Human Phenotype Ontology 
Grandparent Node:
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Abnormal calvaria morphology (HP:0002683)help
Parent Node:
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obsolete Abnormality of calvarial morphology (HP:0002648)help
..Starting node
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Platybasia (HP:0002691)help
Term ID: 2691
Name: Platybasia
Synonym: Flattening of the skull base; Increased basal angle of skull base; Obtuse basal angle of skull base
Definition: A developmental malformation of the occipital bone and upper end of the cervical spine, in which the latter appears to have pushed the floor of the occipital bone upward such that there is an abnormal flattening of the skull base.
Comments:
Reference: HP:0002691
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandAbnormal parietal bone morphology (HP:0002696) help
..expandAbnormal shape of the frontal region (HP:0011218) help
..expandAbnormal shape of the occiput (HP:0011217) help
..expandAcrania (HP:0030716) help
..expandBiparietal narrowing (HP:0004422) help
..expandBrachycephaly (HP:0000248) help
..expandBroad skull (HP:0002682) help
..expandCalvarial skull defect (HP:0001362) help
..expandCloverleaf skull (HP:0002676) help
..expandCranial asymmetry (HP:0000267) help
..expandCraniosynostosis (HP:0001363) help
..expandDolichocephaly (HP:0000268) help
..expandObliteration of the calvarial diploe (HP:0030312) help
..expandPlagiocephaly (HP:0001357) help
..expandSkull asymmetry (HP:0002678) help
..expandTrigonocephaly (HP:0000243) help
..expandTurricephaly (HP:0000262) 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:0002691HP:0002691Platybasia0ARVCF CL E G H421728ORPHA:56722q11.2 deletion syndromeHP:0040281 - Very frequent1
HP:0002691HP:0002691Platybasia0COL1A1 CL E G H12772197OMIM:259420Osteogenesis imperfecta, type III.373
HP:0002691HP:0002691Platybasia0COL1A2 CL E G H12782198OMIM:259420Osteogenesis imperfecta, type III.243
HP:0002691HP:0002691Platybasia0COMT CL E G H13122228ORPHA:56722q11.2 deletion syndromeHP:0040281 - Very frequent6
HP:0002691HP:0002691Platybasia0FLNB CL E G H23173755OMIM:272460Spondylocarpotarsal synostosis syndrome.233
HP:0002691HP:0002691Platybasia0GP1BB CL E G H28124440ORPHA:56722q11.2 deletion syndromeHP:0040281 - Very frequent8
HP:0002691HP:0002691Platybasia0HIRA CL E G H72904916ORPHA:56722q11.2 deletion syndromeHP:0040281 - Very frequent3
HP:0002691HP:0002691Platybasia0JMJD1C CL E G H22103712313ORPHA:56722q11.2 deletion syndromeHP:0040281 - Very frequent2
HP:0002691HP:0002691Platybasia0LBR CL E G H39306518OMIM:618019PELGER-HUET ANOMALY WITH MILD SKELETAL ANOMALIES; PHASK70
HP:0002691HP:0002691Platybasia0NOTCH2 CL E G H48537882ORPHA:955Hajdu-Cheney syndromeHP:0040282 - Frequent138
HP:0002691HP:0002691Platybasia0NOTCH3 CL E G H48547883OMIM:130720Lateral meningocele syndrome.144
HP:0002691HP:0002691Platybasia0RREB1 CL E G H623910449ORPHA:56722q11.2 deletion syndromeHP:0040281 - Very frequent
HP:0002691HP:0002691Platybasia0SEC24C CL E G H963210705ORPHA:56722q11.2 deletion syndromeHP:0040281 - Very frequent
HP:0002691HP:0002691Platybasia0SH2B1 CL E G H2597030417ORPHA:261197Proximal 16p11.2 microdeletion syndromeHP:0040283 - Occasional
HP:0002691HP:0002691Platybasia0SIK3 CL E G H2338729165OMIM:618162Spondyloepimetaphyseal dysplasia, Krakow type.
HP:0002691HP:0002691Platybasia0TBX1 CL E G H689911592ORPHA:56722q11.2 deletion syndromeHP:0040281 - Very frequent32
HP:0002691HP:0002691Platybasia0UFD1 CL E G H735312520ORPHA:56722q11.2 deletion syndromeHP:0040281 - Very frequent


Genes (17) :ARVCF COL1A1 COL1A2 COMT FLNB GP1BB HIRA JMJD1C LBR NOTCH2 NOTCH3 RREB1 SEC24C SH2B1 SIK3 TBX1 UFD1

Diseases (8) :ORPHA:567 OMIM:259420 OMIM:272460 OMIM:618019 ORPHA:955 OMIM:130720 ORPHA:261197 OMIM:618162
 

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