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Fibromatosis Colli
Bernadette L. Koch, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Synonyms

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

              • Nonneoplastic SCM muscle enlargement in early infancy
              • Torticollis = "wryneck": Head tilted to one side, rotated to contralateral side

            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

                                        DIAGNOSTIC CHECKLIST

                                        • Consider

                                          • Image Interpretation Pearls

                                            Selected References

                                            1. Kumar B et al: Diagnosis of sternomastoid tumor of infancy by fine-needle aspiration cytology. Diagn Cytopathol. 39(1):13-7, 2011
                                            2. Lowry KC et al: The presentation and management of fibromatosis colli. Ear Nose Throat J. 89(9):E4-8, 2010
                                            3. Murphey MD et al: From the archives of the AFIP: musculoskeletal fibromatoses: radiologic-pathologic correlation. Radiographics. 29(7):2143-73, 2009
                                            4. Nayak SP et al: Cytodiagnosis of fibromatosis colli. Cytopathology. 18(4):266-8, 2007
                                            5. Ekinci S et al: Infantile fibromatosis of the sternocleidomastoid muscle mimicking muscular torticollis. J Pediatr Surg. 39(9):1424-5, 2004
                                            6. Kumar V et al: Bilateral sternocleidomastoid tumor of infancy. Int J Pediatr Otorhinolaryngol. 67(6):673-5, 2003
                                            7. Sharma S et al: Fibromatosis colli in infants. A cytologic study of eight cases. Acta Cytol. 47(3):359-62, 2003
                                            8. 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
                                            9. Demirbilek S et al: Congenital muscular torticollis and sternomastoid tumor: results of nonoperative treatment. J Pediatr Surg. 34(4):549-51, 1999
                                            10. Jaber MR et al: Sternocleidomastoid tumor of infancy: two cases of an interesting entity. Int J Pediatr Otorhinolaryngol. 47(3):269-74, 1999
                                            11. Tufano RP et al: Bilateral sternocleidomastoid tumors of infancy. Int J Pediatr Otorhinolaryngol. 51(1):41-5, 1999
                                            12. Ablin DS et al: Ultrasound and MR imaging of fibromatosis colli (sternomastoid tumor of infancy). Pediatr Radiol. 28(4):230-3, 1998
                                            13. Bedi DG et al: Fibromatosis colli of infancy: variability of sonographic appearance. J Clin Ultrasound. 26(7):345-8, 1998
                                            14. Eich GF et al: Fibrous tumours in children: imaging features of a heterogeneous group of disorders. Pediatr Radiol. 28(7):500-9, 1998
                                            15. Snitzer EL et al: Magnetic resonance imaging appearance of fibromatosis colli. Magn Reson Imaging. 15(7):869-71, 1997
                                            16. Youkilis RA et al: Ultrasonographic imaging of sternocleidomastoid tumor of infancy. Ann Otol Rhinol Laryngol. 104(4 Pt 1):323-5, 1995
                                            17. Campbell RE et al: Image interpretation session: 1993. Fibromatosis colli. Radiographics. 14(1):208-9, 1994
                                            18. Norton KI et al: Sternocleidomastoid tumor of infancy: CT manifestations. J Comput Assist Tomogr. 15(1):158-9, 1991
                                            19. Crawford SC et al: Fibromatosis colli of infancy: CT and sonographic findings. AJR Am J Roentgenol. 151(6):1183-4, 1988
                                            20. 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

                                                    • Diagnostic Checklist

                                                      TERMINOLOGY

                                                      • Synonyms

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

                                                        • Nonneoplastic SCM muscle enlargement in early infancy
                                                        • Torticollis = "wryneck": Head tilted to one side, rotated to contralateral side

                                                      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

                                                                                  DIAGNOSTIC CHECKLIST

                                                                                  • Consider

                                                                                    • Image Interpretation Pearls

                                                                                      Selected References

                                                                                      1. Kumar B et al: Diagnosis of sternomastoid tumor of infancy by fine-needle aspiration cytology. Diagn Cytopathol. 39(1):13-7, 2011
                                                                                      2. Lowry KC et al: The presentation and management of fibromatosis colli. Ear Nose Throat J. 89(9):E4-8, 2010
                                                                                      3. Murphey MD et al: From the archives of the AFIP: musculoskeletal fibromatoses: radiologic-pathologic correlation. Radiographics. 29(7):2143-73, 2009
                                                                                      4. Nayak SP et al: Cytodiagnosis of fibromatosis colli. Cytopathology. 18(4):266-8, 2007
                                                                                      5. Ekinci S et al: Infantile fibromatosis of the sternocleidomastoid muscle mimicking muscular torticollis. J Pediatr Surg. 39(9):1424-5, 2004
                                                                                      6. Kumar V et al: Bilateral sternocleidomastoid tumor of infancy. Int J Pediatr Otorhinolaryngol. 67(6):673-5, 2003
                                                                                      7. Sharma S et al: Fibromatosis colli in infants. A cytologic study of eight cases. Acta Cytol. 47(3):359-62, 2003
                                                                                      8. 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
                                                                                      9. Demirbilek S et al: Congenital muscular torticollis and sternomastoid tumor: results of nonoperative treatment. J Pediatr Surg. 34(4):549-51, 1999
                                                                                      10. Jaber MR et al: Sternocleidomastoid tumor of infancy: two cases of an interesting entity. Int J Pediatr Otorhinolaryngol. 47(3):269-74, 1999
                                                                                      11. Tufano RP et al: Bilateral sternocleidomastoid tumors of infancy. Int J Pediatr Otorhinolaryngol. 51(1):41-5, 1999
                                                                                      12. Ablin DS et al: Ultrasound and MR imaging of fibromatosis colli (sternomastoid tumor of infancy). Pediatr Radiol. 28(4):230-3, 1998
                                                                                      13. Bedi DG et al: Fibromatosis colli of infancy: variability of sonographic appearance. J Clin Ultrasound. 26(7):345-8, 1998
                                                                                      14. Eich GF et al: Fibrous tumours in children: imaging features of a heterogeneous group of disorders. Pediatr Radiol. 28(7):500-9, 1998
                                                                                      15. Snitzer EL et al: Magnetic resonance imaging appearance of fibromatosis colli. Magn Reson Imaging. 15(7):869-71, 1997
                                                                                      16. Youkilis RA et al: Ultrasonographic imaging of sternocleidomastoid tumor of infancy. Ann Otol Rhinol Laryngol. 104(4 Pt 1):323-5, 1995
                                                                                      17. Campbell RE et al: Image interpretation session: 1993. Fibromatosis colli. Radiographics. 14(1):208-9, 1994
                                                                                      18. Norton KI et al: Sternocleidomastoid tumor of infancy: CT manifestations. J Comput Assist Tomogr. 15(1):158-9, 1991
                                                                                      19. Crawford SC et al: Fibromatosis colli of infancy: CT and sonographic findings. AJR Am J Roentgenol. 151(6):1183-4, 1988
                                                                                      20. Tom LW et al: The sternocleidomastoid tumor of infancy. Int J Pediatr Otorhinolaryngol. 13(3):245-55, 1987