Abstract:
OBJECTIVES:To analyse the diagnostic accuracy and to establish a predictive score based on diffusion-weighted magnetic resonance imaging (DWMRI) compared to exploratory laparotomy (EL) for predicting suboptimal cytoreductive surgery for different intra-abdominal sites of implants in patients with ovarian cancer. METHODS:Thirty-four patients with advanced ovarian carcinoma were studied. Preoperative DWMRI of the abdomen and pelvis was performed. DWMRI findings were compared with EL. Ten anatomical sites were selected for inclusion in the score. Sensitivity, specificity, positive predictive value, negative predictive value and accuracy for suboptimal cytoreduction were calculated for both DWMRI and EL. Receiver operating characteristic (ROC) curve analysis was used to assess the ability to predict suboptimal cytoreduction. RESULTS:Using predictive score, ROC curves were generated with an area under the curve of 0.938 for DWMRI and 0.947 for EL (P < 0.0001). For DWMRI, a score ≥6 had the highest overall accuracy at 91.1 % and identified patients with unnecessary EL with a sensitivity of 75 %. For EL, a score ≥4 had the highest overall accuracy at 88.2 % and was able to identify patients with unnecessary EL with a sensitivity of 87.5 %. CONCLUSIONS:DWMRI is an emerging technique that may be useful to predict suboptimal cytoreduction in ovarian cancer. KEY POINTS:• DWMRI is increasingly used in ovarian cancer. • DWMRI is an accurate technique for depicting intra-abdominal sites of implants • DWMRI is useful for predicting optimal cytoreductive surgical outcome. • We report a high predictive value similar to exploratory laparotomy.
journal_name
Eur Radioljournal_title
European radiologyauthors
Espada M,Garcia-Flores JR,Jimenez M,Alvarez-Moreno E,De Haro M,Gonzalez-Cortijo L,Hernandez-Cortes G,Martinez-Vega V,Sainz De La Cuesta Rdoi
10.1007/s00330-013-2837-7subject
Has Abstractpub_date
2013-09-01 00:00:00pages
2636-42issue
9eissn
0938-7994issn
1432-1084journal_volume
23pub_type
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