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Previous methods are impractical because they are time-consuming and labor-intensive. This study developed and validated two simplified CT imaging methods: the Bi-axial Simplified Measurement Method (BASiM) and the Quadri-dimensional Simplified Measurement Method (QDSiM).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This retrospective study analyzed 76 CT images from 26 PLD patients who underwent transarterial hepatic artery embolization (TAE). Images were obtained before TAE, 24\u00a0weeks after TAE and during the follow-up period. Liver volumes were measured using semi-automatic volumetry, BASiM, and QDSiM. BASiM calculates liver volume based on cranio-caudal, anterior\u2013posterior, and medial\u2013lateral dimensions, while QDSiM divides the liver into left- and right-side sections. This study assessed inter-assessor reliability, measurement accuracy, volume change rate, and calculation times.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      BASiM demonstrated strong inter-assessor reliability (intraclass correlation coefficient [ICC]: 0.991, 95% confidence interval [CI] 0.986\u20130.994) superior to QDSiM (ICC: 0.851, 95% CI 0.205\u20130.949). Calibrated liver volumes using BASiM and QDSiM were consistent with semi-automatic volumetry (ICC: 0.924, 95% CI  0.858 to 0.957, and ICC: 0.934, 95% CI 0.806\u20130.970, respectively). BASiM showed better alignment with volume changes (ICC: 0.835, 95% CI 0.537\u20130.927) compared to QDSiM (ICC: 0.607, 95% CI 0.203\u20130.800) and required less measurement time (61\u2009\u00b1\u20094\u00a0s vs. 107\u2009\u00b1\u20099\u00a0s,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>BASiM provided superior reliability, accuracy, and efficiency for liver volume measurement in PLD, thus useful for\u00a0the\u00a0clinical management of PLD.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s10157-025-02721-9","type":"journal-article","created":{"date-parts":[[2025,7,23]],"date-time":"2025-07-23T13:40:52Z","timestamp":1753278052000},"page":"1754-1763","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Development and validation of a simplified CT volumetry for estimating total liver volume in patients with autosomal dominant polycystic kidney and liver disease"],"prefix":"10.1007","volume":"29","author":[{"given":"Fumihiko","family":"Hattanda","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yusuke","family":"Watanabe","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yusuke","family":"Sakuhara","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shun","family":"Takenaka","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tauro","family":"Kawamura","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naoko","family":"Matsuoka","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daigo","family":"Nakazawa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoichi M.","family":"Ito","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroshi","family":"Kondo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shin","family":"Goto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoshitaka","family":"Isaka","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ken","family":"Tsuchiya","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshio","family":"Mochizuki","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Satoru","family":"Muto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haruna","family":"Kawano","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tatsuya","family":"Atsumi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3201-340X","authenticated-orcid":false,"given":"Saori","family":"Nishio","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2025,7,23]]},"reference":[{"issue":"6","key":"2721_CR1","doi-asserted-by":"publisher","first-page":"2223","DOI":"10.1002\/hep.24036","volume":"52","author":"JP Drenth","year":"2010","unstructured":"Drenth JP, Chrispijn M, Nagorney DM, Kamath PS, Torres VE. 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