Rare Disease Library

Browse Orphanet-curated rare diseases with HPO phenotype annotations, synonyms, and linked support programs. Search by name, abbreviation, or synonym.

Try: "IgA nephropathy", "C3G", "Berger's disease", "PKU", "Duchenne"

4 matching diseasesClear search ×

Congenital bile acid synthesis defect type 2

Cholestasis with delta(4)-3-oxosteroid 5-beta-reductase deficiency · BASD2

ORPHA:79303

46,XY difference of sex development due to 5-alpha-reductase 2 deficiency

46,XY DSD due to 5-alpha-reductase 2 deficiency · Pseudovaginal perineoscrotal hypospadias

ORPHA:753

Congenital bile acid synthesis defect type 1

BASD1 · 3-beta-hydroxy-delta-5-C27-steroid oxidoreductase deficiency

ORPHA:79301

Smith-Lemli-Opitz syndrome

7-dehydrocholesterol reductase deficiency · RSH syndrome

ORPHA:818