Human Phenotype Ontology 
Grandparent Node:
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Abnormal stomach morphology (HP:0002577)help
Parent Node:
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Abnormality of the pylorus (HP:0004400)help
..Starting node
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Pyloric stenosis (HP:0002021)help
Term ID: 2021
Name: Pyloric stenosis
Synonym: Infantile hypertrophic pyloric stenosis; Pylorus stenosis
Definition: Pyloric stenosis, also known as infantile hypertrophic pyloric stenosis, is an uncommon condition in infants characterized by abnormal thickening of the pylorus muscles in the stomach leading to gastric outlet obstruction. Clinically infants are well at birth. Then, at 3 to 6 weeks of age, the infants present with projectile vomiting, potentially leading to dehydration and weight loss.
Comments:
Reference: HP:0002021
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandCongenital pyloric atresia (HP:0004399) help
InputHPO IDHPO termDistanceGeneGene id entrezHGNC IDDiseaseIdDiseaseNameFrequencyOnsetHGMD variantsClinVar variants
 
HPO disease - gene - phenotype typical associations:
 
HPO disease - gene - phenotype less frequent non-typical associations:
HP:0002021HP:0002021Pyloric stenosis0ADAMTS3 CL E G H9508219ORPHA:2136Hennekam syndromeHP:0040283 - Occasional1
HP:0002021HP:0002021Pyloric stenosis0ARF1 CL E G H375652ORPHA:98892Periventricular nodular heterotopiaHP:0040281 - Very frequent
HP:0002021HP:0002021Pyloric stenosis0ARFGEF2 CL E G H1056415853ORPHA:98892Periventricular nodular heterotopiaHP:0040281 - Very frequent179
HP:0002021HP:0002021Pyloric stenosis0BCOR CL E G H5488020893OMIM:309800Microphthalmia, syndromic 1.101
HP:0002021HP:0002021Pyloric stenosis0BCR CL E G H6131014ORPHA:261330Distal 22q11.2 microdeletion syndromeHP:0040283 - Occasional5
HP:0002021HP:0002021Pyloric stenosis0BIN1 CL E G H2741052ORPHA:169189Autosomal dominant centronuclear myopathyHP:0040283 - Occasional99
HP:0002021HP:0002021Pyloric stenosis0BRD4 CL E G H2347613575ORPHA:199Cornelia de Lange syndromeHP:0040283 - Occasional
HP:0002021HP:0002021Pyloric stenosis0CASZ1 CL E G H5489726002ORPHA:16061p36 deletion syndromeHP:0040283 - Occasional3
HP:0002021HP:0002021Pyloric stenosis0CAVIN1 CL E G H2841199688OMIM:613327Lipodystrophy, congenital generalized, type 4.48
HP:0002021HP:0002021Pyloric stenosis0CCBE1 CL E G H14737229426ORPHA:2136Hennekam syndromeHP:0040283 - Occasional147
HP:0002021HP:0002021Pyloric stenosis0COL18A1 CL E G H807812195ORPHA:1571Knobloch syndromeHP:0040283 - Occasional177
HP:0002021HP:0002021Pyloric stenosis0COL18A1 CL E G H807812195OMIM:267750Knobloch syndrome 1177
HP:0002021HP:0002021Pyloric stenosis0CRKL CL E G H13992363ORPHA:261330Distal 22q11.2 microdeletion syndromeHP:0040283 - Occasional
HP:0002021HP:0002021Pyloric stenosis0CYBA CL E G H15352577ORPHA:379Chronic granulomatous diseaseHP:0040281 - Very frequent27
HP:0002021HP:0002021Pyloric stenosis0CYBB CL E G H15362578ORPHA:379Chronic granulomatous diseaseHP:0040281 - Very frequent111
HP:0002021HP:0002021Pyloric stenosis0CYBC1 CL E G H7941528672ORPHA:379Chronic granulomatous diseaseHP:0040281 - Very frequent
HP:0002021HP:0002021Pyloric stenosis0DHCR7 CL E G H17172860OMIM:270400Smith-Lemli-Opitz syndrome159
HP:0002021HP:0002021Pyloric stenosis0DHCR7 CL E G H17172860ORPHA:818Smith-Lemli-Opitz syndromeHP:0040283 - Occasional159
HP:0002021HP:0002021Pyloric stenosis0DHODH CL E G H17232867OMIM:263750Postaxial acrofacial dysostosis.59
HP:0002021HP:0002021Pyloric stenosis0DLK1 CL E G H87882907ORPHA:96184Temple syndrome due to maternal uniparental disomy of chromosome 14HP:0040283 - Occasional1
HP:0002021HP:0002021Pyloric stenosis0DNM2 CL E G H17852974ORPHA:169189Autosomal dominant centronuclear myopathyHP:0040283 - Occasional167
HP:0002021HP:0002021Pyloric stenosis0DYRK1A CL E G H18593091ORPHA:268261DYRK1A-related intellectual disability syndrome due to 21q22.13q22.2 microdeletionHP:0040283 - Occasional134
HP:0002021HP:0002021Pyloric stenosis0EFEMP2 CL E G H300083219ORPHA:90349Autosomal recessive cutis laxa type 1HP:0040283 - Occasional45
HP:0002021HP:0002021Pyloric stenosis0ERMARD CL E G H5578021056ORPHA:98892Periventricular nodular heterotopiaHP:0040281 - Very frequent36
HP:0002021HP:0002021Pyloric stenosis0FAT4 CL E G H7963323109ORPHA:2136Hennekam syndromeHP:0040283 - Occasional114
HP:0002021HP:0002021Pyloric stenosis0FBLN5 CL E G H105163602ORPHA:90349Autosomal recessive cutis laxa type 1HP:0040283 - Occasional63
HP:0002021HP:0002021Pyloric stenosis0FGFR2 CL E G H22633689OMIM:101200Apert syndrome.175
HP:0002021HP:0002021Pyloric stenosis0FIG4 CL E G H989616873ORPHA:3472Yunis-Varon syndromeHP:0040283 - Occasional111
HP:0002021HP:0002021Pyloric stenosis0FIG4 CL E G H989616873OMIM:216340Yunis-Varon syndrome.111
HP:0002021HP:0002021Pyloric stenosis0FLI1 CL E G H23133749ORPHA:2308Jacobsen syndromeHP:0040283 - Occasional8
HP:0002021HP:0002021Pyloric stenosis0FLNA CL E G H23163754OMIM:300048Intestinal pseudoobstruction, neuronal, chronic idiopathic, X-linkedHP:0040283 - Occasional493
HP:0002021HP:0002021Pyloric stenosis0FLNA CL E G H23163754ORPHA:98892Periventricular nodular heterotopiaHP:0040281 - Very frequent493
HP:0002021HP:0002021Pyloric stenosis0GABRD CL E G H25634084ORPHA:16061p36 deletion syndromeHP:0040283 - Occasional10
HP:0002021HP:0002021Pyloric stenosis0GTF2H5 CL E G H40467221157OMIM:616395Trichothiodystrophy 3, photosensitive3
HP:0002021HP:0002021Pyloric stenosis0HDAC4 CL E G H975914063ORPHA:10012q37 microdeletion syndromeHP:0040283 - Occasional33
HP:0002021HP:0002021Pyloric stenosis0HDAC8 CL E G H5586913315ORPHA:199Cornelia de Lange syndromeHP:0040283 - Occasional37
HP:0002021HP:0002021Pyloric stenosis0HNF1B CL E G H692811630ORPHA:93111HNF1B-related autosomal dominant tubulointerstitial kidney diseaseHP:0040283 - Occasional90
HP:0002021HP:0002021Pyloric stenosis0HRAS CL E G H32655173OMIM:218040Costello syndrome.113
HP:0002021HP:0002021Pyloric stenosis0HSPG2 CL E G H33395273ORPHA:16061p36 deletion syndromeHP:0040283 - Occasional345
HP:0002021HP:0002021Pyloric stenosis0KANSL1 CL E G H28405824565OMIM:610443Koolen-De Vries syndrome283
HP:0002021HP:0002021Pyloric stenosis0KCNAB2 CL E G H85146229ORPHA:16061p36 deletion syndromeHP:0040283 - Occasional1
HP:0002021HP:0002021Pyloric stenosis0LAMA3 CL E G H39096483OMIM:226700Epidermolysis bullosa, junctional, Herlitz type.116
HP:0002021HP:0002021Pyloric stenosis0LAMB3 CL E G H39146490OMIM:226700Epidermolysis bullosa, junctional, Herlitz type.167
HP:0002021HP:0002021Pyloric stenosis0LAMC2 CL E G H39186493OMIM:226700Epidermolysis bullosa, junctional, Herlitz type.135
HP:0002021HP:0002021Pyloric stenosis0LTBP1 CL E G H40526714ORPHA:90349Autosomal recessive cutis laxa type 1HP:0040283 - Occasional
HP:0002021HP:0002021Pyloric stenosis0LTBP4 CL E G H84256717OMIM:613177Cutis laxa, autosomal recessive, type IC.92
HP:0002021HP:0002021Pyloric stenosis0LUZP1 CL E G H779814985ORPHA:16061p36 deletion syndromeHP:0040283 - Occasional
HP:0002021HP:0002021Pyloric stenosis0MAP1B CL E G H41316836ORPHA:98892Periventricular nodular heterotopiaHP:0040281 - Very frequent
HP:0002021HP:0002021Pyloric stenosis0MAP3K7 CL E G H68856859OMIM:617137Frontometaphyseal dysplasia 2HP:0040283 - Occasional11
HP:0002021HP:0002021Pyloric stenosis0MAPK1 CL E G H55946871ORPHA:261330Distal 22q11.2 microdeletion syndromeHP:0040283 - Occasional2
HP:0002021HP:0002021Pyloric stenosis0MED12 CL E G H996811957ORPHA:93932FG syndrome type 1HP:0040282 - Frequent228
HP:0002021HP:0002021Pyloric stenosis0MED12 CL E G H996811957OMIM:305450Opitz-Kaveggia syndrome.228
HP:0002021HP:0002021Pyloric stenosis0MEG3 CL E G H5538414575ORPHA:96184Temple syndrome due to maternal uniparental disomy of chromosome 14HP:0040283 - Occasional1
HP:0002021HP:0002021Pyloric stenosis0MMP23B CL E G H85107171ORPHA:16061p36 deletion syndromeHP:0040283 - Occasional
HP:0002021HP:0002021Pyloric stenosis0MTM1 CL E G H45347448OMIM:310400Myopathy, centronuclear, X-linked.185
HP:0002021HP:0002021Pyloric stenosis0MTMR14 CL E G H6441926190ORPHA:169189Autosomal dominant centronuclear myopathyHP:0040283 - Occasional7
HP:0002021HP:0002021Pyloric stenosis0MYF6 CL E G H46187566ORPHA:169189Autosomal dominant centronuclear myopathyHP:0040283 - Occasional19
HP:0002021HP:0002021Pyloric stenosis0NAA10 CL E G H826018704OMIM:309800Microphthalmia, syndromic 1.23
HP:0002021HP:0002021Pyloric stenosis0NCF1 CL E G H6533617660ORPHA:379Chronic granulomatous diseaseHP:0040281 - Very frequent13
HP:0002021HP:0002021Pyloric stenosis0NCF2 CL E G H46887661ORPHA:379Chronic granulomatous diseaseHP:0040281 - Very frequent67
HP:0002021HP:0002021Pyloric stenosis0NCF4 CL E G H46897662ORPHA:379Chronic granulomatous diseaseHP:0040281 - Very frequent37
HP:0002021HP:0002021Pyloric stenosis0NEDD4L CL E G H233277728ORPHA:98892Periventricular nodular heterotopiaHP:0040281 - Very frequent30
HP:0002021HP:0002021Pyloric stenosis0NEFH CL E G H47447737OMIM:616924Charcot-Marie-Tooth disease, axonal, type 2CC24
HP:0002021HP:0002021Pyloric stenosis0NEK9 CL E G H9175418591OMIM:614262Arthrogryposis, perthes disease, and upward gaze palsy.9
HP:0002021HP:0002021Pyloric stenosis0NFIX CL E G H47847788OMIM:602535Marshall-Smith syndrome40
HP:0002021HP:0002021Pyloric stenosis0NFKB2 CL E G H47917795OMIM:615577Immunodeficiency, common variable, 1011
HP:0002021HP:0002021Pyloric stenosis0NIPBL CL E G H2583628862ORPHA:199Cornelia de Lange syndromeHP:0040283 - Occasional494
HP:0002021HP:0002021Pyloric stenosis0NIPBL CL E G H2583628862OMIM:122470Cornelia de Lange syndrome 1.494
HP:0002021HP:0002021Pyloric stenosis0NPHS1 CL E G H48687908OMIM:256300Nephrotic syndrome, type 1.241
HP:0002021HP:0002021Pyloric stenosis0OTC CL E G H50098512ORPHA:664Ornithine transcarbamylase deficiencyHP:0040281 - Very frequent369
HP:0002021HP:0002021Pyloric stenosis0PAK2 CL E G H50628591OMIM:618458
HP:0002021HP:0002021Pyloric stenosis0PAK2 CL E G H50628591ORPHA:1571Knobloch syndromeHP:0040283 - Occasional
HP:0002021HP:0002021Pyloric stenosis0PDPN CL E G H1063029602ORPHA:16061p36 deletion syndromeHP:0040283 - Occasional
HP:0002021HP:0002021Pyloric stenosis0PEX1 CL E G H51898850ORPHA:912Zellweger syndromeHP:0040282 - Frequent169
HP:0002021HP:0002021Pyloric stenosis0PEX10 CL E G H51928851ORPHA:912Zellweger syndromeHP:0040282 - Frequent75
HP:0002021HP:0002021Pyloric stenosis0PEX11B CL E G H87998853ORPHA:912Zellweger syndromeHP:0040282 - Frequent4
HP:0002021HP:0002021Pyloric stenosis0PEX12 CL E G H51938854ORPHA:912Zellweger syndromeHP:0040282 - Frequent65
HP:0002021HP:0002021Pyloric stenosis0PEX13 CL E G H51948855ORPHA:912Zellweger syndromeHP:0040282 - Frequent66
HP:0002021HP:0002021Pyloric stenosis0PEX14 CL E G H51958856ORPHA:912Zellweger syndromeHP:0040282 - Frequent46
HP:0002021HP:0002021Pyloric stenosis0PEX16 CL E G H94098857ORPHA:912Zellweger syndromeHP:0040282 - Frequent59
HP:0002021HP:0002021Pyloric stenosis0PEX19 CL E G H58249713ORPHA:912Zellweger syndromeHP:0040282 - Frequent62
HP:0002021HP:0002021Pyloric stenosis0PEX2 CL E G H58289717ORPHA:912Zellweger syndromeHP:0040282 - Frequent82
HP:0002021HP:0002021Pyloric stenosis0PEX26 CL E G H5567022965ORPHA:912Zellweger syndromeHP:0040282 - Frequent106
HP:0002021HP:0002021Pyloric stenosis0PEX3 CL E G H85048858ORPHA:912Zellweger syndromeHP:0040282 - Frequent47
HP:0002021HP:0002021Pyloric stenosis0PEX5 CL E G H58309719ORPHA:912Zellweger syndromeHP:0040282 - Frequent99
HP:0002021HP:0002021Pyloric stenosis0PEX6 CL E G H51908859ORPHA:912Zellweger syndromeHP:0040282 - Frequent98
HP:0002021HP:0002021Pyloric stenosis0PIEZO2 CL E G H6389526270ORPHA:2461Marden-Walker syndromeHP:0040283 - Occasional77
HP:0002021HP:0002021Pyloric stenosis0PIEZO2 CL E G H6389526270OMIM:248700Marden-Walker syndrome.77
HP:0002021HP:0002021Pyloric stenosis0PPP2R3C CL E G H5501217485OMIM:618419Gonadal dysgenesis, dysmorphic facies, retinal dystrophy, and myopathy.
HP:0002021HP:0002021Pyloric stenosis0PPP2R5D CL E G H55289312ORPHA:457279Intellectual disability-macrocephaly-hypotonia-behavioral abnormalities syndromeHP:0040284 - Very rare10
HP:0002021HP:0002021Pyloric stenosis0PPP2R5D CL E G H55289312OMIM:616355Mental retardation, autosomal dominant 35.10
HP:0002021HP:0002021Pyloric stenosis0PRDM16 CL E G H6397614000ORPHA:16061p36 deletion syndromeHP:0040283 - Occasional148
HP:0002021HP:0002021Pyloric stenosis0PRKCZ CL E G H55909412ORPHA:16061p36 deletion syndromeHP:0040283 - Occasional
HP:0002021HP:0002021Pyloric stenosis0PYCR1 CL E G H58319721OMIM:614438Cutis laxa, autosomal recessive, type IIIB53
HP:0002021HP:0002021Pyloric stenosis0RAD21 CL E G H58859811ORPHA:199Cornelia de Lange syndromeHP:0040283 - Occasional25
HP:0002021HP:0002021Pyloric stenosis0RERE CL E G H4739965ORPHA:16061p36 deletion syndromeHP:0040283 - Occasional16
HP:0002021HP:0002021Pyloric stenosis0RTL1 CL E G H38801514665ORPHA:96184Temple syndrome due to maternal uniparental disomy of chromosome 14HP:0040283 - Occasional
HP:0002021HP:0002021Pyloric stenosis0RYR1 CL E G H626110483ORPHA:169189Autosomal dominant centronuclear myopathyHP:0040283 - Occasional1200
HP:0002021HP:0002021Pyloric stenosis0SERPINH1 CL E G H8711546OMIM:613848Osteogenesis imperfecta, type X.52
HP:0002021HP:0002021Pyloric stenosis0SH2B1 CL E G H2597030417ORPHA:261197Proximal 16p11.2 microdeletion syndromeHP:0040284 - Very rare
HP:0002021HP:0002021Pyloric stenosis0SKI CL E G H649710896ORPHA:16061p36 deletion syndromeHP:0040283 - Occasional150
HP:0002021HP:0002021Pyloric stenosis0SLC2A10 CL E G H8103113444ORPHA:3342Arterial tortuosity syndromeHP:0040283 - Occasional178
HP:0002021HP:0002021Pyloric stenosis0SMC1A CL E G H824311111ORPHA:199Cornelia de Lange syndromeHP:0040283 - Occasional135
HP:0002021HP:0002021Pyloric stenosis0SMC3 CL E G H91262468ORPHA:199Cornelia de Lange syndromeHP:0040283 - Occasional91
HP:0002021HP:0002021Pyloric stenosis0SPEN CL E G H2301317575ORPHA:16061p36 deletion syndromeHP:0040283 - Occasional4
HP:0002021HP:0002021Pyloric stenosis0SYT2 CL E G H12783311510OMIM:619461MYASTHENIC SYNDROME, CONGENITAL, 7B, PRESYNAPTIC, AUTOSOMAL RECESSIVE; CMS7B4
HP:0002021HP:0002021Pyloric stenosis0TBX3 CL E G H692611602ORPHA:3138Ulnar-mammary syndromeHP:0040283 - Occasional100
HP:0002021HP:0002021Pyloric stenosis0TBX3 CL E G H692611602OMIM:181450Ulnar-Mammary syndrome.100
HP:0002021HP:0002021Pyloric stenosis0TFAP2A CL E G H702011742OMIM:113620Branchiooculofacial syndrome.12
HP:0002021HP:0002021Pyloric stenosis0TMTC3 CL E G H16041826899ORPHA:98892Periventricular nodular heterotopiaHP:0040281 - Very frequent5
HP:0002021HP:0002021Pyloric stenosis0UBE4B CL E G H1027712500ORPHA:16061p36 deletion syndromeHP:0040283 - Occasional
HP:0002021HP:0002021Pyloric stenosis0VAC14 CL E G H5569725507ORPHA:3472Yunis-Varon syndromeHP:0040283 - Occasional6
HP:0002021HP:0002021Pyloric stenosis0ZEB2 CL E G H983914881OMIM:235730Mowat-Wilson syndrome362
HP:0002021HP:0002021Pyloric stenosis0ZEB2 CL E G H983914881ORPHA:261552Mowat-Wilson syndrome due to a ZEB2 point mutationHP:0040283 - Occasional362
HP:0002021HP:0002021Pyloric stenosis0ZEB2 CL E G H983914881ORPHA:261537Mowat-Wilson syndrome due to monosomy 2q22HP:0040283 - Occasional362
HP:0002021HP:0002021Pyloric stenosis0ZNF699 CL E G H37487924750OMIM:619488DEGCAGS SYNDROME; DEGCAGS


Genes (104) :ADAMTS3 ARF1 ARFGEF2 BCOR BCR BIN1 BRD4 CASZ1 CAVIN1 CCBE1 COL18A1 CRKL CYBA CYBB CYBC1 DHCR7 DHODH DLK1 DNM2 DYRK1A EFEMP2 ERMARD FAT4 FBLN5 FGFR2 FIG4 FLI1 FLNA GABRD GTF2H5 HDAC4 HDAC8 HNF1B HRAS HSPG2 KANSL1 KCNAB2 LAMA3 LAMB3 LAMC2 LTBP1 LTBP4 LUZP1 MAP1B MAP3K7 MAPK1 MED12 MEG3 MMP23B MTM1 MTMR14 MYF6 NAA10 NCF1 NCF2 NCF4 NEDD4L NEFH NEK9 NFIX NFKB2 NIPBL NPHS1 OTC PAK2 PDPN PEX1 PEX10 PEX11B PEX12 PEX13 PEX14 PEX16 PEX19 PEX2 PEX26 PEX3 PEX5 PEX6 PIEZO2 PPP2R3C PPP2R5D PRDM16 PRKCZ PYCR1 RAD21 RERE RTL1 RYR1 SERPINH1 SH2B1 SKI SLC2A10 SMC1A SMC3 SPEN SYT2 TBX3 TFAP2A TMTC3 UBE4B VAC14 ZEB2 ZNF699

Diseases (59) :ORPHA:2136 ORPHA:98892 OMIM:309800 ORPHA:261330 ORPHA:169189 ORPHA:199 ORPHA:1606 OMIM:613327 ORPHA:1571 OMIM:267750 ORPHA:379 OMIM:270400 ORPHA:818 OMIM:263750 ORPHA:96184 ORPHA:268261 ORPHA:90349 OMIM:101200 ORPHA:3472 OMIM:216340 ORPHA:2308 OMIM:300048 OMIM:616395 ORPHA:1001 ORPHA:93111 OMIM:218040 OMIM:610443 OMIM:226700 OMIM:613177 OMIM:617137 ORPHA:93932 OMIM:305450 OMIM:310400 OMIM:616924 OMIM:614262 OMIM:602535 OMIM:615577 OMIM:122470 OMIM:256300 ORPHA:664 OMIM:618458 ORPHA:912 ORPHA:2461 OMIM:248700 OMIM:618419 ORPHA:457279 OMIM:616355 OMIM:614438 OMIM:613848 ORPHA:261197 ORPHA:3342 OMIM:619461 ORPHA:3138 OMIM:181450 OMIM:113620 OMIM:235730 ORPHA:261552 ORPHA:261537 OMIM:619488
 

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is December 15 2022 release.