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

Phosphoenolpyruvate carboxykinase deficiency

PEPCK deficiency

ORPHA:2880

Phosphoribosylpyrophosphate synthetase superactivity

PRPP synthetase superactivity · PRPS1 superactivity

ORPHA:3222

Phosphoserine aminotransferase deficiency, infantile/juvenile form

PSAT deficiency, infantile/juvenile form

ORPHA:284417

Photosensitive occipital lobe epilepsy

POLE

ORPHA:166409

Phyllodes tumor of the breast

ORPHA:180261

Phyllodes tumor of the prostate

Cystosarcoma phyllodes of the prostate · Phyllodes type of atypical prostatic hyperplasia

ORPHA:498228

PIBIDS syndrome

Trichothiodystrophy type F · Trichothiodystrophy-sun sensitivity syndrome

ORPHA:670

Piebald trait-neurologic defects syndrome

Telfer-Sugar-Jaeger syndrome

ORPHA:2885

Piebaldism

ORPHA:2884

Piepkorn dysplasia

Short ribs-craniosynostosis-polysyndactyly syndrome

ORPHA:156723

Pierpont syndrome

Plantar lipomatosis-facial dysmorphism-developmental delay syndrome · Plantar lipomatosis-unusual facies-developmental delay syndrome

ORPHA:487825

Pierre Robin syndrome associated with a chromosomal anomaly

Pierre Robin sequence associated with a chromosomal anomaly

ORPHA:138047

Pierre Robin syndrome associated with bone disease

Pierre Robin sequence associated with bone disease

ORPHA:138055

Pierre Robin syndrome associated with branchial archs anomalies

Pierre Robin sequence associated with branchial archs anomalies

ORPHA:138050

Pierre Robin syndrome associated with collagen disease

Pierre Robin sequence associated with collagen disease

ORPHA:138041

Pierre Robin syndrome-faciodigital anomaly syndrome

Chitayat-Meunier-Hodgkinson syndrome · Pierre Robin sequence-faciodigital anomaly syndrome

ORPHA:2888

Pierson syndrome

Microcoria-congenital nephrosis syndrome

ORPHA:2670

PIEZO1-related generalized lymphatic dysplasia with non-immune hydrops fetalis

PIEZO1-related LRHF/GLD · PIEZO1-related generalized lymphatic dysplasia with systemic involvement

ORPHA:568062

Pigmentation anomaly of the skin

ORPHA:79374

Pigmentation defects-palmoplantar keratoderma-skin carcinoma syndrome

ORPHA:447961

Pigmented hypertrichosis with insulin-dependent diabetes mellitus syndrome

PHID

ORPHA:254723

Pigmented paravenous retinochoroidal atrophy

PPRCA

ORPHA:251295

PIK3CA-related overgrowth syndrome

PROS

ORPHA:530313

Pili bifurcati

ORPHA:720

Pili gemini

Pili multigemini

ORPHA:79492

Pili torti

Twisted hair

ORPHA:2889

Pili torti-developmental delay-neurological abnormalities syndrome

ORPHA:2891

Pili torti-onychodysplasia syndrome

ORPHA:2890

Pilocytic astrocytoma

ORPHA:251612

Pilocytic astrocytoma with histological features of anaplasia

Anaplastic pilocytic astrocytoma

ORPHA:673585

Pilodental dysplasia-refractive errors syndrome

Euhidrotic ectodermal dysplasia · Kopysc-Barczyk-Krol syndrome

ORPHA:2892

Pilomatrix carcinoma

Calcified epithelial carcinoma of Malherbe · Calcifying epitheliocarcinoma

ORPHA:499182

Pilomatrixoma

Epithelioma calcificans of Malherbe · Pilomatricoma

ORPHA:91414

Pilomyxoid astrocytoma

ORPHA:251615

Pineal parenchymal tumor of intermediate differentiation

ORPHA:251919

Pineal tumor of neuroepithelial tissue

ORPHA:251905

Pineoblastoma

ORPHA:251909

Pineocytoma

ORPHA:251912

Pinnae and external auditory canal anomaly

ORPHA:156243

Pinnae fistula or cyst

ORPHA:155838

Pinsky-Di George-Harley syndrome

Microphthalmia-intellectual disability syndrome

ORPHA:2895

Pipecolic acidemia

Hyperpipecolatemia

ORPHA:34

Pitt-Hopkins syndrome

ORPHA:2896

Pitt-Rogers-Danks syndrome

Intellectual disability-dysmorphism-intrauterine growth retardation syndrome

ORPHA:98788

Pituicytoma

ORPHA:251623

Pituitary adenoma

ORPHA:99408

Pituitary apoplexy

Pituitary tumor apoplexy

ORPHA:95613

Pituitary carcinoma

ORPHA:300385