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Tytuł oryginału: Potential of CT-scan based tumor volume as a response indicator in chemotherapy of advanced epithelial ovarian cancer.
Autorzy: Kumar Pratik, Rehani Madan Mohan, Kumar Lalit, Sharma Raju, Bhatla Neerja, Singh Rajvir, Sundaram K. Ramaiyer
Źródło: Med. Sci. Monitor 2002: 8 (10) s.CR667-CR674, il., tab., bibliogr. 27 poz.
Sygnatura GBL: 313,278

Hasła klasyfikacyjne GBL:
  • onkologia
  • ginekologia i położnictwo

    Typ dokumentu:
  • praca kliniczna
  • tytuł obcojęzyczny

    Wskaźnik treści:
  • ludzie
  • płeć żeńska

    Streszczenie angielskie: Background: Response prediction in patients undergoing chamotherapy for ovarian cancer is an important issue, since the cure rate is only about 15 - 20 p.c. We attempted to develop a semi-empirical model to predict response in individual cases after the first cycle of chemotherapy. Material/Methods: This prospective study included 51 cases of advanced ovarian cancer. A method was standardized to estimate ovarian tumor volume accurately from CT scan films. This permits the inclusion of patients who have undergone CT scan elsewhere. Patients underwent 4 - 6 cycles of chemotherapy and tumor volume was estimated after each cycle. This yielded a tumor regression curve for each patient. Results: Percent reduction in tumor volume after the first chemo-cycle was a significant prognostic factor in multivariate analysis. Depending upon the rate of regression patients could be classified into Fast Regressing FR (n = 29) and Moderately Regressing MR (n = 16), whereas 6 patients showed Progressive Disease (PD) despite ongoing chemotherapy. The median survivals for the FR, MR and PD groups were 29.3, 18.9 adn 8.5 months respectively. We found that 'percent reduction in volume after firs chemo-cycle' could categorize a patient as FR/MR/PD correctly in 94.1 p.c. of cases. This parameter could also detect 5 out of 6 inherently resistand PD cases, who would otherwise undergo further chemotherapy, since early detection of resistance by clinical monitoring is quite difficult.

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