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"

10,911 rare diseases

Primary lateral sclerosis

Adult-onset PLS · Adult-onset primary lateral sclerosis

ORPHA:35689

Primary lipodystrophy

ORPHA:90970

Primary localized amyloidosis

Localized AL amyloidosis

ORPHA:314709

Primary lymphedema

ORPHA:77240

Primary lymphedema with systemic or visceral involvement

ORPHA:568044

Primary lymphedema without systemic or visceral involvement

ORPHA:568041

Primary lymphoma of the conjunctiva

Primary lymphoid conjunctival tumor

ORPHA:319667

Primary malignant peritoneal tumor

ORPHA:168807

Primary mediastinal large B-cell lymphoma

Large cell lymphoma of the mediastinum · Med-DLBCL

ORPHA:98838

Primary megaureter, adult-onset form

ORPHA:238642

Primary melanocytic tumor of central nervous system

Primary melanocytic lesion of CNS · Primary melanocytic lesion of central nervous system

ORPHA:252028

Primary melanoma of the central nervous system

Primary melanoma of the CNS · Malignant melanoma of meninges

ORPHA:252050

Primary membranoproliferative glomerulonephritis

Mesangiocapillary glomerulonephritis · Primary MPGN

ORPHA:54370

Primary membranous glomerulonephritis

Primary membranous nephropathy · Idiopathic membranous glomerulonephritis

ORPHA:97560

Primary microcephaly-epilepsy-permanent neonatal diabetes syndrome

ORPHA:306558

Primary microcephaly-mild intellectual disability-young-onset diabetes syndrome

ORPHA:391408

Primary myelofibrosis

Agnogenic myeloid metaplasia · Idiopathic myelofibrosis

ORPHA:824

Primary myoclonus

ORPHA:306750

Primary non-essential cutis verticis gyrata

ORPHA:357225

Primary non-gestational choriocarcinoma of ovary

NGCO · Primary non-gestational ovarian choriocarcinoma

ORPHA:289356

Primary oculocerebral lymphoma

Primary oculocerebral non-Hodgkin lymphoma

ORPHA:279897

Primary organ-specific lymphoma

ORPHA:279911

Primary orthostatic disorder

ORPHA:521236

Primary orthostatic hypotension

ORPHA:182058

Primary orthostatic tremor

POT

ORPHA:238606

Primary osteolysis

ORPHA:93449

Primary pediatric heart tumor

Cardiac tumor of child · Heart tumor of child

ORPHA:875

Primary pericardial mesothelioma

Primary malignant pericardial mesothelioma · PPM

ORPHA:685004

Primary peritoneal tumor

ORPHA:168803

Primary plasmacytoma of the bone

ORPHA:100021

Primary polyarteritis nodosa

Primary PAN · Primary periarteritis nodosa

ORPHA:439737

Primary progressive aphasia

Mesulam syndrome · PPA

ORPHA:95432

Primary progressive apraxia of speech

PPAOS

ORPHA:314566

Primary progressive freezing gait

PPFG

ORPHA:75567

Primary pulmonary hypoplasia

ORPHA:2257

Primary pulmonary lymphoma

ORPHA:2420

Primary pulmonary tuberculosis

Tuberculosis of respiratory system

ORPHA:645814

Primary pulmonary vein stenosis

PPVS · Congenital pulmonary vein stenosis

ORPHA:642071

Primary qualitative or quantitative defects of alpha-dystroglycan

Primary alpha-dystroglycanopathy · Primary dystroglycanopathy

ORPHA:371040

Primary renal tubular acidosis

ORPHA:314822

Primary sclerosing cholangitis

PSC

ORPHA:171

Primary short bowel syndrome

ORPHA:365563

Primary Sjögren disease

Primary Sjögren syndrome · Primary SjD

ORPHA:289390

Primary superior vena cava aneurysm

SVCA

ORPHA:652668

Primary syringomyelia

Congenital syringomyelia

ORPHA:99856

Primary systemic amyloidosis

Systemic AL amyloidosis

ORPHA:314701

Primary tethered cord syndrome

Primary tethered spinal cord syndrome

ORPHA:268861

Primary triglyceride deposit cardiomyovasculopathy

Primary neutral lipid storage disease with severe cardiovascular involvement · P-TGCV

ORPHA:565612