Human Phenotype Ontology 
Grandparent Node:
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Abnormal lower limb bone morphology (HP:0040069)help
Grandparent Node:
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Aplasia/hypoplasia involving bones of the extremities (HP:0045060)help
Parent Node:
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Abnormal patella morphology (HP:0003045)help
Parent Node:
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Aplasia/hypoplasia involving bones of the lower limbs (HP:0006493)help
..Starting node
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Aplasia/Hypoplasia of the patella (HP:0006498)help
Term ID: 6498
Name: Aplasia/Hypoplasia of the patella
Synonym: Absent or hypoplastic patellae; Absent/hypoplastic patella; Absent/small kneecap; Absent/underdeveloped kneecap; Aplastic or hypoplastic patellae; Hypoplastic or absent patella; Patellar aplasia/hypoplasia; Small to absent patellae
Definition: Absence or underdevelopment of the patella.
Comments:
Reference: HP:0006498
Genes and Diseases:
 
       Child Nodes:
........expandPatellar hypoplasia (HP:0003065) help
........expandPatellar aplasia (HP:0006443) help

 Sister Nodes: 
..expandAcromelia of the lower limbs (HP:0010494) help
..expandAmelia involving the lower limbs (HP:0009818) help
..expandAplasia involving bones of the lower limbs (HP:0009817) help
..expandAplasia/Hypoplasia involving bones of the feet (HP:0006494) help
..expandAplasia/hypoplasia of the femur (HP:0005613) help
..expandAplasia/Hypoplasia of the fibula (HP:0006492) help
..expandAplasia/Hypoplasia of the tibia (HP:0005772) help
..expandLower limb phocomelia (HP:0009819) help
..expandLower limb undergrowth (HP:0009816) 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:0006498HP:0006498Aplasia/Hypoplasia of the patella0ANAPC1 CL E G H6468219988ORPHA:221008Rothmund-Thomson syndrome type 12
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0ARID1B CL E G H5749218040OMIM:135900Coffin-Siris syndrome 1.219
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0BHLHA9 CL E G H72785735126ORPHA:3329Tibial aplasia-ectrodactyly syndrome4
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0CDC45 CL E G H83181739ORPHA:2554Ear-patella-short stature syndrome9
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0CDC45 CL E G H83181739OMIM:617063Meier-Gorlin syndrome 7.9
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0CDC6 CL E G H9901744ORPHA:2554Ear-patella-short stature syndrome31
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0CDC6 CL E G H9901744OMIM:613805Meier-Gorlin syndrome 531
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0CDT1 CL E G H8162024576ORPHA:2554Ear-patella-short stature syndrome50
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0CDT1 CL E G H8162024576OMIM:613804Meier-Gorlin syndrome 450
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0CHRNG CL E G H11461967OMIM:265000Multiple pterygium syndrome, escobar variant68
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0DONSON CL E G H299802993OMIM:617604Microcephaly, short stature, and limb abnormalities9
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0ESCO2 CL E G H15757027230ORPHA:3103Roberts syndrome92
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0FKBP10 CL E G H6068118169ORPHA:1149Kuskokwim syndromeHP:0040281 - Very frequent61
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0GDF5 CL E G H82004220OMIM:200700Chondrodysplasia, Grebe type.52
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0GJB2 CL E G H27064284ORPHA:477KID syndrome199
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0GJB6 CL E G H108044288ORPHA:477KID syndrome56
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0GMNN CL E G H5105317493ORPHA:2554Ear-patella-short stature syndrome3
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0GMNN CL E G H5105317493OMIM:616835Meier-Gorlin syndrome 63
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0KAT6B CL E G H2352217582ORPHA:85201Genitopatellar syndrome141
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0KAT6B CL E G H2352217582OMIM:606170Genitopatellar syndrome141
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0LMBR1 CL E G H6432713243OMIM:135750Laurin-Sandrow syndrome106
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0LMBR1 CL E G H6432713243ORPHA:988Tibial hemimelia-polysyndactyly-triphalangeal thumb syndrome106
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0LMX1B CL E G H40106654ORPHA:4958189q33.3q34.11 microdeletion syndrome165
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0LMX1B CL E G H40106654ORPHA:2614Nail-patella syndrome165
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0LMX1B CL E G H40106654OMIM:161200Nail-Patella syndrome165
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0ORC1 CL E G H49988487ORPHA:2554Ear-patella-short stature syndrome53
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0ORC1 CL E G H49988487OMIM:224690Meier-Gorlin syndrome 1.53
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0ORC4 CL E G H50008490ORPHA:2554Ear-patella-short stature syndrome21
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0ORC4 CL E G H50008490OMIM:613800Meier-Gorlin syndrome 2HP:0040283 - Occasional21
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0ORC6 CL E G H2359417151ORPHA:2554Ear-patella-short stature syndrome39
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0ORC6 CL E G H2359417151OMIM:613803Meier-Gorlin syndrome 3.39
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0PITX1 CL E G H53079004OMIM:119800CLUBFOOT, CONGENITAL, WITH OR WITHOUT DEFICIENCY OF LONG BONES AND/OR MIRROR-IMAGE POLYDACTYLY; CCF8
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0PRMT7 CL E G H5449625557ORPHA:464288Short stature-brachydactyly-obesity-global developmental delay syndrome6
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0RBM8A CL E G H99399905OMIM:274000Thrombocytopenia-absent radius syndrome10
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0RBM8A CL E G H99399905ORPHA:3320Thrombocytopenia-absent radius syndromeHP:0040282 - Frequent10
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0RECQL4 CL E G H94019949ORPHA:1225Baller-Gerold syndromeHP:0040282 - Frequent445
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0RECQL4 CL E G H94019949OMIM:218600Baller-Gerold syndrome445
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0RECQL4 CL E G H94019949OMIM:266280Rapadilino syndrome.445
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0RECQL4 CL E G H94019949ORPHA:221016Rothmund-Thomson syndrome type 2445
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0SHH CL E G H646910848ORPHA:988Tibial hemimelia-polysyndactyly-triphalangeal thumb syndrome67
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0SHOX CL E G H647310853ORPHA:240Léri-Weill dyschondrosteosis66
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0SOX9 CL E G H666211204OMIM:114290Campomelic dysplasia109
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0STXBP1 CL E G H681211444ORPHA:4958189q33.3q34.11 microdeletion syndrome237
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0TBX4 CL E G H949611603ORPHA:26127917q23.1q23.2 microdeletion syndrome55
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0TBX4 CL E G H949611603ORPHA:1509Coxopodopatellar syndromeHP:0040281 - Very frequent55
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0TBX4 CL E G H949611603OMIM:147891Ischiocoxopodopatellar syndrome with or without pulmonary arterial hypertension55
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0UBR7 CL E G H5514820344OMIM:619189LI-CAMPEAU SYNDROME; LICAS1
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0WNT7A CL E G H747612786OMIM:228930Fibular aplasia or hypoplasia, femoral bowing and poly-, syn-, and oligodactyly13
HP:0006498HP:0006498Aplasia/Hypoplasia of the patella0ZSWIM6 CL E G H5768829316ORPHA:1827Acromelic frontonasal dysplasia5
HP:0006498HP:0003065Patellar hypoplasia1ANAPC1 CL E G H6468219988ORPHA:221008Rothmund-Thomson syndrome type 1HP:0040284 - Very rare2
HP:0006498HP:0006443Patellar aplasia1ANAPC1 CL E G H6468219988ORPHA:221008Rothmund-Thomson syndrome type 1HP:0040284 - Very rare2
HP:0006498HP:0006443Patellar aplasia1BHLHA9 CL E G H72785735126ORPHA:3329Tibial aplasia-ectrodactyly syndromeHP:0040283 - Occasional4
HP:0006498HP:0006443Patellar aplasia1CDC45 CL E G H83181739ORPHA:2554Ear-patella-short stature syndromeHP:0040282 - Frequent9
HP:0006498HP:0006443Patellar aplasia1CDC6 CL E G H9901744ORPHA:2554Ear-patella-short stature syndromeHP:0040282 - Frequent31
HP:0006498HP:0006443Patellar aplasia1CDC6 CL E G H9901744OMIM:613805Meier-Gorlin syndrome 5.31
HP:0006498HP:0006443Patellar aplasia1CDT1 CL E G H8162024576ORPHA:2554Ear-patella-short stature syndromeHP:0040282 - Frequent50
HP:0006498HP:0006443Patellar aplasia1CDT1 CL E G H8162024576OMIM:613804Meier-Gorlin syndrome 4.50
HP:0006498HP:0006443Patellar aplasia1CHRNG CL E G H11461967OMIM:265000Multiple pterygium syndrome, escobar variant.68
HP:0006498HP:0006443Patellar aplasia1DONSON CL E G H299802993OMIM:617604Microcephaly, short stature, and limb abnormalitiesHP:0040284 - Very rare9
HP:0006498HP:0006443Patellar aplasia1ESCO2 CL E G H15757027230ORPHA:3103Roberts syndromeHP:0040283 - Occasional92
HP:0006498HP:0003065Patellar hypoplasia1GJB2 CL E G H27064284ORPHA:477KID syndrome199
HP:0006498HP:0003065Patellar hypoplasia1GJB6 CL E G H108044288ORPHA:477KID syndrome56
HP:0006498HP:0006443Patellar aplasia1GMNN CL E G H5105317493ORPHA:2554Ear-patella-short stature syndromeHP:0040282 - Frequent3
HP:0006498HP:0006443Patellar aplasia1GMNN CL E G H5105317493OMIM:616835Meier-Gorlin syndrome 63
HP:0006498HP:0006443Patellar aplasia1KAT6B CL E G H2352217582OMIM:606170Genitopatellar syndrome.141
HP:0006498HP:0006443Patellar aplasia1KAT6B CL E G H2352217582ORPHA:85201Genitopatellar syndromeHP:0040281 - Very frequent141
HP:0006498HP:0006443Patellar aplasia1LMBR1 CL E G H6432713243OMIM:135750Laurin-Sandrow syndrome.106
HP:0006498HP:0006443Patellar aplasia1LMBR1 CL E G H6432713243ORPHA:988Tibial hemimelia-polysyndactyly-triphalangeal thumb syndromeHP:0040281 - Very frequent106
HP:0006498HP:0003065Patellar hypoplasia1LMX1B CL E G H40106654ORPHA:4958189q33.3q34.11 microdeletion syndromeHP:0040282 - Frequent165
HP:0006498HP:0006443Patellar aplasia1LMX1B CL E G H40106654ORPHA:4958189q33.3q34.11 microdeletion syndromeHP:0040283 - Occasional165
HP:0006498HP:0006443Patellar aplasia1LMX1B CL E G H40106654OMIM:161200Nail-Patella syndrome165
HP:0006498HP:0006443Patellar aplasia1LMX1B CL E G H40106654ORPHA:2614Nail-patella syndromeHP:0040283 - Occasional165
HP:0006498HP:0003065Patellar hypoplasia1LMX1B CL E G H40106654OMIM:161200Nail-Patella syndrome165
HP:0006498HP:0003065Patellar hypoplasia1LMX1B CL E G H40106654ORPHA:2614Nail-patella syndromeHP:0040283 - Occasional165
HP:0006498HP:0006443Patellar aplasia1ORC1 CL E G H49988487ORPHA:2554Ear-patella-short stature syndromeHP:0040282 - Frequent53
HP:0006498HP:0006443Patellar aplasia1ORC1 CL E G H49988487OMIM:224690Meier-Gorlin syndrome 153
HP:0006498HP:0006443Patellar aplasia1ORC4 CL E G H50008490ORPHA:2554Ear-patella-short stature syndromeHP:0040282 - Frequent21
HP:0006498HP:0006443Patellar aplasia1ORC4 CL E G H50008490OMIM:613800Meier-Gorlin syndrome 221
HP:0006498HP:0006443Patellar aplasia1ORC6 CL E G H2359417151ORPHA:2554Ear-patella-short stature syndromeHP:0040282 - Frequent39
HP:0006498HP:0006443Patellar aplasia1ORC6 CL E G H2359417151OMIM:613803Meier-Gorlin syndrome 339
HP:0006498HP:0003065Patellar hypoplasia1ORC6 CL E G H2359417151OMIM:613803Meier-Gorlin syndrome 339
HP:0006498HP:0003065Patellar hypoplasia1PITX1 CL E G H53079004OMIM:119800CLUBFOOT, CONGENITAL, WITH OR WITHOUT DEFICIENCY OF LONG BONES AND/OR MIRROR-IMAGE POLYDACTYLY; CCF8
HP:0006498HP:0003065Patellar hypoplasia1PRMT7 CL E G H5449625557ORPHA:464288Short stature-brachydactyly-obesity-global developmental delay syndromeHP:0040283 - Occasional6
HP:0006498HP:0006443Patellar aplasia1RBM8A CL E G H99399905OMIM:274000Thrombocytopenia-absent radius syndrome10
HP:0006498HP:0003065Patellar hypoplasia1RECQL4 CL E G H94019949OMIM:218600Baller-Gerold syndrome.445
HP:0006498HP:0003065Patellar hypoplasia1RECQL4 CL E G H94019949ORPHA:221016Rothmund-Thomson syndrome type 2HP:0040283 - Occasional445
HP:0006498HP:0006443Patellar aplasia1RECQL4 CL E G H94019949ORPHA:221016Rothmund-Thomson syndrome type 2HP:0040283 - Occasional445
HP:0006498HP:0006443Patellar aplasia1SHH CL E G H646910848ORPHA:988Tibial hemimelia-polysyndactyly-triphalangeal thumb syndromeHP:0040281 - Very frequent67
HP:0006498HP:0006443Patellar aplasia1SHOX CL E G H647310853ORPHA:240Léri-Weill dyschondrosteosisHP:0040281 - Very frequent66
HP:0006498HP:0003065Patellar hypoplasia1SOX9 CL E G H666211204OMIM:114290Campomelic dysplasia109
HP:0006498HP:0003065Patellar hypoplasia1STXBP1 CL E G H681211444ORPHA:4958189q33.3q34.11 microdeletion syndromeHP:0040282 - Frequent237
HP:0006498HP:0006443Patellar aplasia1STXBP1 CL E G H681211444ORPHA:4958189q33.3q34.11 microdeletion syndromeHP:0040283 - Occasional237
HP:0006498HP:0003065Patellar hypoplasia1TBX4 CL E G H949611603ORPHA:26127917q23.1q23.2 microdeletion syndromeHP:0040283 - Occasional55
HP:0006498HP:0006443Patellar aplasia1TBX4 CL E G H949611603OMIM:147891Ischiocoxopodopatellar syndrome with or without pulmonary arterial hypertension.55
HP:0006498HP:0003065Patellar hypoplasia1TBX4 CL E G H949611603OMIM:147891Ischiocoxopodopatellar syndrome with or without pulmonary arterial hypertension.55
HP:0006498HP:0003065Patellar hypoplasia1UBR7 CL E G H5514820344OMIM:619189LI-CAMPEAU SYNDROME; LICAS1
HP:0006498HP:0006443Patellar aplasia1WNT7A CL E G H747612786OMIM:228930Fibular aplasia or hypoplasia, femoral bowing and poly-, syn-, and oligodactyly13
HP:0006498HP:0003065Patellar hypoplasia1ZSWIM6 CL E G H5768829316ORPHA:1827Acromelic frontonasal dysplasiaHP:0040283 - Occasional5


Genes (32) :ANAPC1 ARID1B BHLHA9 CDC45 CDC6 CDT1 CHRNG DONSON ESCO2 FKBP10 GDF5 GJB2 GJB6 GMNN KAT6B LMBR1 LMX1B ORC1 ORC4 ORC6 PITX1 PRMT7 RBM8A RECQL4 SHH SHOX SOX9 STXBP1 TBX4 UBR7 WNT7A ZSWIM6

Diseases (40) :ORPHA:221008 OMIM:135900 ORPHA:3329 ORPHA:2554 OMIM:617063 OMIM:613805 OMIM:613804 OMIM:265000 OMIM:617604 ORPHA:3103 ORPHA:1149 OMIM:200700 ORPHA:477 OMIM:616835 ORPHA:85201 OMIM:606170 OMIM:135750 ORPHA:988 ORPHA:495818 ORPHA:2614 OMIM:161200 OMIM:224690 OMIM:613800 OMIM:613803 OMIM:119800 ORPHA:464288 OMIM:274000 ORPHA:3320 ORPHA:1225 OMIM:218600 OMIM:266280 ORPHA:221016 ORPHA:240 OMIM:114290 ORPHA:261279 ORPHA:1509 OMIM:147891 OMIM:619189 OMIM:228930 ORPHA:1827
 

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