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This case highlights the potential utility of CAIX-targeted PET\/CT imaging for visualizing primary and metastatic ccRCC, including uncommon metastatic sites.<\/jats:p>","DOI":"10.1097\/rlu.0000000000006523","type":"journal-article","created":{"date-parts":[[2026,5,11]],"date-time":"2026-05-11T18:00:14Z","timestamp":1778522414000},"page":"667-668","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["Thyroid Metastasis of Clear Cell Renal Cell Carcinoma Detected by Carbonic Anhydrase IX-targeted PET\/CT"],"prefix":"10.1097","volume":"51","author":[{"given":"Junjie","family":"Yin","sequence":"first","affiliation":[{"name":"Department of Nuclear Medicine, Tongji Medical College, Huazhong University of Science and Technology, Tongji Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianyuan","family":"Zhou","sequence":"additional","affiliation":[{"name":"Department of Nuclear Medicine, Tongji 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