1. Anencephaly/acrania. A. Acrania
Anencephaly/acrania. A. Acrania. This 11-week fetus has absence of the cranium, with protrusion of a disorganized mass of brain tissue that resembles a “shower cap” (arrows) and a characteristic triangular facial appearance. B. Anencephaly. This sagittal image shows the absence of forebrain and cranium above the skull base and orbit. The long white arrow points to the fetal orbit, and the short white arrow indicates the nose.
Source: Fetal Imaging, Williams Obstetrics, 24e
Citation: Cunningham F, Leveno KJ, Bloom SL, Spong CY, Dashe JS, Hoffman BL, Casey BM, Sheffield JS. Williams Obstetrics, 24e; 2013 Available at: Accessed: October 20, 2017
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