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Non-echo planar dif...
Non-echo planar diffusion-weighted MRI increases follow-up accuracy after one-step step canal wall-down obliteration surgery for cholesteatoma
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- Edfeldt, Lennart, 1950- (författare)
- Uppsala universitet,Öron-, näs- och halssjukdomar
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- Strömbäck, Karin (författare)
- Uppsala universitet,Öron-, näs- och halssjukdomar
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- Danckwardt-Lillieström, Niklas (författare)
- Uppsala universitet,Öron-, näs- och halssjukdomar
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- Rask-Andersen, Helge (författare)
- Uppsala universitet,Öron-, näs- och halssjukdomar
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- Abdasaleh, Shahin (författare)
- Uppsala universitet,Institutionen för radiologi, onkologi och strålningsvetenskap
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- Wikström, Johan (författare)
- Uppsala universitet,Enheten för radiologi
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(creator_code:org_t)
- 2013-05-16
- 2013
- Engelska.
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Ingår i: Acta Oto-Laryngologica. - : Informa UK Limited. - 0001-6489 .- 1651-2251. ; 133:6, s. 574-583
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- Conclusion: Non-echo planar (non-EPI) diffusion-weighted (DW) magnetic resonance imaging (MRI) increases the number of detected cholesteatoma after one-step canal-wall down (CWD) obliteration surgery for cholesteatoma compared with clinical evaluation alone.Objective: To evaluate the use of DW-MRI for detection of cholesteatoma after surgical treatment using CWD obliteration technique.Methods: Thirty-eight adult patients (41 ears) treated with identical one-step canal-wall down obliteration surgical technique were included in a prospective and blinded study. All patients were investigated with non-EPI and EPI DW-MRI 1-9 months after the clinical examination. Follow-up time after primary surgery varied between 10 and 234 months. DW-MRI were assessed by two neuroradiologists and compared with clinical results. Inter-rater agreement was calculated. Positive non-EPI DW-MRI cases underwent revision surgery within 18-159 days after imaging.Results: Out of 41 cases seven were evaluated as positive for cholesteatoma on non-EPI DW-MRI. Since one patient refused surgery six of these seven cases underwent surgical revision and all were verified. There was agreement between clinical and non-EPI findings in five of eight cases. EPI findings correlated poorly with non-EPI and clinical findings. Inter-rater agreement (Cohen´s kappa) was 0.91 for non-EPIDW-MRI (p<0.001) and -0.062 for EPI DW-MRI (p=0.43)
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
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- art (ämneskategori)
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