Rosenberg E R, Bowie J D, Andreotti R F, Fields S I
AJR Am J Roentgenol. 1982 Dec;139(6):1145-7. doi: 10.2214/ajr.139.6.1145.
Seventy-five consecutive pregnant patients at 15--40 weeks of gestation underwent sonography, with special attention to identification of the fetal adrenal gland. The gland was found in 12% of fetuses of less than 26 weeks gestation and 90% of fetuses of more than 26 weeks. The gland characteristically has two long limbs that are relatively anechoic (thought to be the fetal zone of the cortex) and a central echogenic line in each limb (presumed medulla). The changes seen in the adrenal gland as pregnancy progresses are reviewed and correlated with the adrenal glands in newborn infants.
75名妊娠15至40周的连续孕妇接受了超声检查，特别关注胎儿肾上腺的识别。在妊娠小于26周的胎儿中，12%发现了肾上腺；在妊娠大于26周的胎儿中，90%发现了肾上腺。肾上腺的特征是有两条相对无回声的长肢（被认为是皮质的胎儿区），每条肢体内有一条中央回声线（推测为髓质）。本文回顾了妊娠过程中肾上腺的变化，并与新生儿的肾上腺进行了对比。
