Margherita Trinci1, Ginevra Danti2, Marco Di Maurizio3, Stefano Tursini1, Vito Briganti1, Michele Galluzzo1, Vittorio Miele4. 1. Department of Radiology, Azienda Ospedaliera San Camillo Forlanini, C.Ne Gianicolense, 87, 00152, Rome, Italy. 2. Department of Radiology, Azienda Ospedaliero-Universitaria Careggi, Largo Brambilla 3, 50134, Florence, Italy. ginevra.danti@gmail.com. 3. Department of Radiology, Azienda Ospedaliero-Universitaria Meyer, Largo Piero Palagi, 1, 50139, Florence, Italy. 4. Department of Radiology, Azienda Ospedaliero-Universitaria Careggi, Largo Brambilla 3, 50134, Florence, Italy.
Abstract
PURPOSE: To describe contrast enhanced ultrasound (CEUS) characteristics of ovarian torsion in pediatric females, assessing the potential diagnostic advantages of method as well as its limitations. MATERIALS AND METHODS: A retrospective study design was used. Between January 2018 and December 2020 we analyzed all pediatric females who underwent explorative surgery with a suspected diagnosis of ovarian torsion, and who were previously evaluated by conventional ultrasound (US), color-Doppler ultrasound (CDUS) and CEUS. RESULTS: We examined twenty pediatric females with a median age of 12 years. US identified 9/20 ovarian complex masses against 13/20 by CEUS. At US abdominal free fluid was shown in 13/20 patients and in 18/20 cases with CEUS. In our case series the evaluation of contrast enhancement at CEUS in the detection of ovarian torsions revealed a sensitivity of 94.1%, a specificity of 100% and an overall accuracy of 95%. CONCLUSION: Although there is a known ultrasound semeiotics suggestive of ovarian torsion, it is not always possible to obtain a diagnosis of certainty with conventional US even with CDUS. The study reports that complementation with CEUS showed excellent agreement with surgery obtaining a diagnosis in almost all the pediatric females examined.
PURPOSE: To describe contrast enhanced ultrasound (CEUS) characteristics of ovarian torsion in pediatric females, assessing the potential diagnostic advantages of method as well as its limitations. MATERIALS AND METHODS: A retrospective study design was used. Between January 2018 and December 2020 we analyzed all pediatric females who underwent explorative surgery with a suspected diagnosis of ovarian torsion, and who were previously evaluated by conventional ultrasound (US), color-Doppler ultrasound (CDUS) and CEUS. RESULTS: We examined twenty pediatric females with a median age of 12 years. US identified 9/20 ovarian complex masses against 13/20 by CEUS. At US abdominal free fluid was shown in 13/20 patients and in 18/20 cases with CEUS. In our case series the evaluation of contrast enhancement at CEUS in the detection of ovarian torsions revealed a sensitivity of 94.1%, a specificity of 100% and an overall accuracy of 95%. CONCLUSION: Although there is a known ultrasound semeiotics suggestive of ovarian torsion, it is not always possible to obtain a diagnosis of certainty with conventional US even with CDUS. The study reports that complementation with CEUS showed excellent agreement with surgery obtaining a diagnosis in almost all the pediatric females examined.
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