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Bajic D, Canto Moreira N, Wikström J, et al. Development of the hippocampal region demonstrated by fetal MRI. A preliminary report. Neuroradiol J. 2011;24(3):461-3doi: 10.1177/197140091102400319.
Bajic, D., Canto Moreira, N., Wikström, J., & Raininko, R. (2011). Development of the hippocampal region demonstrated by fetal MRI. A preliminary report. The neuroradiology journal, 24(3), 461-3. https://doi.org/10.1177/197140091102400319
Bajic, D, et al. "Development of the hippocampal region demonstrated by fetal MRI. A preliminary report." The neuroradiology journal vol. 24,3 (2011): 461-3. doi: https://doi.org/10.1177/197140091102400319
Bajic D, Canto Moreira N, Wikström J, Raininko R. Development of the hippocampal region demonstrated by fetal MRI. A preliminary report. Neuroradiol J. 2011 Jun 30;24(3):461-3. doi: 10.1177/197140091102400319. Epub 2011 Jun 24. PMID: 24059673.
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Neuroradiol J. 2011 Jun 30;24(3):461-3. doi: 10.1177/197140091102400319. Epub 2011 Jun 24.

Development of the hippocampal region demonstrated by fetal MRI. A preliminary report.

The neuroradiology journal

D Bajic, N Canto Moreira, J Wikström, R Raininko

Affiliations

  1. Department of Radiology, Uppsala University; Uppsala, Sweden - [email protected].

PMID: 24059673 DOI: 10.1177/197140091102400319

Abstract

Coronal slices of three fetal MRIs performed post mortem and 37 performed in utero, all without intracranial pathology, was assessed. Progress of the hippocampal inversion was analyzed, the left and right sides were compared and occurrence of the collateral sulcus was revealed. The fetuses in the post mortem examinations were at gestation weeks (GW) 17-18 and in the in utero examinations at GW 19-35. The symmetric development of the hippocampal sulcus was revealed in 26 subjects and asymmetric in 14. The non-ovoid hippocampal formation could be evaluated at GW 24 at earliest and an ovoid hippocampus at GW 29. The collateral sulcus could be recognized at GW 17 in post mortem and at GW 22 in in utero examinations. From GW 29 onwards it was seen in all fetuses and it was symmetric in all but one case. Evaluation of the hippocampi is difficult on fetal MRI, especially in in utero examinations. The hippocampal development is not fulfilled at GW 21 as presumed. There is a wide temporal variation in the development of the hippocampal region, and the developmental process does not progress simultaneously in the right and left side of the same individual.

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