Postulated to be due to birth trauma or peripartum injury
Torticollis ("wryneck"): Persistent twisting of neck such that ear on affected side is positioned lower & more midline than normal
When bony causes of torticollis have been excluded, consider fibrosis of SCM muscle
IMAGING
General Features
Radiographic Findings
Ultrasonographic Findings
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
Selected References
Wojcicki KM et al: Fibromatosis colli spuriously presenting as a retropharyngeal mass on cervical spine radiographs. Intern Emerg Med. 11(2):277-9, 2015
Lowry KC et al: The presentation and management of fibromatosis colli. Ear Nose Throat J. 89(9):E4-8, 2010
Murphey MD et al: From the archives of the AFIP: musculoskeletal fibromatoses: radiologic-pathologic correlation. Radiographics. 29(7):2143-73, 2009
Ekinci S et al: Infantile fibromatosis of the sternocleidomastoid muscle mimicking muscular torticollis. J Pediatr Surg. 39(9):1424-5, 2004
Parikh SN et al: Magnetic resonance imaging in the evaluation of infantile torticollis. Orthopedics. 27(5):509-15, 2004
Sharma S et al: Fibromatosis colli in infants. a cytologic study of eight cases. Acta Cytol. 47(3):359-62, 2003
Cheng JC et al: Sternocleidomastoid pseudotumor and congenital muscular torticollis in infants: a prospective study of 510 cases. J Pediatr. 134(6):712-6, 1999
Demirbilek S et al: Congenital muscular torticollis and sternomastoid tumor: results of nonoperative treatment. J Pediatr Surg. 34(4):549-51, 1999
Jaber MR et al: Sternocleidomastoid tumor of infancy: two cases of an interesting entity. Int J Pediatr Otorhinolaryngol. 47(3):269-74, 1999
Ablin DS et al: Ultrasound and MR imaging of fibromatosis colli (sternomastoid tumor of infancy). Pediatr Radiol. 28(4):230-3, 1998
Bedi DG et al: Fibromatosis colli of infancy: variability of sonographic appearance. J Clin Ultrasound. 26(7):345-8, 1998
Eich GF et al: Fibrous tumours in children: imaging features of a heterogeneous group of disorders. Pediatr Radiol. 28(7):500-9, 1998
Garant M et al: Aggressive fibromatosis of the neck: MR findings. AJNR Am J Neuroradiol. 18(8):1429-31, 1997
Vazquez E et al: US, CT, and MR imaging of neck lesions in children. Radiographics. 15(1):105-22, 1995
Youkilis RA et al: Ultrasonographic imaging of sternocleidomastoid tumor of infancy. Ann Otol Rhinol Laryngol. 104(4 Pt 1):323-5, 1995
Postulated to be due to birth trauma or peripartum injury
Torticollis ("wryneck"): Persistent twisting of neck such that ear on affected side is positioned lower & more midline than normal
When bony causes of torticollis have been excluded, consider fibrosis of SCM muscle
IMAGING
General Features
Radiographic Findings
Ultrasonographic Findings
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
Selected References
Wojcicki KM et al: Fibromatosis colli spuriously presenting as a retropharyngeal mass on cervical spine radiographs. Intern Emerg Med. 11(2):277-9, 2015
Lowry KC et al: The presentation and management of fibromatosis colli. Ear Nose Throat J. 89(9):E4-8, 2010
Murphey MD et al: From the archives of the AFIP: musculoskeletal fibromatoses: radiologic-pathologic correlation. Radiographics. 29(7):2143-73, 2009
Ekinci S et al: Infantile fibromatosis of the sternocleidomastoid muscle mimicking muscular torticollis. J Pediatr Surg. 39(9):1424-5, 2004
Parikh SN et al: Magnetic resonance imaging in the evaluation of infantile torticollis. Orthopedics. 27(5):509-15, 2004
Sharma S et al: Fibromatosis colli in infants. a cytologic study of eight cases. Acta Cytol. 47(3):359-62, 2003
Cheng JC et al: Sternocleidomastoid pseudotumor and congenital muscular torticollis in infants: a prospective study of 510 cases. J Pediatr. 134(6):712-6, 1999
Demirbilek S et al: Congenital muscular torticollis and sternomastoid tumor: results of nonoperative treatment. J Pediatr Surg. 34(4):549-51, 1999
Jaber MR et al: Sternocleidomastoid tumor of infancy: two cases of an interesting entity. Int J Pediatr Otorhinolaryngol. 47(3):269-74, 1999
Ablin DS et al: Ultrasound and MR imaging of fibromatosis colli (sternomastoid tumor of infancy). Pediatr Radiol. 28(4):230-3, 1998
Bedi DG et al: Fibromatosis colli of infancy: variability of sonographic appearance. J Clin Ultrasound. 26(7):345-8, 1998
Eich GF et al: Fibrous tumours in children: imaging features of a heterogeneous group of disorders. Pediatr Radiol. 28(7):500-9, 1998
Garant M et al: Aggressive fibromatosis of the neck: MR findings. AJNR Am J Neuroradiol. 18(8):1429-31, 1997
Vazquez E et al: US, CT, and MR imaging of neck lesions in children. Radiographics. 15(1):105-22, 1995
Youkilis RA et al: Ultrasonographic imaging of sternocleidomastoid tumor of infancy. Ann Otol Rhinol Laryngol. 104(4 Pt 1):323-5, 1995
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