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Simple Coccygeal Dimple
Jeffrey S. Ross, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Synonyms

                • Sacral dimple
              • Definitions

                • Low sacral dimple connecting to coccyx by fibrous tract
                • No intradural extension by definition

              IMAGING

              • General Features

                • CT Findings

                  • MR Findings

                    • Ultrasonographic Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            • Gross Pathologic & Surgical Features

                              CLINICAL ISSUES

                              • Presentation

                                • Natural History & Prognosis

                                  • Treatment

                                    DIAGNOSTIC CHECKLIST

                                    • Consider

                                      • Image Interpretation Pearls

                                        Selected References

                                        1. Oh JE et al: Filum terminale lipoma revealed by screening spinal ultrasonography in infants with simple sacral dimple. Childs Nerv Syst. 36(5):1037-42, 2019
                                        2. Ausili E et al: Occult spinal dysraphisms in newborns with skin markers: role of ultrasonography and magnetic resonance imaging. Childs Nerv Syst. 34(2):285-91, 2018
                                        3. Choi JH et al: Outcome of ultrasonographic imaging in infants with sacral dimple. Korean J Pediatr. 61(6):194-9, 2018
                                        4. Gomi A et al: Sacrococcygeal dimple: new classification and relationship with spinal lesions. Childs Nerv Syst. 29(9):1641-5, 2013
                                        5. Albert GW: Spine ultrasounds should not be routinely performed for patients with simple sacral dimples. Acta Paediatr. 105(8):890-4, 2016
                                        6. Wilson P et al: Screening for spinal dysraphisms in newborns with sacral dimples. Clin Pediatr (Phila). 55(11):1064-70, 2016
                                        7. Kucera JN et al: The simple sacral dimple: diagnostic yield of ultrasound in neonates. Pediatr Radiol. 45(2):211-6, 2014
                                        8. Sasani M et al: Correlation of cutaneous lesions with clinical radiological and urodynamic findings in the prognosis of underlying spinal dysraphism disorders. Pediatr Neurosurg. 44(5):360-70, 2008
                                        9. Robinson AJ et al: The value of ultrasonic examination of the lumbar spine in infants with specific reference to cutaneous markers of occult spinal dysraphism. Clin Radiol. 60(1):72-7, 2005
                                        10. Higgins JC et al: Simple dimple rule for sacral dimples. Am Fam Physician. 65(12):2435, 2002
                                        11. Sneineh AK et al: Ultrasonography of the spine in neonates and young infants with a sacral skin dimple. J Pediatr Orthop. 22(6):761-2, 2002
                                        12. Gibson PJ et al: Lumbosacral skin markers and identification of occult spinal dysraphism in neonates. Acta Paediatr. 84(2):208-9, 1995
                                        Related Anatomy
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                                        Related Differential Diagnoses
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                                        References
                                        Tables

                                        Tables

                                        KEY FACTS

                                        • Terminology

                                          • Imaging

                                            • Top Differential Diagnoses

                                              • Pathology

                                                • Clinical Issues

                                                  • Diagnostic Checklist

                                                    TERMINOLOGY

                                                    • Synonyms

                                                      • Sacral dimple
                                                    • Definitions

                                                      • Low sacral dimple connecting to coccyx by fibrous tract
                                                      • No intradural extension by definition

                                                    IMAGING

                                                    • General Features

                                                      • CT Findings

                                                        • MR Findings

                                                          • Ultrasonographic Findings

                                                            • Imaging Recommendations

                                                              DIFFERENTIAL DIAGNOSIS

                                                                PATHOLOGY

                                                                • General Features

                                                                  • Gross Pathologic & Surgical Features

                                                                    CLINICAL ISSUES

                                                                    • Presentation

                                                                      • Natural History & Prognosis

                                                                        • Treatment

                                                                          DIAGNOSTIC CHECKLIST

                                                                          • Consider

                                                                            • Image Interpretation Pearls

                                                                              Selected References

                                                                              1. Oh JE et al: Filum terminale lipoma revealed by screening spinal ultrasonography in infants with simple sacral dimple. Childs Nerv Syst. 36(5):1037-42, 2019
                                                                              2. Ausili E et al: Occult spinal dysraphisms in newborns with skin markers: role of ultrasonography and magnetic resonance imaging. Childs Nerv Syst. 34(2):285-91, 2018
                                                                              3. Choi JH et al: Outcome of ultrasonographic imaging in infants with sacral dimple. Korean J Pediatr. 61(6):194-9, 2018
                                                                              4. Gomi A et al: Sacrococcygeal dimple: new classification and relationship with spinal lesions. Childs Nerv Syst. 29(9):1641-5, 2013
                                                                              5. Albert GW: Spine ultrasounds should not be routinely performed for patients with simple sacral dimples. Acta Paediatr. 105(8):890-4, 2016
                                                                              6. Wilson P et al: Screening for spinal dysraphisms in newborns with sacral dimples. Clin Pediatr (Phila). 55(11):1064-70, 2016
                                                                              7. Kucera JN et al: The simple sacral dimple: diagnostic yield of ultrasound in neonates. Pediatr Radiol. 45(2):211-6, 2014
                                                                              8. Sasani M et al: Correlation of cutaneous lesions with clinical radiological and urodynamic findings in the prognosis of underlying spinal dysraphism disorders. Pediatr Neurosurg. 44(5):360-70, 2008
                                                                              9. Robinson AJ et al: The value of ultrasonic examination of the lumbar spine in infants with specific reference to cutaneous markers of occult spinal dysraphism. Clin Radiol. 60(1):72-7, 2005
                                                                              10. Higgins JC et al: Simple dimple rule for sacral dimples. Am Fam Physician. 65(12):2435, 2002
                                                                              11. Sneineh AK et al: Ultrasonography of the spine in neonates and young infants with a sacral skin dimple. J Pediatr Orthop. 22(6):761-2, 2002
                                                                              12. Gibson PJ et al: Lumbosacral skin markers and identification of occult spinal dysraphism in neonates. Acta Paediatr. 84(2):208-9, 1995