congenital ichthyosis ichthyosis genetic skin disease X-linked ichthyosis SNOMEDCT_2010_1_31:205552006 SNOMEDCT_2010_1_31:402771003 URI: http://www.ebi.ac.uk/cellline#X-linked_ichthyosis SNOMEDCT_2010_1_31:254160003 "X-linked placental steryl-sulphatase deficiency" EXACT [SNOMEDCT_2005_07_31:3944006] "X-linked recessive ichthyosis (disorder)" EXACT [SNOMEDCT_2005_07_31:402771003] "X-linked recessive ichthyosis" EXACT [SNOMEDCT_2005_07_31:205552006] "X-linked recessive ichthyosis [Ambiguous]" EXACT [SNOMEDCT_2005_07_31:254160003] UMLS_CUI:C0079588 "X-linked ichthyosis with steryl-sulphatase deficiency" EXACT [SNOMEDCT_2005_07_31:72523005] OMIM2009_05_01:308100 MSH2010_2010_02_22:D016114 SNOMEDCT_2010_1_31:72523005 inborn errors steroid metabolism