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Träfflista för sökning "WFRF:(Torkzad Michael R.) ;pers:(Påhlman Lars)"

Sökning: WFRF:(Torkzad Michael R.) > Påhlman Lars

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1.
  • Grevfors, Niklas, et al. (författare)
  • Can acute abdominal CT prioritise patients with suspected diverticulitis for a subsequent clean colonic examination?
  • 2012
  • Ingår i: Colorectal Disease. - : Wiley. - 1462-8910 .- 1463-1318. ; 14:7, s. 893-896
  • Tidskriftsartikel (refereegranskat)abstract
    • Aim: The aim of this study was to investigate whether patients with diverticulitis can be prioritised with higher urgency for a subsequent full colonic examination based upon the emergency abdominal computerised tomography (CT) at the time of presentation.Method: All patients with a diagnosis of diverticulitis hospitalized during 2006 having CT on admission and a subsequent 'clean colon' examination were reviewed. The CT was reviewed by two independent and blinded senior radiologists (A and B) for signs inconsistent with diverticulitis and suggestive of malignancy. The patients were classified on CT into group 1 (normal findings, non-tumour pathology or benign polyps < 1 cm) and group 2 (benign polyps ≥ 1 cm and cancer).Results: 93 patients were reviewed with 83 in group 1and 10 in group 2. Radiologist A suggested high priority colonic examination in 18% and 50% of groups 1 and 2, and Radiologist B in 63% and 90%. There was a statically significant inter-observer difference and also lower accuracy of Radiologist B than Radiologist A in predicting a subsequent 'clean colon' examination.Conclusion: Using an emergency acute CT scan at the time of diagnosis of diverticulitis to predict a clean colon examination for neoplasia is not reliable since there is considerable degree of inter-observer difference between rediologista.
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2.
  • Påhlman, Lars, et al. (författare)
  • Rectal cancer staging : is there an optimal method?
  • 2011
  • Ingår i: Future Oncology. - 1479-6694. ; 7:1, s. 93-100
  • Forskningsöversikt (refereegranskat)abstract
    • The staging process in a newly diagnosed rectal cancer is divided into three parts. One essential part is the local staging, in which both endorectal ultrasound and MRI are used to disclose the size of the tumor and its correlation to the perirectal fascia, and to identify lymph node deposits and vascular invasion. This local staging process will guide clinicians to decide upon not only the type of surgery (local excision or radical surgery) but also whether or not some type of neoadjuvant treatment, such as radiotherapy and/or chemotherapy, is indicated. The second part is to evaluate whether or not the tumor has already metastasized at diagnosis. The most important organs to evaluate are the liver and lungs, and imaging techniques such as ultrasound. CT-scan, or sometimes PET-CT, and MRI can be used. The third important part is to investigate the rest of the large bowel for synchronous adenomas or cancers. This will preferably be done with colonoscopy or CT-colonography and sometimes barium enema. This article discusses the imaging techniques used for local staging and distant metastases.
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3.
  • Torkzad, Michael R., et al. (författare)
  • Magnetic resonance imaging (MRI) in rectal cancer : a comprehensive review
  • 2010
  • Ingår i: Insight into Imaging. - : Springer Science and Business Media LLC. - 1869-4101 .- 1869-4101. ; 1:4, s. 245-267
  • Tidskriftsartikel (refereegranskat)abstract
    • Magnetic resonance imaging (MRI) has established itself as the primary method for local staging in patients with rectal cancer. This is due to several factors, most importantly because of the ability to assess the status of circumferential resection margin. There are several newer developments being introduced continuously, such as diffusion-weighted imaging and imaging with 3 T. Assessment of loco-regional lymph nodes has also been investigated extensively using different approaches, but more work needs to be done. Finally, evaluation of tumours during or after preoperative treatment is becoming an everyday reality. All these new aspects prompt a review of the most recent advances and opinions. In this review, a comprehensive overview of the current status of MRI in the loco-regional assessment and management of rectal cancer is presented. The findings on MRI and their accuracy are reviewed based on the most up-to-date evidence. Optimisation of MRI acquisition and relevant regional anatomy are also presented, based on published literature and our own experience.
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  • Resultat 1-3 av 3
Typ av publikation
tidskriftsartikel (2)
forskningsöversikt (1)
Typ av innehåll
refereegranskat (3)
Författare/redaktör
Torkzad, Michael R. (3)
Glimelius, Bengt (1)
Bergman, Antonina (1)
Grevfors, Niklas (1)
Lärosäte
Uppsala universitet (3)
Språk
Engelska (3)

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