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"

56 matching diseasesClear search ×

Mucopolysaccharidosis type 1

Alpha-L-iduronidase deficiency · MPS1

ORPHA:579

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

Adenosine monophosphate deaminase deficiency

AMP deaminase deficiency · Myoadenylate deaminase deficiency

ORPHA:45

Alkaline ceramidase 3 deficiency

Leukodystrophy due to alkaline ceramidase 3 deficiency · ACER3-related early childhood-onset progressive leukodystrophy

ORPHA:502444

Alpha delta granule deficiency

Combined alpha-delta platelet storage pool deficiency · Alpha dense granule deficiency

ORPHA:734

Alpha-1-antitrypsin deficiency

Alpha1-antitrypsin deficiency · Alpha-1-proteinase inhibitor deficiency

ORPHA:60

Alpha-mannosidosis

Lysosomal alpha-D-mannosidase deficiency

ORPHA:61

Alpha-mannosidosis, adult form

Lysosomal alpha-D-mannosidase deficiency, adult form

ORPHA:309288

Alpha-mannosidosis, infantile form

Lysosomal alpha-D-mannosidase deficiency, infantile form

ORPHA:309282

Alpha-N-acetylgalactosaminidase deficiency

NAGA deficiency · Schindler disease

ORPHA:3137

Alpha-N-acetylgalactosaminidase deficiency type 1

NAGA deficiency type 1 · Schindler disease type 1

ORPHA:79279

Alpha-N-acetylgalactosaminidase deficiency type 2

Adult-onset Alpha-N-acetylgalactosaminidase deficiency · Kanzaki disease

ORPHA:79280

Alpha-N-acetylgalactosaminidase deficiency type 3

NAGA deficiency type 3 · Schindler disease type 3

ORPHA:79281

Apolipoprotein A-I deficiency

ApoA-I deficiency · Familial apoA-I deficiency

ORPHA:425

Argininemia

Arginase 1 deficiency · Arginase deficiency

ORPHA:90

Argininosuccinic aciduria

ASA deficiency · ASL deficiency

ORPHA:23

Aromatase deficiency

Congenital estrogen deficiency

ORPHA:91

Biotinidase deficiency

Juvenile-onset multiple carboxylase deficiency · Late-onset multiple carboxylase deficiency

ORPHA:79241

Carnitine palmitoyl transferase 1A deficiency

CPT1A deficiency · Carnitine palmitoyl transferase IA deficiency

ORPHA:156

Citrullinemia type I

ASS deficiency · Argininosuccinate synthase deficiency

ORPHA:247525

Cleft lip and palate-craniofacial dysmorphism-congenital heart defect-hearing loss syndrome

Hyaluronidase 2 deficiency · Cleft lip and palate-craniofacial dysmorphism-congenital heart defect-deafness syndrome

ORPHA:508476

Combined immunodeficiency due to ITK deficiency

ITK deficiency · Autosomal recessive lymphoproliferative disease due to ITK deficiency

ORPHA:538963

Congenital adrenal hyperplasia due to 17-alpha-hydroxylase deficiency

CAH due to 17-alpha-hydroxylase deficiency · Combined 17-hydroxylase/17,20-lyase deficiency

ORPHA:90793

Congenital bile acid synthesis defect type 3

BASD3 · Oxysterol 7-alpha-hydroxylase deficiency

ORPHA:79302

Congenital bile acid synthesis defect type 4

2-methylacyl-CoA racemase deficiency · AMACR deficiency

ORPHA:79095

Fabry disease

Alpha-galactosidase A deficiency · Anderson-Fabry disease

ORPHA:324

Familial lipoprotein lipase deficiency

LPL deficiency

ORPHA:309015

Farber disease

Acid ceramidase deficiency · Farber lipogranulomatosis

ORPHA:333

Fructose-1,6-bisphosphatase deficiency

FBPase deficiency · Fructose-1,6-diphosphatase deficiency

ORPHA:348

Fucosidosis

Alpha-L-fucosidase deficiency

ORPHA:349

Glycogen storage disease due to acid maltase deficiency

Alpha-1,4-glucosidase acid deficiency · GSD due to acid maltase deficiency

ORPHA:365

Glycogen storage disease due to acid maltase deficiency, infantile onset

Glycogenosis type II, infantile onset · Glycogen storage disease type II, infantile onset

ORPHA:308552

Glycogen storage disease due to acid maltase deficiency, late-onset

GSD type II, late-onset · Glycogen storage disease type II, late-onset

ORPHA:420429

Glycogen storage disease due to lactate dehydrogenase deficiency

GSD due to lactate dehydrogenase deficiency · Glycogenosis due to lactate dehydrogenase deficiency

ORPHA:2364

Gray platelet syndrome

Alpha storage pool deficiency · GPS

ORPHA:721

Histidinemia

HAL deficiency · HIS deficiency

ORPHA:2157

Hyaluronidase deficiency

MPS9 · MPSIX

ORPHA:67041

Hyper-IgM syndrome type 2

AID deficiency · Activation-induced cytidine deaminase deficiency

ORPHA:101089

Hypocalcemic vitamin D-dependent rickets

1-alpha-hydroxylase deficiency · PDDRI

ORPHA:289157

LIG4 syndrome

DNA ligase IV deficiency · Ligase 4 syndrome

ORPHA:99812

Lysosomal acid lipase deficiency

LAL deficiency · LALD

ORPHA:275761

MOGS-CDG

CDG syndrome type IIb · CDG-IIb

ORPHA:79330

Mucopolysaccharidosis type 2

Hunter syndrome · Iduronate 2-sulfatase deficiency

ORPHA:580

Mucopolysaccharidosis type 2, attenuated form

Hunter syndrome type B · Iduronate 2-sulfatase deficiency type B

ORPHA:217093

Mucopolysaccharidosis type 2, severe form

Hunter syndrome type A · Iduronate 2-sulfatase deficiency type A

ORPHA:217085

Mucopolysaccharidosis type 6

ARSB deficiency · ASB deficiency

ORPHA:583

Mucopolysaccharidosis type 7

Beta-glucuronidase deficiency · MPS7

ORPHA:584

Neurodegenerative syndrome due to cerebral folate transport deficiency

Folate receptor alpha deficiency · Cerebral folate transport deficiency

ORPHA:217382