Diagnosis of FS should not be made until PKS is ruled out.
Zenker
M
M
D000015:Abnormalities, Multiple / Q000235:genetics* / Q000473:pathology; D019465:Craniofacial Abnormalities / Q000473:pathology; D003937:Diagnosis, Differential; D006548:Hernia, Diaphragmatic / Q000473:pathology; D006801:Humans; D008607:Intellectual Disability / Q000473:pathology; D013577:Syndrome; D014430:Twins, Monozygotic / Q000235:genetics*