{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,18]],"date-time":"2026-02-18T13:09:04Z","timestamp":1771420144589,"version":"3.50.1"},"reference-count":16,"publisher":"Elsevier BV","issue":"4","license":[{"start":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T00:00:00Z","timestamp":1775001600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T00:00:00Z","timestamp":1775001600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2025,12,22]],"date-time":"2025-12-22T00:00:00Z","timestamp":1766361600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Radiology Case Reports"],"published-print":{"date-parts":[[2026,4]]},"DOI":"10.1016\/j.radcr.2025.12.049","type":"journal-article","created":{"date-parts":[[2026,1,24]],"date-time":"2026-01-24T07:45:14Z","timestamp":1769240714000},"page":"1554-1558","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"title":["Psoas metastasis mimicking abscess in untreated muscle-invasive bladder cancer: A diagnostic pitfall"],"prefix":"10.1016","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-9787-7350","authenticated-orcid":false,"given":"Maachi","family":"Youssef","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bensaleh","family":"Nasseredine","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zaki","family":"Amine","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Slaoui","family":"Amine","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Karmouni","family":"Tariq","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Koutani","family":"Abdellatif","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elkhader","family":"Khalid","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"issue":"5","key":"10.1016\/j.radcr.2025.12.049_bib0001","doi-asserted-by":"crossref","first-page":"533","DOI":"10.1007\/s002610000201","article-title":"Iliopsoas abscess: a report of 24 patients diagnosed by CT","volume":"26","author":"Zissin","year":"2001","journal-title":"Abdom Imaging"},{"issue":"5","key":"10.1016\/j.radcr.2025.12.049_bib0002","doi-asserted-by":"crossref","first-page":"834","DOI":"10.1007\/BF01655254","article-title":"Pyogenic psoas abscess: worldwide variations in etiology","volume":"10","author":"Ricci","year":"1986","journal-title":"World J Surg"},{"issue":"10","key":"10.1016\/j.radcr.2025.12.049_bib0003","doi-asserted-by":"crossref","first-page":"2103","DOI":"10.1023\/A:1019693400742","article-title":"Primary psoas abscess","volume":"47","author":"Agrawal","year":"2002","journal-title":"Dig Dis Sci"},{"key":"10.1016\/j.radcr.2025.12.049_bib0004","article-title":"Skeletal muscle metastasis to vastus lateralis from a urothelial carcinoma: a case report and review of its diagnosis and management","volume":"2019","author":"Mainwaring","year":"2019","journal-title":"Case Rep Urol"},{"key":"10.1016\/j.radcr.2025.12.049_bib0005","doi-asserted-by":"crossref","first-page":"21","DOI":"10.1186\/1470-7330-14-21","article-title":"Muscle metastases: comparison of features in different primary tumours","volume":"14","author":"Surov","year":"2014","journal-title":"Cancer Imaging"},{"issue":"2","key":"10.1016\/j.radcr.2025.12.049_bib0006","doi-asserted-by":"crossref","first-page":"98","DOI":"10.1007\/s12094-011-0625-x","article-title":"Muscle metastasis of carcinoma","volume":"13","author":"Molina-Garrido","year":"2011","journal-title":"Clin Transl Oncol"},{"issue":"3","key":"10.1016\/j.radcr.2025.12.049_bib0007","doi-asserted-by":"crossref","first-page":"282","DOI":"10.1016\/j.jpainsymman.2003.12.018","article-title":"The management of malignant psoas syndrome: case reports and literature review","volume":"28","author":"Agar","year":"2004","journal-title":"J Pain Symptom Manage"},{"issue":"2\u20133","key":"10.1016\/j.radcr.2025.12.049_bib0008","doi-asserted-by":"crossref","first-page":"60","DOI":"10.14740\/jmc4201","article-title":"Upper tract urothelial carcinoma complicated by skeletal muscle metastases","volume":"15","author":"Friesen","year":"2024","journal-title":"J Med Cases"},{"issue":"3","key":"10.1016\/j.radcr.2025.12.049_bib0009","doi-asserted-by":"crossref","first-page":"649","DOI":"10.1007\/s00330-009-1577-1","article-title":"Skeletal muscle metastases: primary tumours, prevalence, and radiological features","volume":"20","author":"Surov","year":"2010","journal-title":"Eur Radiol"},{"issue":"4","key":"10.1016\/j.radcr.2025.12.049_bib0010","doi-asserted-by":"crossref","first-page":"717","DOI":"10.1016\/j.eururo.2012.11.042","article-title":"Time from prior chemotherapy enhances prognostic risk grouping in the second-line setting of advanced urothelial carcinoma: a retrospective analysis of pooled, prospective phase 2 trials","volume":"63","author":"Sonpavde","year":"2013","journal-title":"Eur Urol"},{"issue":"11","key":"10.1016\/j.radcr.2025.12.049_bib0011","doi-asserted-by":"crossref","first-page":"1015","DOI":"10.1056\/NEJMoa1613683","article-title":"Pembrolizumab as second-line therapy for advanced urothelial carcinoma","volume":"376","author":"Bellmunt","year":"2017","journal-title":"N Engl J Med"},{"issue":"1","key":"10.1016\/j.radcr.2025.12.049_bib0012","doi-asserted-by":"crossref","first-page":"63","DOI":"10.4111\/kju.2012.53.1.63","article-title":"Skeletal muscle metastases from urothelial cell carcinoma","volume":"53","author":"Doo","year":"2012","journal-title":"Korean J Urol"},{"key":"10.1016\/j.radcr.2025.12.049_bib0013","article-title":"Skeletal muscle metastases to the flexor digitorum superficialis and profundus from urothelial cell carcinoma and review of the literature","volume":"2016","author":"Guidi","year":"2016","journal-title":"Case Rep Urol"},{"issue":"20","key":"10.1016\/j.radcr.2025.12.049_bib0014","doi-asserted-by":"crossref","first-page":"5040","DOI":"10.3390\/cancers15205040","article-title":"Imaging in upper tract urothelial carcinoma: a review","volume":"15","author":"Tsikitas","year":"2023","journal-title":"Cancers (Basel)"},{"issue":"3","key":"10.1016\/j.radcr.2025.12.049_bib0015","first-page":"5870","article-title":"A rare metastatic myositis ossificans of obturator muscle secondary to urothelial carcinoma","volume":"7","author":"Dell\u2019Atti","year":"2015","journal-title":"Rare Tumors"},{"key":"10.1016\/j.radcr.2025.12.049_bib0016","unstructured":"European Association of Urology. EAU guidelines on muscle-invasive and metastatic bladder cancer Available at: https:\/\/uroweb.org\/guidelines\/bladder-cancer-muscle-invasive-and-metastatic; 2024 accessed 01.11.25."}],"container-title":["Radiology Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1930043325011525?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1930043325011525?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,2,18]],"date-time":"2026-02-18T12:31:11Z","timestamp":1771417871000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1930043325011525"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,4]]},"references-count":16,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2026,4]]}},"alternative-id":["S1930043325011525"],"URL":"https:\/\/doi.org\/10.1016\/j.radcr.2025.12.049","relation":{},"ISSN":["1930-0433"],"issn-type":[{"value":"1930-0433","type":"print"}],"subject":[],"published":{"date-parts":[[2026,4]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Psoas metastasis mimicking abscess in untreated muscle-invasive bladder cancer: A diagnostic pitfall","name":"articletitle","label":"Article Title"},{"value":"Radiology Case Reports","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.radcr.2025.12.049","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2025 The Authors. Published by Elsevier Inc. on behalf of University of Washington.","name":"copyright","label":"Copyright"}]}}