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Updated: Jan 9, 2026

Analysis of Craniomaxillofacial Malformations in Mice Using Three-dimensional Microcomputed Tomography
Published on: January 17, 2025
[Anatomical study of an early human embryo from an ectopic pregnancy by micro-computed tomography]
Romain Martineau1, Maïda Cardoso2, Audrey Lamouroux3
1University of Medicine Montpellier-Nîmes, 641, avenue du Doyen Gaston-Giraud, 34090 Montpellier, France.
Background:
Micro-computed tomography (micro-CT) offers high-resolution, three-dimensional imaging of embryonic structures, overcoming limitations of standard autopsy in early loss of pregnancy.
Objective:
To assess the feasibility and relevance of micro-CT imaging in the anatomical study of a human embryo obtained from ectopic pregnancy.
Materials And Methods:
Following laparoscopic salpingectomy, a well-preserved 8mm embryo was extracted, fixed in formaldehyde, and stained with iodine-based contrast before being imaged using micro-CT at 12μm isotropic resolution.
Results:
The embryo, classified as Carnegie stage 15, was examined in detail. Micro-CT allowed non-destructive 3D visualization of multiple internal structures, including lungs, heart, liver, spleen, neural tube, and craniofacial features.
Discussion And Conclusion:
Micro-CT is a promising tool for studying early human development using specimens from ectopic pregnancies. It enables detailed morphological analysis at very early stages, enhances understanding of embryogenesis, and may complement routine postmortem examinations.

