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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Clinical Issues
TERMINOLOGY
Synonyms
- Sternocleidomastoid (SCM) pseudotumor, SCM tumor of infancy, congenital muscular torticollis, neonatal torticollis
Definitions
- Most common cervical "mass" of infancy
- Benign fibrosis of SCM muscle
- 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
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Clinical Issues
TERMINOLOGY
Synonyms
- Sternocleidomastoid (SCM) pseudotumor, SCM tumor of infancy, congenital muscular torticollis, neonatal torticollis
Definitions
- Most common cervical "mass" of infancy
- Benign fibrosis of SCM muscle
- 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
