Partial Mole + Fetal Rubella

Fernando Heredia MD Ví­ctor Quiroz MD Carlos Henríquez MD

© Heredia www.thefetus.net/

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Dolichocephaly and ventriculomegaly (10 mm).

 

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Fetal sagittal views where we observed hydrops fetalis with ascites and hydropericardium. Thorax was compressed by the distended abdomen.

 

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Fetal abdomen with ascites.

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Fetal kidney with a cystic renal dysplasia appearance.

 

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Fetal leg and foot which looked like talipes because we could clearly see tibia and fibula un the same plane as the foot bones.

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We performed a fetal echocardiography which suggested the presence of a small VSD.

Umbilical artery Doppler was normal.

Because of the placental width we thought that this could be the expression of a TORCH infection. Also, the fact that the patient had an extremely early preeclampsia, and the anechoic images we observed in the placenta made us think in a partial molar pregnancy case, even thought the frequency of this pathology, specially in at this gestational age is really rare.

Blood b-hCG was over 100.000 U/ml.

A cordocentesis was performed a couple of days later.

The TORCH lab confirmed the diagnosis of fetal rubella. Fetal karyotype was 69XXY.

The final diagnosis of this case is Partial molar pregnancy + Fetal Rubella.

Figure 18: fetal karyotype.

 

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At 24 she delivered a stillborn which is showed in the following images:

Image of the fetus along with the placenta.

 

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Images of the fetal and maternal face of the molar placenta. In the detailed views we observe a few molar cysts.

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Image to show the placental thickness.

 

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Detail of the placental cysts.

 

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Fetal back.

 

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Fetal profile (note the small, low set malformed ears, micro retrognathia).

 

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Detail of the fetal hand with syndactyly of third and fourth digits (bilateral) and the simian crease.

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In the necropsy, we confirmed the prenatal diagnosis of  VSD and multicystic renal dysplasia.

Detail of VSD which is showed in these three images.

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Detail of fetal kidneys.

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The woman has been followed by the Oncology Unit of our center with no signs of molar recurrence.

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