Normal brain fetal MRI (22 weeks)

Case contributed by Prof. Stacy Goergen


Suspected abnormality on ultrasound, referred for fetal MRI.

Patient Data

Age: 22w4d GA
Gender: Female

Normal fetal brain at 22 weeks gestation (unlabelled - see labeled images below).  Note the five layered laminar appearance, appropriate for this stage of gestation. The Sylvian fissures are becoming squared, but still open. The parieto-occipital fissures are present, and the calcarine fissures are becoming visible. The cingulate sulcus is not yet visible. The brain surface is generally smooth, with no secondary or tertiary sulci present.

Annotated image

Key features of cerebral lamination and sulcation at 22 weeks gestation.

Case Discussion

Normal fetal brain MRI at 22 weeks gestation, demonstrating the key cerebral features seen at this stage.

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Case information

rID: 50623
Published: 4th Feb 2017
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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