{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T19:31:51Z","timestamp":1791919911987,"version":"4.3.4"},"reference-count":33,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2022,8,1]],"date-time":"2022-08-01T00:00:00Z","timestamp":1659312000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Ultrasound in Obstet &amp;amp; Gyne"],"published-print":{"date-parts":[[2022,8]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Measuring vascularization in uterine fibroids is important for their diagnosis, treatment and prognosis. Vascularization can be measured by power Doppler ultrasound. The power Doppler signal depends on fibroid characteristics and on a variety of ultrasound\u2010machine settings. Literature describing which machine settings influence the power Doppler signal is limited. Each manufacturer names settings and presets at their own discretion, with little information available publicly. Consistency of machine settings is important for correct interpretation of images in daily practice and is essential in yielding reproducible data for research. The aims of this paper, drawing from both a literature search and semistructured interviews with ultrasound\u2010machine engineers and clinical experts in gynecological ultrasound, were: (1) to provide comprehensive background information on ultrasound physics and fibroid characteristics; (2) to present an overview of machine settings relevant to both two\u2010 and three\u2010dimensional power Doppler, including power Doppler frequency, pulse repetition frequency, gain, wall\u2010motion filter, acoustic power, persistence and signal rise; and (3) to provide a step\u2010by\u2010step tutorial on the optimal settings for vascular evaluation of uterine fibroids using power Doppler. The step\u2010by\u2010step tutorial comprises six steps to optimize the power Doppler signal, create a preset and acquire a reliable three\u2010dimensional volume. This step\u2010by\u2010step tutorial should help research groups and clinicians to use power Doppler correctly and reproducibly in the evaluation of uterine fibroids. \u00a9 2022 The Authors. Ultrasound in Obstetrics &amp; Gynecology published by John Wiley &amp; Sons Ltd on behalf of International Society of Ultrasound in Obstetrics and Gynecology.<\/jats:p>","DOI":"10.1002\/uog.24879","type":"journal-article","created":{"date-parts":[[2022,2,23]],"date-time":"2022-02-23T06:58:16Z","timestamp":1645599496000},"page":"277-283","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["How to use power Doppler ultrasound in transvaginal assessment of uterine fibroids"],"prefix":"10.1002","volume":"60","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3483-3452","authenticated-orcid":false,"given":"M.","family":"Frijlingh","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynaecology  Amsterdam UMC, Amsterdam The Netherlands"},{"name":"Amsterdam Reproduction and Development  Amsterdam The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L.","family":"Juffermans","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology  Amsterdam UMC, Amsterdam The Netherlands"},{"name":"Amsterdam Reproduction and Development  Amsterdam The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R.","family":"de Leeuw","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology  Amsterdam UMC, Amsterdam The Netherlands"},{"name":"Amsterdam Reproduction and Development  Amsterdam The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C.","family":"de Bruyn","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology University Hospital Antwerp  Edegem Belgium"},{"name":"Department of Oncology, Laboratory of Tumor Immunology and Immunotherapy ImmunOvar Research Group  KU Leuven, Leuven Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"D.","family":"Timmerman","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology University Hospital Leuven  Leuven Belgium"},{"name":"Department of Development and Regeneration  KU Leuven, Leuven Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"T.","family":"Van den Bosch","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology University Hospital Leuven  Leuven Belgium"},{"name":"Department of Development and Regeneration  KU Leuven, Leuven Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. 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