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Ultrasound
Diagnosis
Head and Neck
Lumps and Bumps
Miscellaneous
Fibromatosis Colli
Fibromatosis Colli
Evelyn W. K. Tang, MBBS, FRCR; Yolanda Y. P. Lee, MBChB, FRCR; Simon S. M. Wong, MBBS, FRCR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          TERMINOLOGY

          • Synonyms

            • Sternocleidomastoid tumor of infancy (SCMTI)
            • Congenital muscular torticollis
              • Some literature includes 3 clinical subgroups
                • SCMTI
                • Muscular torticollis: "Tightness" without mass
                • Postural torticollis: Torticollis without mass or "tightness"

          • Definitions

            • Nonneoplastic sternocleidomastoid (SCM) muscle enlargement in early infancy

          IMAGING

          • General Features

            • Ultrasonographic Findings

              • Radiographic Findings

                • CT Findings

                  • MR Findings

                    • Imaging Recommendations

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Gross Pathologic & Surgical Features

                            CLINICAL ISSUES

                            • Presentation

                              • Demographics

                                • Natural History & Prognosis

                                  • Treatment

                                    DIAGNOSTIC CHECKLIST

                                    • Consider

                                      Selected References

                                      1. Bansal AG et al: US of pediatric superficial masses of the head and neck. Radiographics. 38(4):1239-1263, 2018
                                      2. Kumar B et al: Diagnosis of sternomastoid tumor of infancy by fine-needle aspiration cytology. Diagn Cytopathol. 39(1):13-7, 2010
                                      3. Laffan EE et al: Pediatric soft-tissue tumors and pseudotumors: MR imaging features with pathologic correlation: part 2. Tumors of fibroblastic/myofibroblastic, so-called fibrohistiocytic, muscular, lymphomatous, neurogenic, hair matrix, and uncertain origin. Radiographics. 29(4):e36, 2009
                                      4. Murphey MD et al: From the archives of the AFIP: musculoskeletal fibromatoses: radiologic-pathologic correlation. Radiographics. 29(7):2143-73, 2009
                                      5. Nayak SP et al: Cytodiagnosis of fibromatosis colli. Cytopathology. 18(4):266-8, 2007
                                      6. Ekinci S et al: Infantile fibromatosis of the sternocleidomastoid muscle mimicking muscular torticollis. J Pediatr Surg. 39(9):1424-5, 2004
                                      7. Kumar V et al: Bilateral sternocleidomastoid tumor of infancy. Int J Pediatr Otorhinolaryngol. 67(6):673-5, 2003
                                      8. Sharma S et al: Fibromatosis colli in infants. A cytologic study of eight cases. Acta Cytol. 47(3):359-62, 2003
                                      9. Wei JL et al: Pseudotumor of infancy and congenital muscular torticollis: 170 cases. Laryngoscope. 111(4 Pt 1):688-95, 2001
                                      10. Kurtycz DF et al: Diagnosis of fibromatosis colli by fine-needle aspiration. Diagn Cytopathol. 23(5):338-42, 2000
                                      11. 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
                                      12. Demirbilek S et al: Congenital muscular torticollis and sternomastoid tumor: results of nonoperative treatment. J Pediatr Surg. 34(4):549-51, 1999
                                      13. Jaber MR et al: Sternocleidomastoid tumor of infancy: two cases of an interesting entity. Int J Pediatr Otorhinolaryngol. 47(3):269-74, 1999
                                      14. Tufano RP et al: Bilateral sternocleidomastoid tumors of infancy. Int J Pediatr Otorhinolaryngol. 51(1):41-5, 1999
                                      15. Ablin DS et al: Ultrasound and MR imaging of fibromatosis colli (sternomastoid tumor of infancy). Pediatr Radiol. 28(4):230-3, 1998
                                      16. Bedi DG et al: Fibromatosis colli of infancy: variability of sonographic appearance. J Clin Ultrasound. 26(7):345-8, 1998
                                      17. Eich GF et al: Fibrous tumours in children: imaging features of a heterogeneous group of disorders. Pediatr Radiol. 28(7):500-9, 1998
                                      18. Snitzer EL et al: Magnetic resonance imaging appearance of fibromatosis colli. Magn Reson Imaging. 15(7):869-71, 1997
                                      19. Youkilis RA et al: Ultrasonographic imaging of sternocleidomastoid tumor of infancy. Ann Otol Rhinol Laryngol. 104(4 Pt 1):323-5, 1995
                                      20. Campbell RE et al: Image interpretation session: 1993. Fibromatosis colli. Radiographics. 14(1):208-9, 1994
                                      21. Guarisco JL: Congenital head and neck masses in infants and children. Part II. Ear Nose Throat J. 70(2):75-82, 1991
                                      22. Norton KI et al: Sternocleidomastoid tumor of infancy: CT manifestations. J Comput Assist Tomogr. 15(1):158-9, 1991
                                      23. Crawford SC et al: Fibromatosis colli of infancy: CT and sonographic findings. AJR Am J Roentgenol. 151(6):1183-4, 1988
                                      24. Glasier CM et al: High resolution ultrasound characterization of soft tissue masses in children. Pediatr Radiol. 17(3):233-7, 1987
                                      25. Tom LW et al: The sternocleidomastoid tumor of infancy. Int J Pediatr Otorhinolaryngol. 13(3):245-55, 1987
                                      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 tumor of infancy (SCMTI)
                                                • Congenital muscular torticollis
                                                  • Some literature includes 3 clinical subgroups
                                                    • SCMTI
                                                    • Muscular torticollis: "Tightness" without mass
                                                    • Postural torticollis: Torticollis without mass or "tightness"

                                              • Definitions

                                                • Nonneoplastic sternocleidomastoid (SCM) muscle enlargement in early infancy

                                              IMAGING

                                              • General Features

                                                • Ultrasonographic Findings

                                                  • Radiographic Findings

                                                    • CT Findings

                                                      • MR Findings

                                                        • Imaging Recommendations

                                                          DIFFERENTIAL DIAGNOSIS

                                                            PATHOLOGY

                                                            • General Features

                                                              • Gross Pathologic & Surgical Features

                                                                CLINICAL ISSUES

                                                                • Presentation

                                                                  • Demographics

                                                                    • Natural History & Prognosis

                                                                      • Treatment

                                                                        DIAGNOSTIC CHECKLIST

                                                                        • Consider

                                                                          Selected References

                                                                          1. Bansal AG et al: US of pediatric superficial masses of the head and neck. Radiographics. 38(4):1239-1263, 2018
                                                                          2. Kumar B et al: Diagnosis of sternomastoid tumor of infancy by fine-needle aspiration cytology. Diagn Cytopathol. 39(1):13-7, 2010
                                                                          3. Laffan EE et al: Pediatric soft-tissue tumors and pseudotumors: MR imaging features with pathologic correlation: part 2. Tumors of fibroblastic/myofibroblastic, so-called fibrohistiocytic, muscular, lymphomatous, neurogenic, hair matrix, and uncertain origin. Radiographics. 29(4):e36, 2009
                                                                          4. Murphey MD et al: From the archives of the AFIP: musculoskeletal fibromatoses: radiologic-pathologic correlation. Radiographics. 29(7):2143-73, 2009
                                                                          5. Nayak SP et al: Cytodiagnosis of fibromatosis colli. Cytopathology. 18(4):266-8, 2007
                                                                          6. Ekinci S et al: Infantile fibromatosis of the sternocleidomastoid muscle mimicking muscular torticollis. J Pediatr Surg. 39(9):1424-5, 2004
                                                                          7. Kumar V et al: Bilateral sternocleidomastoid tumor of infancy. Int J Pediatr Otorhinolaryngol. 67(6):673-5, 2003
                                                                          8. Sharma S et al: Fibromatosis colli in infants. A cytologic study of eight cases. Acta Cytol. 47(3):359-62, 2003
                                                                          9. Wei JL et al: Pseudotumor of infancy and congenital muscular torticollis: 170 cases. Laryngoscope. 111(4 Pt 1):688-95, 2001
                                                                          10. Kurtycz DF et al: Diagnosis of fibromatosis colli by fine-needle aspiration. Diagn Cytopathol. 23(5):338-42, 2000
                                                                          11. 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
                                                                          12. Demirbilek S et al: Congenital muscular torticollis and sternomastoid tumor: results of nonoperative treatment. J Pediatr Surg. 34(4):549-51, 1999
                                                                          13. Jaber MR et al: Sternocleidomastoid tumor of infancy: two cases of an interesting entity. Int J Pediatr Otorhinolaryngol. 47(3):269-74, 1999
                                                                          14. Tufano RP et al: Bilateral sternocleidomastoid tumors of infancy. Int J Pediatr Otorhinolaryngol. 51(1):41-5, 1999
                                                                          15. Ablin DS et al: Ultrasound and MR imaging of fibromatosis colli (sternomastoid tumor of infancy). Pediatr Radiol. 28(4):230-3, 1998
                                                                          16. Bedi DG et al: Fibromatosis colli of infancy: variability of sonographic appearance. J Clin Ultrasound. 26(7):345-8, 1998
                                                                          17. Eich GF et al: Fibrous tumours in children: imaging features of a heterogeneous group of disorders. Pediatr Radiol. 28(7):500-9, 1998
                                                                          18. Snitzer EL et al: Magnetic resonance imaging appearance of fibromatosis colli. Magn Reson Imaging. 15(7):869-71, 1997
                                                                          19. Youkilis RA et al: Ultrasonographic imaging of sternocleidomastoid tumor of infancy. Ann Otol Rhinol Laryngol. 104(4 Pt 1):323-5, 1995
                                                                          20. Campbell RE et al: Image interpretation session: 1993. Fibromatosis colli. Radiographics. 14(1):208-9, 1994
                                                                          21. Guarisco JL: Congenital head and neck masses in infants and children. Part II. Ear Nose Throat J. 70(2):75-82, 1991
                                                                          22. Norton KI et al: Sternocleidomastoid tumor of infancy: CT manifestations. J Comput Assist Tomogr. 15(1):158-9, 1991
                                                                          23. Crawford SC et al: Fibromatosis colli of infancy: CT and sonographic findings. AJR Am J Roentgenol. 151(6):1183-4, 1988
                                                                          24. Glasier CM et al: High resolution ultrasound characterization of soft tissue masses in children. Pediatr Radiol. 17(3):233-7, 1987
                                                                          25. Tom LW et al: The sternocleidomastoid tumor of infancy. Int J Pediatr Otorhinolaryngol. 13(3):245-55, 1987