| Autor: |
Nozomi Uemura, Yasushi Takai, Yukiko Mikami, Miwa Ogasawara, Masahiro Saitoh, Kazunori Baba, Junichi Tamaru, Masaaki Hara, Hiroyuki Seki |
| Jazyk: |
angličtina |
| Rok vydání: |
2019 |
| Předmět: |
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| Zdroj: |
Journal of Medical Case Reports, Vol 13, Iss 1, Pp 1-5 (2019) |
| Druh dokumentu: |
article |
| ISSN: |
1752-1947 |
| DOI: |
10.1186/s13256-019-2180-y |
| Popis: |
Abstract Background A hydatidiform mole with a coexisting fetus is a rare condition that commonly occurs as either a partial mole with fetus or a twin pregnancy comprising a complete mole and normal fetus. In the former case, the fetus is triploid, and in the latter case, the fetus is diploid with different alleles from those of the mole. Because there is a difference in the persistent trophoblastic disease incidence between the two, an accurate diagnosis is required. Case presentation We present a case of a 34-year-old Japanese woman who was pregnant with a hydatidiform mole and two coexisting fetuses. At 17 weeks of gestation, hemorrhage-induced progressive anemia in the mother prompted the decision to terminate the pregnancy, after which no complications occurred. Molecular cytogenetic analysis revealed that one of the fetuses was a normal diploid fetus with the same allele in the fetus and placenta. The hydatidiform mole was revealed to be a mosaic of two diploids, and the other coexisting fetus was a normal diploid that shared one of the mole alleles. Conclusions This was presumed to be a rare case of twin pregnancy by triploid embryo formation, followed by loss of an allele due to postzygotic diploidization, development of a diploid fetus, and development of another fetus from a separate embryo. Because of the existence of cases such as this one with a diploid fetus, but without a normal pregnancy coexistent with a complete hydatidiform mole, diagnosis by genetic analysis is required for prognosis. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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