Parent term(s)
Term with siblings
Prader-Willi syndrome

3MC syndrome +
Aagenaes syndrome
abdominal obesity-metabolic syndrome +
ablepharon macrostomia syndrome
Achard syndrome
acrocallosal syndrome
acrorenal syndrome
Adams-Oliver syndrome
Adie syndrome
Aicardi syndrome
Angelman syndrome
anterior spinal artery syndrome
ARC syndrome +
Baraitser-Winter syndrome
Barber-Say syndrome
Barre-Lieou syndrome
basilar artery insufficiency
Beckwith-Wiedemann syndrome
Beemer-Langer syndrome
blepharocheilodontic syndrome +
branchiootic syndrome
Bruck syndrome
cardiofaciocutaneous syndrome
Carey-Fineman-Ziter syndrome
Carney-Stratakis syndrome
Cauda equina syndrome
CHARGE syndrome
chondrodysplasia punctata +
chondrodysplasia-pseudohermaphroditism syndrome
chromosomal deletion syndrome +
chromosomal duplication syndrome +
chronic atrial and intestinal dysrhythmia
chronic fatigue syndrome
ciliopathy +
CLOVES syndrome
cocoon syndrome
Coffin-Siris syndrome +
cold-induced sweating syndrome +
Cornelia de Lange syndrome +
CREST syndrome
Culler-Jones syndrome
diffuse infiltrative lymphocytosis syndrome
Down syndrome
Dubowitz syndrome
EAST syndrome
ectodermal dysplasia +
Edwards syndrome
endocrine-cerebro-osteodysplasia syndrome
Fanconi-like syndrome
Felty's syndrome
fetal valproate syndrome
fibrogenesis imperfecta ossium
Fuchs' heterochromic uveitis
Gamstorp-Wohlfart syndrome
Goldberg-Shprintzen syndrome
Goldenhar syndrome
Gorham's disease
Hallermann-Streiff syndrome
hereditary breast ovarian cancer syndrome
Holzgreve-Wagner-Rehder Syndrome
hypotonia-cystinuria syndrome
IMAGe syndrome
inclusion body myopathy with Paget disease of bone and frontotemporal dementia
irritable bowel syndrome
Kabuki syndrome
KBG syndrome
Kleefstra syndrome
Klinefelter's syndrome
Klippel-Trenaunay syndrome
Koolen de Vries syndrome
lethal congenital contracture syndrome +
Lown-Ganong-Levine syndrome
Maffucci syndrome
mandibulofacial dysostosis with alopecia
Marshall-Smith syndrome
median arcuate ligament syndrome
MEDNIK syndrome
megacystis-microcolon-intestinal hypoperistalsis syndrome
Meier-Gorlin syndrome +
microcephaly and chorioretinopathy 1
microcephaly and chorioretinopathy 2
microcephaly and chorioretinopathy 3
microcephaly with or without chorioretinopathy, lymphedema, or mental retardation
Miller-Dieker lissencephaly syndrome
mosaic variegated aneuploidy syndrome 1
mosaic variegated aneuploidy syndrome 2
Mowat-Wilson syndrome
multicentric reticulohistiocytosis
multinucleated neurons, anhydramnios, renal dysplasia, cerebellar hypoplasia and hydranencephaly
multiple chemical sensitivity
multiple pterygium syndrome
N syndrome
Noonan syndrome +
oculoauricular syndrome
oculodentodigital dysplasia
Ohdo syndrome +
Ollier disease
orofaciodigital syndrome +
palindromic rheumatism
Pallister-Hall syndrome
PAPA syndrome
Patau syndrome
Perlman syndrome
Perry syndrome
persian gulf syndrome
Peters plus syndrome
Pitt-Hopkins syndrome
polycystic ovary syndrome
post-cardiac arrest syndrome
primary hypertrophic osteoarthropathy
prune belly syndrome
psoriatic arthritis
PTEN hamartoma tumor syndrome
Qazi Markouizos syndrome
Reye syndrome
Ritscher-Schinzel syndrome +
Robinow syndrome +
Saldino-Noonan syndrome
SAPHO syndrome
Shwachman-Diamond syndrome
Silver-Russell syndrome
subclavian steal syndrome
sudden infant death syndrome
Sweeney-Cox syndrome
Takayasu's arteritis
Tietz syndrome
Tietze's syndrome
tooth and nail syndrome
ulnar-mammary syndrome
Usher syndrome +
VACTERL association
Van der Woude syndrome
Van Maldergem syndrome +
vertebral artery insufficiency
Warsaw breakage syndrome
Wissler's syndrome
Wolfram syndrome +
XFE progeroid syndrome
yellow nail syndrome
Yunis-Varon syndrome
Zika virus congenital syndrome
Zollinger-Ellison syndrome
Child term(s)

is-a denotes an 'is-a' relationship