“…Diseases that are classically regarded as ichthyosis in the previously published scientific literature and that will continue to be included are shown in Figs 4 and 5. They include Sjögren-Larsson syndrome 75,76 ( Fig 5, B), Refsum syndrome, 77,78 neutral lipid storage disease with ichthyosis (also referred to as ChanarinDorfman syndrome) (Fig 5, G), 40,79,80 ichthyosis folliculariseatrichiaephotophobia syndrome (Fig 5, D), 81,82 Conradi-Hünermann-Happle syndrome (CDPX2) (Fig 5, F ), 83,84 multiple sulfatase deficiency, 85,86 congenital reticular ichthyosiform erythroderma also referred to as ichthyosis variegata 87 (or ichthyosis en confettis 88 ) (Fig 4, E ), and ichthyosis prematurity syndrome 89,90 (Fig 5, E ). In ichthyosis prematurity syndrome, affected pregnancies exhibit abnormal amniotic fluid both on ultrasound imaging and clinically.…”