{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,3]],"date-time":"2025-11-03T13:42:47Z","timestamp":1762177367825,"version":"3.44.0"},"reference-count":15,"publisher":"BMJ","issue":"1","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2020,12,16]]},"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:p>Fibromatosis colli, also known as \u2018sternocleidomastoid tumour of infancy\u2019 or \u2018pseudotumour of infancy\u2019, is a rare condition involving fibrosis and swelling, or \u2018tumour\u2019 of the sternocleidomastoid muscle in newborns that typically occurs after a traumatic delivery. Although usually self-limited, fibromatosis colli can lead to congenital muscular torticollis and positional plagiocephaly due to uneven forces on the neonatal skull. Ultrasound is the diagnostic imaging modality of choice and can prevent additional imaging and unnecessary intervention.<\/jats:p>","DOI":"10.1136\/bcr-2020-239236","type":"journal-article","created":{"date-parts":[[2021,1,12]],"date-time":"2021-01-12T18:42:16Z","timestamp":1610476936000},"page":"e239236","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":4,"title":["Fibromatosis colli leading to positional plagiocephaly with gross anatomical and sonographic correlation"],"prefix":"10.1136","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0875-1952","authenticated-orcid":false,"given":"Lee K","family":"Rousslang","sequence":"first","affiliation":[{"name":"Diagnostic Radiology, Tripler Army Medical Center, Honolulu, Hawaii, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elizabeth A","family":"Rooks","sequence":"additional","affiliation":[{"name":"Neuroscience, Duke University, Durham, North Carolina, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adam C","family":"Smith","sequence":"additional","affiliation":[{"name":"Diagnostic Radiology, Tripler Army Medical Center, Honolulu, Hawaii, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jonathan R","family":"Wood","sequence":"additional","affiliation":[{"name":"Diagnostic Radiology, Tripler Army Medical Center, Honolulu, Hawaii, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2021,1,11]]},"reference":[{"key":"2025082712322410000_14.1.e239236.1","doi-asserted-by":"crossref","first-page":"673","DOI":"10.1016\/S0165-5876(03)00070-3","article-title":"Bilateral sternocleidomastoid tumor of infancy","volume":"67","author":"Kumar","year":"2003","journal-title":"Int J Pediatr Otorhinolaryngol"},{"key":"2025082712322410000_14.1.e239236.2","doi-asserted-by":"crossref","first-page":"E4","DOI":"10.1177\/014556131008900902","article-title":"The presentation and management of fibromatosis colli","volume":"89","author":"Lowry","year":"2010","journal-title":"Ear Nose Throat J"},{"key":"2025082712322410000_14.1.e239236.3","first-page":"1731","article-title":"Pseudotumor of infancy and congenital muscular torticollis","volume":"52","author":"Porter","year":"1995","journal-title":"Am Fam Physician"},{"key":"2025082712322410000_14.1.e239236.4","doi-asserted-by":"crossref","first-page":"522","DOI":"10.1542\/peds.8.4.522","article-title":"Fibrous sternomastoid tumor of infancy","volume":"8","author":"Gruhn","year":"1951","journal-title":"Pediatrics"},{"key":"2025082712322410000_14.1.e239236.5","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-3468(99)90070-2"},{"key":"2025082712322410000_14.1.e239236.6","doi-asserted-by":"publisher","DOI":"10.5535\/arm.2011.35.5.641"},{"key":"2025082712322410000_14.1.e239236.7","doi-asserted-by":"crossref","first-page":"1183","DOI":"10.2214\/ajr.151.6.1183","article-title":"Fibromatosis colli of infancy: CT and sonographic findings","volume":"151","author":"Crawford","year":"1988","journal-title":"AJR Am J Roentgenol"},{"key":"2025082712322410000_14.1.e239236.8","doi-asserted-by":"crossref","first-page":"26","DOI":"10.1097\/01.mop.0001110932.74171.b7","article-title":"Congenital muscular torticollis: current concepts and review of treatment","volume":"18","author":"Do","year":"2006","journal-title":"Curr Opin Pediatr"},{"key":"2025082712322410000_14.1.e239236.9","doi-asserted-by":"crossref","first-page":"338","DOI":"10.1002\/1097-0339(200011)23:5<338::AID-DC11>3.0.CO;2-9","article-title":"Diagnosis of fibromatosis colli by fine-needle aspiration","volume":"23","author":"Kurtycz","year":"2000","journal-title":"Diagn Cytopathol"},{"key":"2025082712322410000_14.1.e239236.10","first-page":"323","article-title":"Fine needle aspiration biopsy of fibromatoses","volume":"37","author":"Raab","year":"1993","journal-title":"Acta Cytol"},{"key":"2025082712322410000_14.1.e239236.11","doi-asserted-by":"crossref","first-page":"198","DOI":"10.4103\/2231-0746.119222","article-title":"Congenital muscular torticollis","volume":"3","author":"Nilesh","year":"2013","journal-title":"Ann Maxillofac Surg"},{"key":"2025082712322410000_14.1.e239236.12","first-page":"153","article-title":"Congenital muscular torticollis in children: distribution, treatment duration and out come","volume":"46","author":"Petronic","year":"2010","journal-title":"Eur J Phys Rehabil Med"},{"key":"2025082712322410000_14.1.e239236.13","doi-asserted-by":"crossref","first-page":"45","DOI":"10.4103\/0971-3026.59753","article-title":"Case report: fibromatosis colli in a neonate","volume":"20","author":"Smiti","year":"2010","journal-title":"Indian J Radiol Imaging"},{"key":"2025082712322410000_14.1.e239236.14","doi-asserted-by":"crossref","first-page":"248","DOI":"10.1177\/014556139607500413","article-title":"Pseudotumor of infancy--the role of ultrasonography","volume":"75","author":"Maddalozzo","year":"1996","journal-title":"Ear Nose Throat J"},{"key":"2025082712322410000_14.1.e239236.15","doi-asserted-by":"publisher","DOI":"10.1097\/00005537-200104000-00023"}],"container-title":["BMJ Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bcr-2020-239236","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,8,27]],"date-time":"2025-08-27T19:32:35Z","timestamp":1756323155000},"score":1,"resource":{"primary":{"URL":"https:\/\/casereports.bmj.com\/lookup\/doi\/10.1136\/bcr-2020-239236"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,1]]},"references-count":15,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2021,1,11]]},"published-print":{"date-parts":[[2021,1]]}},"alternative-id":["10.1136\/bcr-2020-239236"],"URL":"https:\/\/doi.org\/10.1136\/bcr-2020-239236","relation":{},"ISSN":["1757-790X"],"issn-type":[{"type":"electronic","value":"1757-790X"}],"subject":[],"published":{"date-parts":[[2021,1]]}}}