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Child's Nervous System

, Volume 34, Issue 8, pp 1563–1571 | Cite as

Prenatal diagnosis of Apert syndrome using ultrasound, magnetic resonance imaging, and three-dimensional virtual/physical models: three case series and literature review

  • Heron Werner
  • Pedro Castro
  • Pedro Daltro
  • Jorge Lopes
  • Gerson Ribeiro
  • Edward Araujo Júnior
Original Paper

Abstract

Objective

This aimed to describe the prenatal diagnosis of three cases of Apert syndrome using two-dimensional (2D) and three-dimensional (3D) ultrasound, magnetic resonance imaging (MRI), and 3D virtual/physical models.

Methods

We retrospectively analyzed three cases of Apert syndrome at our service. The prenatal diagnostic methods used were 2D ultrasound, 3D ultrasound in conventional and HDlive rendering modes, T2-weighted MRI sequences, and 3D virtual/physical models from MRI or 3D ultrasound scan data. All imaging methods were performed by one observer. All prenatal diagnoses were confirmed by autopsy in cases of termination of pregnancy or genetic assessment during the postnatal period.

Results

Mean ± standard deviation of maternal and gestational age at the time of diagnosis was 36.5 ± 3.5 years and 32 ± 4.2 weeks, respectively. Main 2D/3D ultrasound and MRI findings were craniosynostosis, hypertelorism, low ear implantation, increased kidneys dimensions, and syndactyly of hands and feet. 3D virtual/physical models allowed 3D view of fetal head and extremity abnormalities. Termination of pregnancy occurred in two cases.

Conclusion

Prenatal 3D ultrasound and MRI enabled the identification of all Apert syndrome phenotypes. 3D virtual/physical models provided both the parents and the medical team a better understanding of fetal abnormalities.

Keywords

Apert syndrome Prenatal diagnosis Three-dimensional ultrasound Magnetic resonance imaging Physical models 

Notes

Compliance with ethical standards

Conflict of interest

The authors declare no conflict of interest.

Supplementary material

381_2018_3740_Fig9_ESM.gif (168 kb)
Figure S1

3D ultrasound in the conventional rendering mode (32 weeks) demonstrating the fetal profile. Note the low ear implantation. (GIF 168 kb)

381_2018_3740_MOESM1_ESM.tif (194 kb)
High resolution image (TIFF 193 kb)
381_2018_3740_Fig10_ESM.gif (197 kb)
Figure S2

2D and 3D ultrasound in the conventional rendering mode (32 weeks) demonstrating finger fusion in the hands. (GIF 196 kb)

381_2018_3740_MOESM2_ESM.tif (185 kb)
High resolution image (TIFF 184 kb)
381_2018_3740_Fig11_ESM.gif (312 kb)
Figure S3

2D and 3D ultrasound in the conventional rendering mode (32 weeks) demonstrating toe fusion. (GIF 311 kb)

381_2018_3740_MOESM3_ESM.tif (280 kb)
High resolution image (TIFF 280 kb)
381_2018_3740_Fig12_ESM.gif (281 kb)
Figure S4

Sagittal T2-weighted magnetic resonance imaging (32 weeks) and 3D reconstruction. Note the syndactyly (arrows). (GIF 281 kb)

381_2018_3740_MOESM4_ESM.tif (291 kb)
High resolution image (TIFF 291 kb)
381_2018_3740_Fig13_ESM.gif (281 kb)
Figure S5

3D ultrasound in conventional and HDlive rendering modes (26 weeks) demonstrating the fusion of fingers and toes (arrows). (GIF 281 kb)

381_2018_3740_MOESM5_ESM.tif (265 kb)
High resolution image (TIFF 265 kb)
381_2018_3740_Fig14_ESM.gif (185 kb)
Figure S6

Sagittal T2-weighted magnetic resonance imaging (26 weeks) demonstrating the typical syndrome and syndactyly of hands (arrow). (GIF 185 kb)

381_2018_3740_MOESM6_ESM.tif (243 kb)
High resolution image (TIFF 242 kb)
381_2018_3740_Fig15_ESM.gif (478 kb)
Figure S7

Pathological anatomy showing the face and fetal profile. Note the hypertelorism, frontal prominence, and low ear implantation. (GIF 478 kb)

381_2018_3740_MOESM7_ESM.tif (573 kb)
High resolution image (TIFF 572 kb)
381_2018_3740_Fig16_ESM.gif (316 kb)
Figure S8

Pathological anatomy demonstrating syndactyly of hands and feet. (GIF 316 kb)

381_2018_3740_MOESM8_ESM.tif (344 kb)
High resolution image (TIFF 344 kb)
381_2018_3740_Fig17_ESM.gif (283 kb)
Figure S9

2D and 3D ultrasound in the HDlive rendering mode (32 weeks) showing the fetal profile and face. Note the frontal prominence and broad and low nasal root. (GIF 282 kb)

381_2018_3740_MOESM9_ESM.tif (274 kb)
High resolution image (TIFF 274 kb)
381_2018_3740_Fig18_ESM.gif (444 kb)
Figure S10

3D ultrasound in the conventional rendering mode (32 weeks) demonstrating syndactyly of hands and feet (arrows). (GIF 444 kb)

381_2018_3740_MOESM10_ESM.tif (391 kb)
High resolution image (TIFF 391 kb)
381_2018_3740_Fig19_ESM.gif (224 kb)
Figure S11

T2-weighted sagittal, coronal, and axial magnetic resonance imaging (32 weeks). Note the frontal prominence and hypertelorism. (GIF 224 kb)

381_2018_3740_MOESM11_ESM.tif (303 kb)
High resolution image (TIFF 302 kb)
381_2018_3740_Fig20_ESM.gif (233 kb)
Figure S12

3D physical model (32 weeks) of the fetal face from 3D ultrasound scan data. (GIF 233 kb)

381_2018_3740_MOESM12_ESM.tif (250 kb)
High resolution image (TIFF 250 kb)
381_2018_3740_MOESM13_ESM.mp4 (30.3 mb)
Video S1 3D virtual navigation (26 weeks) of the fetal face and extremities. (MP4 30,980 kb)

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of RadiologyClínica de Diagnóstico por Imagem (CDPI)Rio de JaneiroBrazil
  2. 2.Department of Arts and DesignPontifícia Universidade Católica (PUC Rio)Rio de JaneiroBrazil
  3. 3.Department of Obstetrics, Paulista School of MedicineFederal University of São Paulo (EPM-UNIFESP)São PauloBrazil

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