{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T00:31:30Z","timestamp":1785198690107,"version":"3.55.0"},"reference-count":33,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,12,21]],"date-time":"2023-12-21T00:00:00Z","timestamp":1703116800000},"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":["J of Ultrasound Medicine"],"published-print":{"date-parts":[[2024,3]]},"abstract":"<jats:sec><jats:title>Objectives<\/jats:title><jats:p>Cervical chondrocutaneous branchial remnants (CCBRs) and dermal lesions, such as epidermoid cysts or brachial anomalies, including lateral cervical cysts\/sinuses or dermal sinuses of anterior chest lesions, are usually located at the lower neck at the anterior or posterior border of the sternocleidomastoid muscle (SCM). We aimed to demonstrate the usefulness of ultrasonography in the differential diagnosis and evaluation of CCBRs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We evaluated 22 lesions of 20 pediatric patients, classified into CCBR and dermal lesion groups. We used Fisher's exact test to evaluate differences between these groups in terms of lesion shape (low\u2010echoic mass\u2010 or tubular\u2010like), whether the lesion was adjacent to\/in contact with the SCM or not, and the presence or absence of a concave SCM caused by the lesion.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of the 22 lesions, 8 were CCBRs, and 14 were dermal lesions. We found a significant difference in the presence\/absence of adjacency to or contact with the SCM (presence\/absence of adjacency to or contact with the SCM in CCBRs vs that in dermal lesions: 6\/2 vs 1\/13, <jats:italic>P<\/jats:italic>\u2009=\u2009.002) and presence\/absence of lesion\u2010induced concavity of the SCM (presence\/absence of lesion\u2010induced concavity of the SCM in CCBRs vs that in dermal lesions: 3\/5 vs 0\/14, <jats:italic>P<\/jats:italic>\u2009=\u2009.036). The lesion shape (low\u2010echoic mass\u2010like\/tubular\u2010like lesions) did not significantly differ between the two study groups (low\u2010echoic mass\u2010like\/tubular\u2010like lesions in CCBRs vs that in dermal lesions: 5\/3 vs 11\/6, <jats:italic>P<\/jats:italic>\u2009=\u2009.624).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>CCBRs have a strong association with the SCM. These sonographic findings may be useful in the differential diagnosis of dermal cervical lesions.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jum.16394","type":"journal-article","created":{"date-parts":[[2023,12,22]],"date-time":"2023-12-22T06:25:03Z","timestamp":1703226303000},"page":"587-598","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Sonographic Findings of Cervical Chondrocutaneous Branchial Remnants\u2014A Comparison With Dermal Lesions\/Cysts and a Literature Review"],"prefix":"10.1002","volume":"43","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9523-4077","authenticated-orcid":false,"given":"Takahiro","family":"Hosokawa","sequence":"first","affiliation":[{"name":"Department of Radiology, Saitama Children's Medical Center Saitama Children's Medical Center  Saitama 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