Human Phenotype Ontology 
Grandparent Node:
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Abnormal digit morphology (HP:0011297)help
Grandparent Node:
expand
Abnormal foot morphology (HP:0001760)help
Parent Node:
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Abnormality of toe (HP:0001780)help
..Starting node
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Hammertoe (HP:0001765)help
Term ID: 1765
Name: Hammertoe
Synonym: Hammer toe; Hammertoe; Hammertoes
Definition: Hyperextension of the metatarsal-phalangeal joint with hyperflexion of the proximal interphalangeal (PIP) joint.
Comments:
Reference: HP:0001765
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandAbnormality of the 2nd toe (HP:0010319) help
..expandAbnormality of the 3rd toe (HP:0010320) help
..expandAbnormality of the 4th toe (HP:0010321) help
..expandAbnormality of the 5th toe (HP:0010322) help
..expandAbnormality of the epiphyses of the toes (HP:0010160) help
..expandAbnormality of the hallux (HP:0001844) help
..expandAbnormality of the phalanges of the toes (HP:0010161) help
..expandAinhum (HP:0031009) help
..expandAplasia/Hypoplasia of toe (HP:0001991) help
..expandBroad toe (HP:0001837) help
..expandBulbous tips of toes (HP:0001782) help
..expandDeviation of toes (HP:0100498) help
..expandDislocation of toes (HP:0008141) help
..expandFlexion contracture of toe (HP:0005830) help
..expandFoot polydactyly (HP:0001829) help
..expandHypermobility of toe joints (HP:0010510) help
..expandLong toe (HP:0010511) help
..expandMacrodactyly of toe (HP:0100747) help
..expandOverlapping toe (HP:0001845) help
..expandSandal gap (HP:0001852) help
..expandSlender toe (HP:0011308) help
..expandSplayed toes (HP:0011307) help
..expandTapered toe (HP:0011309) help
..expandToe dactylitis (HP:0031091) help
..expandToe syndactyly (HP:0001770) help
..expandWidely spaced toes (HP:0008094) 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:0001765HP:0001765Hammertoe0AARS1 CL E G H1620OMIM:613287Charcot-Marie-Tooth disease, axonal, type 2N.
HP:0001765HP:0001765Hammertoe0AEBP1 CL E G H165303ORPHA:536532Classical-like Ehlers-Danlos syndrome type 2HP:0040281 - Very frequent
HP:0001765HP:0001765Hammertoe0AEBP1 CL E G H165303OMIM:618000Ehlers-Danlos syndrome, classic-like, 2
HP:0001765HP:0001765Hammertoe0BCOR CL E G H5488020893OMIM:300166Microphthalmia, syndromic 2101
HP:0001765HP:0001765Hammertoe0BCOR CL E G H5488020893ORPHA:2712Oculofaciocardiodental syndromeHP:0040282 - Frequent101
HP:0001765HP:0001765Hammertoe0BMPER CL E G H16866724154OMIM:608022DIAPHANOSPONDYLODYSOSTOSIS.78
HP:0001765HP:0001765Hammertoe0BSCL2 CL E G H2658015832ORPHA:139536Distal hereditary motor neuropathy type 5HP:0040283 - Occasional105
HP:0001765HP:0001765Hammertoe0CHCHD10 CL E G H40091615559OMIM:615048Spinal muscular atrophy, Jokela type.11
HP:0001765HP:0001765Hammertoe0CHP1 CL E G H1126117433OMIM:618438Spastic ataxia 9, autosomal recessive.
HP:0001765HP:0001765Hammertoe0COA7 CL E G H6526025716OMIM:618387Spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 3.
HP:0001765HP:0001765Hammertoe0DCAF8 CL E G H5071724891OMIM:610100Giant axonal neuropathy, autosomal dominant.2
HP:0001765HP:0001765Hammertoe0DHCR7 CL E G H17172860OMIM:270400Smith-Lemli-Opitz syndrome159
HP:0001765HP:0001765Hammertoe0EGR2 CL E G H19593239OMIM:145900Hypertrophic neuropathy of dejerine-sottas.58
HP:0001765HP:0001765Hammertoe0ESCO2 CL E G H15757027230ORPHA:2319Juberg-Hayward syndromeHP:0040282 - Frequent92
HP:0001765HP:0001765Hammertoe0FBN1 CL E G H22003603OMIM:154700Marfan syndrome.1361
HP:0001765HP:0001765Hammertoe0GARS1 CL E G H26174162OMIM:601472Charcot-Marie-Tooth disease, axonal, type 2D.
HP:0001765HP:0001765Hammertoe0GARS1 CL E G H26174162ORPHA:139536Distal hereditary motor neuropathy type 5HP:0040283 - Occasional
HP:0001765HP:0001765Hammertoe0GARS1 CL E G H26174162OMIM:600794Neuronopathy, distal hereditary motor, type VAHP:0040283 - Occasional
HP:0001765HP:0001765Hammertoe0GBF1 CL E G H87294181OMIM:606483Charcot-Marie-Tooth disease, dominant intermediate A
HP:0001765HP:0001765Hammertoe0GDAP1 CL E G H5433215968ORPHA:99948Charcot-Marie-Tooth disease type 4A108
HP:0001765HP:0001765Hammertoe0GDAP1 CL E G H5433215968OMIM:214400Charcot-Marie-Tooth disease, type 4A.108
HP:0001765HP:0001765Hammertoe0GNB4 CL E G H5934520731OMIM:615185Charcot-Marie-Tooth disease, dominant intermediate F.12
HP:0001765HP:0001765Hammertoe0HARS1 CL E G H30354816ORPHA:488333Autosomal dominant Charcot-Marie-Tooth disease type 2WHP:0040283 - Occasional
HP:0001765HP:0001765Hammertoe0HARS1 CL E G H30354816OMIM:616625Charcot-Marie-Tooth disease, axonal, type 2W
HP:0001765HP:0001765Hammertoe0HSD17B4 CL E G H32955213OMIM:261515D-bifunctional protein deficiency.98
HP:0001765HP:0001765Hammertoe0INF2 CL E G H6442323791OMIM:614455Charcot-Marie-Tooth disease, dominant intermediate E.135
HP:0001765HP:0001765Hammertoe0KAT6A CL E G H799413013OMIM:616268Arboleda-Tham syndrome34
HP:0001765HP:0001765Hammertoe0KIF1B CL E G H2309516636OMIM:118210Charcot-Marie-Tooth disease, axonal, type 2A1.202
HP:0001765HP:0001765Hammertoe0LMNA CL E G H40006636ORPHA:98856Charcot-Marie-Tooth disease type 2B1645
HP:0001765HP:0001765Hammertoe0LRSAM1 CL E G H9067825135OMIM:614436Charcot-Marie-Tooth disease, axonal, type 2PHP:0040283 - Occasional102
HP:0001765HP:0001765Hammertoe0MFN2 CL E G H992716877OMIM:609260Charcot-marie-tooth disease, axonal, type 2A2A.203
HP:0001765HP:0001765Hammertoe0MORC2 CL E G H2288023573OMIM:619090DEVELOPMENTAL DELAY, IMPAIRED GROWTH, DYSMORPHIC FACIES, AND AXONAL NEUROPATHY; DIGFAN8
HP:0001765HP:0001765Hammertoe0MPV17 CL E G H43587224OMIM:618400Charcot-Marie-Tooth disease, axonal, type 2EE.56
HP:0001765HP:0001765Hammertoe0MPZ CL E G H43597225OMIM:118200Charcot-Marie-Tooth disease, demyelinating, type 1B.134
HP:0001765HP:0001765Hammertoe0MPZ CL E G H43597225OMIM:145900Hypertrophic neuropathy of dejerine-sottas.134
HP:0001765HP:0001765Hammertoe0MPZ CL E G H43597225OMIM:180800Roussy-Levy hereditary areflexic dystasia.134
HP:0001765HP:0001765Hammertoe0MYH8 CL E G H46267578OMIM:158300Arthrogryposis, distal, type 7.93
HP:0001765HP:0001765Hammertoe0NDRG1 CL E G H103977679ORPHA:99950Charcot-Marie-Tooth disease type 4DHP:0040283 - Occasional82
HP:0001765HP:0001765Hammertoe0NEFL CL E G H47477739OMIM:607684Charcot-Marie-Tooth disease, axonal, type 2E.118
HP:0001765HP:0001765Hammertoe0NRCAM CL E G H48977994OMIM:6198332
HP:0001765HP:0001765Hammertoe0PDXK CL E G H85668819OMIM:618511Neuropathy, hereditary motor and sensory, type VIC, with optic atrophy.
HP:0001765HP:0001765Hammertoe0PEX7 CL E G H51918860ORPHA:773Refsum diseaseHP:0040282 - Frequent72
HP:0001765HP:0001765Hammertoe0PHYH CL E G H52648940ORPHA:773Refsum diseaseHP:0040282 - Frequent45
HP:0001765HP:0001765Hammertoe0PLEKHG5 CL E G H5744929105OMIM:615376Charcot-Marie-Tooth disease, recessive intermediate C.186
HP:0001765HP:0001765Hammertoe0PMP2 CL E G H53759117OMIM:618279Charcot-Marie-Tooth disease, demyelinating, type 1G1
HP:0001765HP:0001765Hammertoe0PMP22 CL E G H53769118OMIM:118300Charcot-Marie-Tooth disease and deafness.79
HP:0001765HP:0001765Hammertoe0PMP22 CL E G H53769118ORPHA:90658Charcot-Marie-Tooth disease type 1EHP:0040283 - Occasional79
HP:0001765HP:0001765Hammertoe0PMP22 CL E G H53769118OMIM:118220Charcot-Marie-Tooth disease, demyelinating, type 1A.79
HP:0001765HP:0001765Hammertoe0PMP22 CL E G H53769118OMIM:145900Hypertrophic neuropathy of dejerine-sottas.79
HP:0001765HP:0001765Hammertoe0PMP22 CL E G H53769118OMIM:180800Roussy-Levy hereditary areflexic dystasia.79
HP:0001765HP:0001765Hammertoe0PRX CL E G H5771613797OMIM:145900Hypertrophic neuropathy of dejerine-sottas.170
HP:0001765HP:0001765Hammertoe0RAB7A CL E G H78799788OMIM:600882Charcot-Marie-Tooth disease, axonal, type 2B.50
HP:0001765HP:0001765Hammertoe0REEP1 CL E G H6505525786ORPHA:139536Distal hereditary motor neuropathy type 5HP:0040283 - Occasional87
HP:0001765HP:0001765Hammertoe0SACS CL E G H2627810519OMIM:270550Spastic ataxia, Charlevoix-Saguenay type.309
HP:0001765HP:0001765Hammertoe0SBF2 CL E G H818462135OMIM:604563Charcot-Marie-Tooth disease, type 4B2.180
HP:0001765HP:0001765Hammertoe0SH3TC2 CL E G H7962829427ORPHA:99949Charcot-Marie-Tooth disease type 4CHP:0040283 - Occasional493
HP:0001765HP:0001765Hammertoe0SH3TC2 CL E G H7962829427OMIM:601596Charcot-Marie-Tooth disease, type 4C493
HP:0001765HP:0001765Hammertoe0SIGMAR1 CL E G H102808157OMIM:605726Spinal muscular atrophy, distal, autosomal recessive, 2.6
HP:0001765HP:0001765Hammertoe0SLC35A3 CL E G H2344311023ORPHA:370943Autism spectrum disorder-epilepsy-arthrogryposis syndromeHP:0040283 - Occasional2
HP:0001765HP:0001765Hammertoe0SPART CL E G H2311118514OMIM:275900Spastic paraplegia 20, autosomal recessive.66
HP:0001765HP:0001765Hammertoe0SYT2 CL E G H12783311510OMIM:616040Myasthenic syndrome, congenital, 7, presynaptic.4
HP:0001765HP:0001765Hammertoe0TOR1A CL E G H18613098OMIM:618947ARTHROGRYPOSIS MULTIPLEX CONGENITA 5; AMC547
HP:0001765HP:0001765Hammertoe0TRPV4 CL E G H5934118083OMIM:606071Hereditary motor and sensory neuropathy, type IIC.214
HP:0001765HP:0001765Hammertoe0VCP CL E G H741512666ORPHA:435387Autosomal dominant Charcot-Marie-Tooth disease type 2YHP:0040283 - Occasional63
HP:0001765HP:0001765Hammertoe0VCP CL E G H741512666OMIM:616687Charcot-Marie-Tooth disease, axonal, type 2Y.63


Genes (51) :AARS1 AEBP1 BCOR BMPER BSCL2 CHCHD10 CHP1 COA7 DCAF8 DHCR7 EGR2 ESCO2 FBN1 GARS1 GBF1 GDAP1 GNB4 HARS1 HSD17B4 INF2 KAT6A KIF1B LMNA LRSAM1 MFN2 MORC2 MPV17 MPZ MYH8 NDRG1 NEFL NRCAM PDXK PEX7 PHYH PLEKHG5 PMP2 PMP22 PRX RAB7A REEP1 SACS SBF2 SH3TC2 SIGMAR1 SLC35A3 SPART SYT2 TOR1A TRPV4 VCP

Diseases (58) :OMIM:613287 ORPHA:536532 OMIM:618000 OMIM:300166 ORPHA:2712 OMIM:608022 ORPHA:139536 OMIM:615048 OMIM:618438 OMIM:618387 OMIM:610100 OMIM:270400 OMIM:145900 ORPHA:2319 OMIM:154700 OMIM:601472 OMIM:600794 OMIM:606483 ORPHA:99948 OMIM:214400 OMIM:615185 ORPHA:488333 OMIM:616625 OMIM:261515 OMIM:614455 OMIM:616268 OMIM:118210 ORPHA:98856 OMIM:614436 OMIM:609260 OMIM:619090 OMIM:618400 OMIM:118200 OMIM:180800 OMIM:158300 ORPHA:99950 OMIM:607684 OMIM:619833 OMIM:618511 ORPHA:773 OMIM:615376 OMIM:618279 OMIM:118300 ORPHA:90658 OMIM:118220 OMIM:600882 OMIM:270550 OMIM:604563 ORPHA:99949 OMIM:601596 OMIM:605726 ORPHA:370943 OMIM:275900 OMIM:616040 OMIM:618947 OMIM:606071 ORPHA:435387 OMIM:616687
 

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