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Placental Teratoma
Paula J. Woodward, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Diagnostic Checklist

          TERMINOLOGY

          • Definitions

            • Benign nontrophoblastic placental mass composed of all 3 germ cell layers
              • Endoderm, mesoderm, ectoderm
            • Remains controversial whether true neoplasm or extreme form of acardiac twin

          IMAGING

          • General Features

            • Ultrasonographic Findings

              DIFFERENTIAL DIAGNOSIS

                PATHOLOGY

                • General Features

                  • Gross Pathologic & Surgical Features

                    • Microscopic Features

                      CLINICAL ISSUES

                      • Presentation

                        • Demographics

                          • Natural History & Prognosis

                            DIAGNOSTIC CHECKLIST

                            • Consider

                              Selected References

                              1. Barisik NM et al: Mature placental teratoma: case report. Open J Path, 3:131-32, 2013
                              2. Prashanth A et al: Placental teratoma presenting as a lobulated mass behind the neck of fetus: a case report. Case Rep Obstet Gynecol. 2012:857230, 2012
                              3. Kudva R et al: Placental teratoma: a diagnostic dilemma with fetus acardius amorphous. Indian J Pathol Microbiol. 53(2):378-9, 2010
                              4. Buyukkurt S et al: Prenatal diagnosis of placental teratoma: a case report. Eur J Obstet Gynecol Reprod Biol. 146(2):233-4, 2009
                              5. Gaffar BA et al: Placental teratoma or fetus acardius amorphous? Hematol Oncol Stem Cell Ther. 1(1):57-61, 2008
                              6. Tan G et al: Large teratoma of the placenta. Int J Gynecol Ob. 11(2), 2008
                              7. Ahmed N et al: Sonographic diagnosis of placental teratoma. J Clin Ultrasound. 32(2):98-101, 2004
                              8. Jamal AA: Placental teratoma: A case report and review of the literature. Ann Saudi Med. 19(4):359-61, 1999
                              9. Elagoz S et al: Placental teratoma. A case report. Eur J Obstet Gynecol Reprod Biol. 80(2):263-5, 1998
                              10. Wang L et al: Placental teratoma. A case report and review of the literature. Pathol Res Pract. 191(12):1267-70; discussion 1270, 1995
                              11. Williams VL et al: Placental teratoma: prenatal ultrasonographic diagnosis. J Ultrasound Med. 13(7):587-9, 1994
                              Related Anatomy
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                              Related Differential Diagnoses
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                              References
                              Tables

                              Tables

                              KEY FACTS

                              • Terminology

                                • Imaging

                                  • Top Differential Diagnoses

                                    • Diagnostic Checklist

                                      TERMINOLOGY

                                      • Definitions

                                        • Benign nontrophoblastic placental mass composed of all 3 germ cell layers
                                          • Endoderm, mesoderm, ectoderm
                                        • Remains controversial whether true neoplasm or extreme form of acardiac twin

                                      IMAGING

                                      • General Features

                                        • Ultrasonographic Findings

                                          DIFFERENTIAL DIAGNOSIS

                                            PATHOLOGY

                                            • General Features

                                              • Gross Pathologic & Surgical Features

                                                • Microscopic Features

                                                  CLINICAL ISSUES

                                                  • Presentation

                                                    • Demographics

                                                      • Natural History & Prognosis

                                                        DIAGNOSTIC CHECKLIST

                                                        • Consider

                                                          Selected References

                                                          1. Barisik NM et al: Mature placental teratoma: case report. Open J Path, 3:131-32, 2013
                                                          2. Prashanth A et al: Placental teratoma presenting as a lobulated mass behind the neck of fetus: a case report. Case Rep Obstet Gynecol. 2012:857230, 2012
                                                          3. Kudva R et al: Placental teratoma: a diagnostic dilemma with fetus acardius amorphous. Indian J Pathol Microbiol. 53(2):378-9, 2010
                                                          4. Buyukkurt S et al: Prenatal diagnosis of placental teratoma: a case report. Eur J Obstet Gynecol Reprod Biol. 146(2):233-4, 2009
                                                          5. Gaffar BA et al: Placental teratoma or fetus acardius amorphous? Hematol Oncol Stem Cell Ther. 1(1):57-61, 2008
                                                          6. Tan G et al: Large teratoma of the placenta. Int J Gynecol Ob. 11(2), 2008
                                                          7. Ahmed N et al: Sonographic diagnosis of placental teratoma. J Clin Ultrasound. 32(2):98-101, 2004
                                                          8. Jamal AA: Placental teratoma: A case report and review of the literature. Ann Saudi Med. 19(4):359-61, 1999
                                                          9. Elagoz S et al: Placental teratoma. A case report. Eur J Obstet Gynecol Reprod Biol. 80(2):263-5, 1998
                                                          10. Wang L et al: Placental teratoma. A case report and review of the literature. Pathol Res Pract. 191(12):1267-70; discussion 1270, 1995
                                                          11. Williams VL et al: Placental teratoma: prenatal ultrasonographic diagnosis. J Ultrasound Med. 13(7):587-9, 1994