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Chorionic Bump
Anne M. Kennedy, MD
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KEY FACTS

  • Imaging

    • Top Differential Diagnoses

      • Clinical Issues

        • Diagnostic Checklist

          TERMINOLOGY

          • Abbreviations

            • Chorionic bump (CB)

          IMAGING

          • General Features

            • Ultrasonographic Findings

              DIFFERENTIAL DIAGNOSIS

                PATHOLOGY

                • General Features

                  CLINICAL ISSUES

                  • Presentation

                    • Demographics

                      • Natural History & Prognosis

                        • Treatment

                          DIAGNOSTIC CHECKLIST

                          • Consider

                            Selected References

                            1. Arleo EK et al: Chorionic bump on first-trimester sonography: not necessarily a poor prognostic indicator for pregnancy. J Ultrasound Med. 34(1):137-42, 2015
                            2. Sana Y et al: Clinical significance of first-trimester chorionic bumps: a matched case-control study. Ultrasound Obstet Gynecol. 42(5):585-9, 2013
                            3. Tan S et al: The chorionic bump: Radiologic and pathologic correlation. J Clin Ultrasound. 39(1):35-7, 2011
                            4. Northrup BE et al: The chorionic bump in an ectopic pregnancy. J Clin Ultrasound. 37(5):292-4, 2009
                            5. Harris RD et al: The chorionic bump: a first-trimester pregnancy sonographic finding associated with a guarded prognosis. J Ultrasound Med. 25(6):757-63, 2006
                            Related Anatomy
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                            Related Differential Diagnoses
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                            References
                            Tables

                            Tables

                            KEY FACTS

                            • Imaging

                              • Top Differential Diagnoses

                                • Clinical Issues

                                  • Diagnostic Checklist

                                    TERMINOLOGY

                                    • Abbreviations

                                      • Chorionic bump (CB)

                                    IMAGING

                                    • General Features

                                      • Ultrasonographic Findings

                                        DIFFERENTIAL DIAGNOSIS

                                          PATHOLOGY

                                          • General Features

                                            CLINICAL ISSUES

                                            • Presentation

                                              • Demographics

                                                • Natural History & Prognosis

                                                  • Treatment

                                                    DIAGNOSTIC CHECKLIST

                                                    • Consider

                                                      Selected References

                                                      1. Arleo EK et al: Chorionic bump on first-trimester sonography: not necessarily a poor prognostic indicator for pregnancy. J Ultrasound Med. 34(1):137-42, 2015
                                                      2. Sana Y et al: Clinical significance of first-trimester chorionic bumps: a matched case-control study. Ultrasound Obstet Gynecol. 42(5):585-9, 2013
                                                      3. Tan S et al: The chorionic bump: Radiologic and pathologic correlation. J Clin Ultrasound. 39(1):35-7, 2011
                                                      4. Northrup BE et al: The chorionic bump in an ectopic pregnancy. J Clin Ultrasound. 37(5):292-4, 2009
                                                      5. Harris RD et al: The chorionic bump: a first-trimester pregnancy sonographic finding associated with a guarded prognosis. J Ultrasound Med. 25(6):757-63, 2006