Fibromatosis colli, also known as ‘sternocleidomastoid tumour of infancy’ or ‘pseudotumour of infancy’, is a rare condition involving fibrosis and swelling, or ‘tumour’ 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.
- preventative pediatrics
- neonatal health
- developmental paediatrocs
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Contributors LKR was responsible for the majority of the writing of this manuscript. Dr ACS provided the radiological diagnosis and provided edits of the manuscript. EAR provided the artwork and some of the writing for this manuscript. JRW provided oversight of the entire project, including the final radiological read, and final edits of the manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent for publication Parental/guardian consent obtained.
Provenance and peer review Not commissioned; externally peer reviewed.
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