{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T21:49:43Z","timestamp":1788472183702,"version":"build-2803163510"},"reference-count":28,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2020,9,7]],"date-time":"2020-09-07T00:00:00Z","timestamp":1599436800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Magnetic Resonance Imaging"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>A variety of imaging modalities have been described for the diagnosis of congenital pyriform sinus fistula (CPSF). To date, there have been few MRI reports.<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To evaluate MRI findings of CPSF and interobserver reliability.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study Type<\/jats:title><jats:p>Retrospective.<\/jats:p><\/jats:sec><jats:sec><jats:title>Population<\/jats:title><jats:p>In all, 115 patients aged 23\u2009days to 15.4\u2009years at operation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Field Strength\/Sequence<\/jats:title><jats:p>3.0T\/axial T<jats:sub>1<\/jats:sub>\u2010weighted image (<jats:styled-content style=\"fixed-case\">T<jats:sub>1<\/jats:sub>WI<\/jats:styled-content>)\u2010<jats:styled-content style=\"fixed-case\">SPIR<\/jats:styled-content>, axial<jats:styled-content style=\"fixed-case\">T<jats:sub>2<\/jats:sub>WI<\/jats:styled-content>, axial<jats:styled-content style=\"fixed-case\">T<jats:sub>2<\/jats:sub>WI\u2010STIR<\/jats:styled-content>, coronal<jats:styled-content style=\"fixed-case\">T<jats:sub>2<\/jats:sub>WI\u2010SPIR<\/jats:styled-content>, diffusion\u2010weighted imaging (<jats:styled-content style=\"fixed-case\">DWI<\/jats:styled-content>), axial and coronal gadolinium\u2010enhanced<jats:styled-content style=\"fixed-case\">T<jats:sub>1<\/jats:sub>WI\u2010SPIR<\/jats:styled-content>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Assessment<\/jats:title><jats:p>For each patient, the medical records, including demographics, clinical manifestations, and MRI findings were reviewed. All the MRI studies were interpreted by three radiologists independently.<\/jats:p><\/jats:sec><jats:sec><jats:title>Statistical Test<\/jats:title><jats:p>Kendall's W test was made to determine the interobserver reliability of three reviewers for MRI findings.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>CPSF occurred on the left side in 104 (90.4%) patients and on the right side in 11 (9.6%) patients. The male\u2010to\u2010female ratio was 59:56. The age at first episode varied from birth to 12.3\u2009years. There was one neonate patient, who presented with a unilocular cystic mass in the left neck. A tunnel\u2010like lesion between the pyriform fossa and the upper pole of the thyroid gland, T<jats:sub>2<\/jats:sub>high signal behind the cricothyroid joint, thyroid gland involvement, deep neck abscesses or masses were noted in 46 (40%), 93 (80.9%), 96 (83.5%), and 36 (31.3%) patients, respectively. There was excellent interobserver reliability for all the MRI findings, ranging from 0.84 to 1.00.<\/jats:p><\/jats:sec><jats:sec><jats:title>Data Conclusion<\/jats:title><jats:p>The sinus tract presenting with a tunnel\u2010like lesion goes behind the cricothyroid joint in most cases. For patients presenting with acute suppurative thyroiditis (AST) or neck infection with thyroid gland involvement, the presence of T<jats:sub>2<\/jats:sub>high signal behind the cricothyroid joint highly suggests the diagnosis of CPSF. MRI is a reliable method for the diagnosis of CPSF.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of Evidence<\/jats:title><jats:p>4<\/jats:p><\/jats:sec><jats:sec><jats:title>Technical Efficacy Stage<\/jats:title><jats:p>2<\/jats:p><\/jats:sec>","DOI":"10.1002\/jmri.27325","type":"journal-article","created":{"date-parts":[[2020,12,12]],"date-time":"2020-12-12T12:49:01Z","timestamp":1607777341000},"page":"85-95","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["MRI in Children With Pyriform Sinus Fistula"],"prefix":"10.1002","volume":"53","author":[{"given":"Zhonglong","family":"Han","sequence":"first","affiliation":[{"name":"Department of Radiology, Beijing Children's Hospital Capital Medical University, National Center for children's Health Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun","family":"Tai","sequence":"additional","affiliation":[{"name":"Department of 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