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Träfflista för sökning "WFRF:(Andreasson Håkan) srt2:(2010-2014);pers:(Nygren Peter)"

Sökning: WFRF:(Andreasson Håkan) > (2010-2014) > Nygren Peter

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1.
  • Andreasson, Håkan, et al. (författare)
  • Histopathological classification of pseudomyxoma peritonei and the prognostic importance of PINCH protein
  • 2012
  • Ingår i: Anticancer Research. - : International Institute of Anticancer Research (IIAR). - 0250-7005 .- 1791-7530. ; 32:4, s. 1443-1448
  • Tidskriftsartikel (refereegranskat)abstract
    • AIM: The aims of this study were i) to assess a new and more detailed histopathological classification and to analyze concordance between pathologists in the histopathological classification of pseudomyxoma peritonei (PMP); ii) to analyze the expression in the stroma of the particularly interesting new cysteine-histidine (PINCH) protein and its prognostic importance in PMP.MATERIALS AND METHODS: Surgical specimens from 81 patients, classified according to the Ronnett et al histopathological classification were compared to a new system with four groups ranging from indolent to aggressive growth patterns. PINCH protein expression was analyzed and was related to clinical variables.RESULTS: The new four-group classification provided better prognostic information than the classification according to Ronnett et al. (p=0.04). Expression of the PINCH protein in the stroma was found in 83% of the cases and was associated with high tumor burden (p=0.002) and a poor prognosis (p=0.04).CONCLUSION: The proposed new PMP classification system may provide additional prognostic information. PINCH protein is expressed in PMP and has prognostic information.
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2.
  • Andréasson, Håkan, et al. (författare)
  • Outcome differences between debulking surgery and cytoreductive surgery in patients with pseudomyxoma peritonei
  • 2012
  • Ingår i: European Journal of Surgical Oncology. - : Elsevier BV. - 0748-7983 .- 1532-2157. ; 38:10, s. 962-968
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND:The aim of this study was to compare debulking surgery and cytoreductive surgery (CRS) in patients with Pseudomyxoma peritonei (PMP) regarding efficacy and safety.PATIENTS AND METHODS:Data were extracted from medical records and treatment outcomes were analyzed for all 152 patients with PMP who were scheduled for debulking surgery and intraperitoneal chemotherapy (IPC) or CRS and IPC at Uppsala University Hospital, Uppsala, Sweden, between September 1993 and December 2008.RESULTS:One hundred and ten patients (73%) were treated with CRS and IPC and 40 (27%) with debulking surgery and IPC. In two patients (1%), surgery was defined as open and close. Patients with CRS and IPC had a 74% 5-year overall survival (OS) rate compared with 40% for those treated with debulking surgery (P < 0.001). Patients with no residual macroscopic tumour (R1 resection) had a better 5-year OS rate of 94% compared with 28% for patients with macroscopic residual tumour (R2) (P < 0.001). Grades II-IV adverse events were seen in 29% of debulked patients and in 47% of CRS/IPC patients (P = 0.053).CONCLUSIONS:CRS and IPC seems more efficient than debulking surgery and IPC but with numerically higher morbidity. Therefore, if surgically possible, CRS should be the treatment of choice for PMP patients. However, debulking surgery may still be of benefit to selected patients for palliative purposes.
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3.
  • Cashin, Peter, et al. (författare)
  • Appendiceal Adenocarcinoids with Peritoneal Carcinomatosis Treated with Cytoreductive Surgery and Intraperitoneal Chemotherapy : a retrospective study of in vitro drug sensitivity and survival
  • 2011
  • Ingår i: Clinical Colorectal Cancer. - : Elsevier BV. - 1533-0028 .- 1938-0674. ; 10:2, s. 108-112
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose: The purpose of this study was to present results on cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) of appendiceal adenocarcinoid (MC) with peritoneal carcinomatosis (PC), to assess drug sensitivity of AAC, as compared with colorectal cancer (CRC), and to report any discordant histopathology. Methods: Ten patients were treated with CRS and HIPEC. Treatment, drug sensitivity profiles, histopathology, and survival data were recorded and matched with potential prognostic indicators. Drug sensitivity was assessed with short-term fluorometric microculture cytotoxicity assay and compared with peritoneal metastases from CRC. Results: Patients with completeness of cytoreduction score (CC) 1 (16.4 months). In the CC 1 group. For standard drugs, tumor cells from MC and CRC were equally sensitive; except for docetaxel, to which MC was more sensitive than CRC. Conclusion: The CC-score correlated with overall survival. Candidates for this type of treatment should be referred early for evaluation in order to reach a better CC score. Drugs used for CRC also seem adequate for treatment of MC, although other drugs, eg, docetaxel, might be more active.
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