Cat-Ear-Line: A Sonographic Sign of Cortical Development?
Nana MatsuzawaLiona Chiu Yee PoonMegumi MachidaTakako NakamuraKohtaro UenishiYi Man WahSakita MoungmaithongAtsuo ItakuraHideaki ChiyoRitsuko Kimata PoohPublished in: Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine (2022)
From this study, it appears that the CEL is an ultrasound finding observed at and beyond 19 weeks in a normally developing fetus. In some MCD cases, pre-CEL at and beyond 19 weeks or abnormal CEL was observed. Maldeveloped CEL at mid-trimester may help identify cases at-risk of subsequent MCD.