femoral fractures required surgical intervention. 9 patients who had fractures of the greater trochanter of the femur without fracture extension across the femoral neck were managed non-operatively.40 (25%) patients had fractures of the pelvis, with a combined pubic rami and sacral fracture occurring frequently. The most common diagnosis was a soft tissue injury alone that was seen in 60 (38%) patients imaged. Injuries to the gluteal muscle group, iliopsaos complex and trochanteric bursa were most prevalent. All patients with soft tissue injuries or fractures of the pelvis were successfully managed non-operatively. This study highlights a wide range of differential diagnoses in elderly patients presenting with acute traumatic hip pain. The proximal femur was frac-tured in 33% of patients imaged for OHFs in our series. The most common diagnosis was a soft tissue injury around the hip and pelvis ; these injuries can be successfully managed without surgery. Permalink : ./index.php?lvl=notice_display&id=96570
in Acta Orthopaedica Belgica > Vol.87/1 (Mars 2021) . - p. 1-7[article] Differential diagnosis of acute traumatic hip pain in the elderly [texte imprimé] / Matthew Hampton ; Richard Stevens ; Adrian Highland ; Richard Gibson ; Mark B. Davies . - 2021 . - p. 1-7.
https://doi.org/10.52628/87.1.01
Langues : Anglais (eng)
in Acta Orthopaedica Belgica > Vol.87/1 (Mars 2021) . - p. 1-7
Mots-clés : Hip pain hip fracture pelvic trauma MRI occult hip fracture Résumé : Elderly patients who present with an inability to weight bear following a fall, with normal radiographs, should be appropriately investigated to rule out an occult hip fracture (OHF). We aim to identify both the range and incidence of the differential diagnosis of acute traumatic hip pain in a large series of patients investigated for OHF.A retrospective analysis of consecutive patients investigated for an OHF with magnetic resonance imaging (MRI) was performed. Dedicated musculo-skeletal radiologists reported the MRI scans. All diagnoses including hip fractures, other fractures and soft tissue injuries were recorded. Case notes were reviewed for all patients to identify subsequent complications, management and outcomes. A total of 157 patients fulfilled the inclusion criteria. 52 (33%) patients had a fracture of the proximal femur. The majority of patients with proximal femoral fractures required surgical intervention. 9 patients who had fractures of the greater trochanter of the femur without fracture extension across the femoral neck were managed non-operatively.40 (25%) patients had fractures of the pelvis, with a combined pubic rami and sacral fracture occurring frequently. The most common diagnosis was a soft tissue injury alone that was seen in 60 (38%) patients imaged. Injuries to the gluteal muscle group, iliopsaos complex and trochanteric bursa were most prevalent. All patients with soft tissue injuries or fractures of the pelvis were successfully managed non-operatively. This study highlights a wide range of differential diagnoses in elderly patients presenting with acute traumatic hip pain. The proximal femur was frac-tured in 33% of patients imaged for OHFs in our series. The most common diagnosis was a soft tissue injury around the hip and pelvis ; these injuries can be successfully managed without surgery. Permalink : ./index.php?lvl=notice_display&id=96570 Exemplaires (1)
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Exclu du prêtDoes anterolateral ligament injury change the treatment option in patients with partial ACL tears? / Burak Gunaydin in Acta Orthopaedica Belgica, Vol.87/2 (Juin 2021)
[article]
Titre : Does anterolateral ligament injury change the treatment option in patients with partial ACL tears? Type de document : texte imprimé Auteurs : Burak Gunaydin ; Tugba Ilkem Kurtoglu Ozcaglayan ; Mehmet Umit Cetin ; Abdulkadir Sari ; Yasar Mahsut Dincel ; Cagatay Tekin Année de publication : 2021 Article en page(s) : p. 366-373 Note générale : https://doi.org/10.52628/87.2.24 Langues : Anglais (eng) Mots-clés : anterior cruciate ligament partial ACL tear anterolateral ligament arthroscopic reconstruction MRI Résumé : Patients with ACL tears with ALL injury have more clinical complaints (instability, feeling of the pop on the knee or knee sliding). patients have ALL injury with partial ACL tears, It is unclear whether the choice of treatment will be conservative or surgical.
This study aimed to determine the effect of anterolateral ligament (ALL) status, whether intact or ruptured, on the choice of conservative or surgical treatment in patients with partial anterior cruciate ligament (ACL) tears.
Between 2015 and 2019, patients with suspected partial ACL tears were identified on both physical examination and MR imaging. 122 patients who had partial ACL tears and also status of patient’s ALL could be evaluated by radiologist were included in the study, retrospectively.
Sixty-two patients who underwent ACL reconstruction were determined as group 1, and 60 patients who did not undergo ACL reconstruction were defined as group 2. In patients with partial ACL rupture with or without ACL reconstruction, it was evaluated whether a ruptured or non- ruptured ALL was effective in this decision of conservative or surgically.
The MRIs of patients with partial ACL tears were evaluated by a radiologist and it was concluded that the ALLs of 50 patients were ruptured, and 72 were intact. The ALLs of 36 patients in group 1 were ruptured, and 26 patients were intact. Fourteen patients in group 2 had ruptured ALLs, 46 patient’s ALLs were intact. Seventy-two percent of the patients with partial ACL tears who had ruptured ALLs in MRI underwent ACL reconstruction.
It was found that ACL reconstruction was performed more frequently in patients with partial ACL tears with ALL rupture. Therefore, we believe that preoperative evaluations of ALLs using MRI in patients with partial ACL tears are essential for surgical planning.Permalink : ./index.php?lvl=notice_display&id=96674
in Acta Orthopaedica Belgica > Vol.87/2 (Juin 2021) . - p. 366-373[article] Does anterolateral ligament injury change the treatment option in patients with partial ACL tears? [texte imprimé] / Burak Gunaydin ; Tugba Ilkem Kurtoglu Ozcaglayan ; Mehmet Umit Cetin ; Abdulkadir Sari ; Yasar Mahsut Dincel ; Cagatay Tekin . - 2021 . - p. 366-373.
https://doi.org/10.52628/87.2.24
Langues : Anglais (eng)
in Acta Orthopaedica Belgica > Vol.87/2 (Juin 2021) . - p. 366-373
Mots-clés : anterior cruciate ligament partial ACL tear anterolateral ligament arthroscopic reconstruction MRI Résumé : Patients with ACL tears with ALL injury have more clinical complaints (instability, feeling of the pop on the knee or knee sliding). patients have ALL injury with partial ACL tears, It is unclear whether the choice of treatment will be conservative or surgical.
This study aimed to determine the effect of anterolateral ligament (ALL) status, whether intact or ruptured, on the choice of conservative or surgical treatment in patients with partial anterior cruciate ligament (ACL) tears.
Between 2015 and 2019, patients with suspected partial ACL tears were identified on both physical examination and MR imaging. 122 patients who had partial ACL tears and also status of patient’s ALL could be evaluated by radiologist were included in the study, retrospectively.
Sixty-two patients who underwent ACL reconstruction were determined as group 1, and 60 patients who did not undergo ACL reconstruction were defined as group 2. In patients with partial ACL rupture with or without ACL reconstruction, it was evaluated whether a ruptured or non- ruptured ALL was effective in this decision of conservative or surgically.
The MRIs of patients with partial ACL tears were evaluated by a radiologist and it was concluded that the ALLs of 50 patients were ruptured, and 72 were intact. The ALLs of 36 patients in group 1 were ruptured, and 26 patients were intact. Fourteen patients in group 2 had ruptured ALLs, 46 patient’s ALLs were intact. Seventy-two percent of the patients with partial ACL tears who had ruptured ALLs in MRI underwent ACL reconstruction.
It was found that ACL reconstruction was performed more frequently in patients with partial ACL tears with ALL rupture. Therefore, we believe that preoperative evaluations of ALLs using MRI in patients with partial ACL tears are essential for surgical planning.Permalink : ./index.php?lvl=notice_display&id=96674 Exemplaires (1)
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Exclu du prêtSignificance Of Spinal Canal And Dural Sac Dimensions In Predicting Treatment Of Lumbar Disc Herniation / Shuai YUAN in Acta Orthopaedica Belgica, Vol 80/4 (Décembre 2014)
[article]
Titre : Significance Of Spinal Canal And Dural Sac Dimensions In Predicting Treatment Of Lumbar Disc Herniation Type de document : texte imprimé Auteurs : Shuai YUAN, Auteur Année de publication : 2014 Article en page(s) : p.575-581 Langues : Anglais (eng) Mots-clés : lumbar disc herniation spinal canal dural sac MRI parmeter treatment Résumé : This retrospective study was performed to investigate the significance of quantitative MRI measurements of spinal canal and dural sac dimensions for treatment decisions and clinical outcome of lumbar disc herniation. 182 patients (111 nonsurgical patients and 71 surgical patients) were included, while 78 nonsurgical patients and 50 surgical patients were enrolled in the final follow-up. The initial JOA score in nonsurgical patients was significantly superior to surgical patients (t-test : p < 0.001), whereas the final JOA score and the rate of improvement were not significantly different between the two groups of patients (t-test : p > 0.05). 88.46% of nonsurgical patients and 90.00% of surgical patients had a good or excellent outcome (chi-square test : p > 0.05). However, if the 16 recurrent cases were included, the proportions dropped to 75.82% and 84.90% for nonsurgical and surgical patients, respectively. Compared with nonsurgical patients, quantitative parameters, such as midsagittal diameter and available diameter of spinal canal, lateral recess width and cross-sectional areas of spinal canal and dural sac, were significantly smaller in surgical patients (t-test : p < 0.001), and was reflected in the initial JOA score (128 cases ; Spearman rank correlation coefficient : r 0.01 = 0.486, 0.499, 0.493, 0.507, 0.484 ; p < 0.001). The spinal canal and dural sac dimensions were important predictive factors for treatment selection of lumbar disc herniation. Permalink : ./index.php?lvl=notice_display&id=34680
in Acta Orthopaedica Belgica > Vol 80/4 (Décembre 2014) . - p.575-581[article] Significance Of Spinal Canal And Dural Sac Dimensions In Predicting Treatment Of Lumbar Disc Herniation [texte imprimé] / Shuai YUAN, Auteur . - 2014 . - p.575-581.
Langues : Anglais (eng)
in Acta Orthopaedica Belgica > Vol 80/4 (Décembre 2014) . - p.575-581
Mots-clés : lumbar disc herniation spinal canal dural sac MRI parmeter treatment Résumé : This retrospective study was performed to investigate the significance of quantitative MRI measurements of spinal canal and dural sac dimensions for treatment decisions and clinical outcome of lumbar disc herniation. 182 patients (111 nonsurgical patients and 71 surgical patients) were included, while 78 nonsurgical patients and 50 surgical patients were enrolled in the final follow-up. The initial JOA score in nonsurgical patients was significantly superior to surgical patients (t-test : p < 0.001), whereas the final JOA score and the rate of improvement were not significantly different between the two groups of patients (t-test : p > 0.05). 88.46% of nonsurgical patients and 90.00% of surgical patients had a good or excellent outcome (chi-square test : p > 0.05). However, if the 16 recurrent cases were included, the proportions dropped to 75.82% and 84.90% for nonsurgical and surgical patients, respectively. Compared with nonsurgical patients, quantitative parameters, such as midsagittal diameter and available diameter of spinal canal, lateral recess width and cross-sectional areas of spinal canal and dural sac, were significantly smaller in surgical patients (t-test : p < 0.001), and was reflected in the initial JOA score (128 cases ; Spearman rank correlation coefficient : r 0.01 = 0.486, 0.499, 0.493, 0.507, 0.484 ; p < 0.001). The spinal canal and dural sac dimensions were important predictive factors for treatment selection of lumbar disc herniation. Permalink : ./index.php?lvl=notice_display&id=34680 Exemplaires (1)
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Exclu du prêtL’apport de l’IRM dans la gestion d’abcès para-lombaires chez une chienne / Nora Bouhsina in Le Point vétérinaire Expert Canin, 401 (Décembre 2019)
PermalinkUn cas de diabète insipide central chez un chat / Cyril Duperrier in Le Point vétérinaire Expert Canin, 391 (Décembre 2018)
PermalinkExploration des cavités nasales avec l’IRM / Nora Bouhsina in Le Point vétérinaire Expert Canin, 401 (Décembre 2019)
PermalinkExploration du grasset avec l’IRM / Alexis Bertrand in Le Point vétérinaire Expert Canin, 401 (Décembre 2019)
PermalinkExploration des masses musculo-cutanées avec l’IRM / Nora Bouhsina in Le Point vétérinaire Expert Canin, 401 (Décembre 2019)
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