Extended abdominopelvic MRI versus CT at the time of adnexal mass characterization for assessing radiologic peritoneal cancer index (PCI) prior to cytoreductive surgery

Abdominal Radiology
Basma GadelhakBasel Refky

Abstract

To evaluate whether extending the MRI scan to include the abdomen at the time of adnexal mass characterization could replace additional CT for peritoneal cancer index (PCI) assessment. After institutional review board approval for this prospective study, 36 consecutive females with ovarian and FT malignancies were included. All patients signed an informed consent. Patients underwent preoperative CT (32 patients) and MRI (36 patients). Images were interpreted by 2 independent observers. Surgical data were available in 27 patients. Region-by-region analysis was performed for detection rates of peritoneal carcinomatosis (PC). Inter-observer agreement for each region was evaluated by kappa statistics. Radiologic PCI was calculated by CT and MRI independently and inter-observer agreement for CT and MRI as well as agreement between radiologic and surgical PCI were evaluated by weighted-kappa statistics. On region-by-region analysis, the highest detection rates of PC were noted at the central abdomen and pelvis. Detection rates were higher by MRI than CT, mainly in bowel serosal surface, pelvis, and right upper abdomen regions. Inter-observer agreement of MRI was higher than CT in most regions. The median PCI by CT was 5 and 4 for the...Continue Reading

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Citations

Jun 23, 2020·Journal Für Gynäkologische Endokrinologie·Ruben Heremans
Dec 19, 2020·Acta Radiologica·Athina C TsiliMaria I Argyropoulou
Apr 2, 2021·Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology·D TimmermanC Fotopoulou
Jun 12, 2021·Diagnostic and Interventional Imaging·Amandine CrombéAnne-Laure Cazeau
Jun 12, 2021·International Journal of Gynecological Cancer : Official Journal of the International Gynecological Cancer Society·Dirk TimmermanChristina Fotopoulou
Jun 11, 2021·Facts, Views & Vision in ObGyn·D TimmermanC Fotopoulou

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