Movement Disorders
Peripheral dystonia
Jun. 06, 2023
This is an image preview.
Start a Free Account
to view the full image.
-
Nearly 3,000 illustrations, including video clips of neurologic disorders.
-
Every article is reviewed by our esteemed Editorial Board for accuracy and currency.
-
Full spectrum of neurology in 1,200 comprehensive articles.
-
Listen to MedLink on the go with Audio versions of each article.
Ultrasound scan of pregnant woman in whom fetal acrania was diagnosed (but autopsy showed anencephaly) (2)
Scan performed using the transabdominal probe in 3D rendering in a 30-year-old gravida 3, para 0 woman with diabetes at 13 weeks gestational age. Ultrasound diagnosis was acrania, but autopsy at 32 weeks showed anencephaly. Sagittal cross-section. Amniotic fluid anechoic. Yellow arrows: brain structures covered with rippling thin membrane similar to meninges--the “beret” sign. Blue arrows: orbits. Red arrows: bone edge on the border of calvarium defect. (Source: Szkodziak P, Krzyżanowski J, Krzyżanowski A, et al. The role of the "beret" sign and other markers in ultrasound diagnostic of the acrania-exencephaly-anencephaly sequence stages. Arch Gynecol Obstet 2020;302[3]:619-28. Creative Commons Attribution 4.0 International License, http://creativecommons.org/licenses/by/4.0.)