Ciliary Dyskinesia, Primary, 4, also known as primary ciliary dyskinesia 4, is related to ciliary dyskinesia, primary, 27 and cone-rod dystrophy, x-linked, 1. An important gene associated with Ciliary Dyskinesia, Primary, 4 is CILD4 (Ciliary Dyskinesia, Primary, 4). Related phenotypes are Increased transcriptional activity and growth/size/body region