Human Phenotype Ontology 
Grandparent Node:
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Dialeptic seizure (HP:0011146)help
Grandparent Node:
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Generalized-onset seizure (HP:0002197)help
Parent Node:
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Generalized non-motor (absence) seizure (HP:0002121)help
..Starting node
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Atypical absence seizure (HP:0007270)help
Term ID: 7270
Name: Atypical absence seizure
Synonym: Atypical absence; Atypical absence seizures; Atypical petit mal seizures
Definition: An atypical absence seizure is a type of generalised non-motor (absence) seizure characterised by interruption of ongoing activities and reduced responsiveness. In comparison to a typical absence seizure, changes in tone may be more pronounced, onset and/or cessation may be less abrupt, and the duration of the ictus and post-ictal recovery may be longer. Although not always available, an EEG often demonstrates slow (<3 Hz), irregular, generalized spike-wave activity.
Comments:
Reference: HP:0007270
Genes and Diseases:
 
       Child Nodes:
........expandObtundation status (HP:0011151) help

 Sister Nodes: 
..expandobsolete Absence seizures with special features (HP:0011148) help
..expandTypical absence seizure (HP:0011147) 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:0007270HP:0007270Atypical absence seizure0AP2M1 CL E G H1173564OMIM:618587INTELLECTUAL DEVELOPMENTAL DISORDER, AUTOSOMAL DOMINANT 60, WITH SEIZURES; MRD60
HP:0007270HP:0007270Atypical absence seizure0CACNA1A CL E G H7731388ORPHA:2382Lennox-Gastaut syndromeHP:0040282 - Frequent449
HP:0007270HP:0007270Atypical absence seizure0CACNB4 CL E G H7851404OMIM:607682Epilepsy, idiopathic generalized, susceptibility to, 9146
HP:0007270HP:0007270Atypical absence seizure0CACNB4 CL E G H7851404OMIM:613855Episodic ataxia, type 5146
HP:0007270HP:0007270Atypical absence seizure0CEP85L CL E G H38711921638OMIM:618873LISSENCEPHALY 10; LIS101
HP:0007270HP:0007270Atypical absence seizure0CHD2 CL E G H11061917ORPHA:2382Lennox-Gastaut syndromeHP:0040282 - Frequent227
HP:0007270HP:0007270Atypical absence seizure0CLPB CL E G H8157030664OMIM:6198353-METHYLGLUTACONIC ACIDURIA, TYPE VIIA; MGCA7A38
HP:0007270HP:0007270Atypical absence seizure0CUX2 CL E G H2331619347ORPHA:2382Lennox-Gastaut syndromeHP:0040282 - Frequent
HP:0007270HP:0007270Atypical absence seizure0DNM1 CL E G H17592972ORPHA:2382Lennox-Gastaut syndromeHP:0040282 - Frequent72
HP:0007270HP:0007270Atypical absence seizure0EPM2A CL E G H79573413ORPHA:501Lafora diseaseHP:0040283 - Occasional83
HP:0007270HP:0007270Atypical absence seizure0FRRS1L CL E G H237321362ORPHA:725Continuous spikes and waves during sleepHP:0040282 - Frequent4
HP:0007270HP:0007270Atypical absence seizure0GABRA1 CL E G H25544075ORPHA:33069Dravet syndromeHP:0040282 - Frequent134
HP:0007270HP:0007270Atypical absence seizure0GABRB3 CL E G H25624083OMIM:617113Epileptic encephalopathy, early infantile, 4357
HP:0007270HP:0007270Atypical absence seizure0GABRB3 CL E G H25624083ORPHA:2382Lennox-Gastaut syndromeHP:0040282 - Frequent57
HP:0007270HP:0007270Atypical absence seizure0GABRG2 CL E G H25664087ORPHA:33069Dravet syndromeHP:0040282 - Frequent139
HP:0007270HP:0007270Atypical absence seizure0GABRG2 CL E G H25664087ORPHA:1945Rolandic epilepsyHP:0040284 - Very rare139
HP:0007270HP:0007270Atypical absence seizure0GRIN2A CL E G H29034585ORPHA:725Continuous spikes and waves during sleepHP:0040282 - Frequent434
HP:0007270HP:0007270Atypical absence seizure0GRIN2A CL E G H29034585ORPHA:98818Landau-Kleffner syndromeHP:0040283 - Occasional434
HP:0007270HP:0007270Atypical absence seizure0GRIN2A CL E G H29034585ORPHA:1945Rolandic epilepsyHP:0040284 - Very rare434
HP:0007270HP:0007270Atypical absence seizure0HNRNPU CL E G H31925048OMIM:617391Epileptic encephalopathy, early infantile, 5439
HP:0007270HP:0007270Atypical absence seizure0KCNB1 CL E G H37456231OMIM:616056EPILEPTIC ENCEPHALOPATHY, EARLY INFANTILE, 26; EIEE2665
HP:0007270HP:0007270Atypical absence seizure0KCNMA1 CL E G H37786284OMIM:618596EPILEPSY, IDIOPATHIC GENERALIZED, SUSCEPTIBILITY TO, 16; EIG16114
HP:0007270HP:0007270Atypical absence seizure0KCNT2 CL E G H34345018866OMIM:617771Epileptic encephalopathy, early infantile, 57.1
HP:0007270HP:0007270Atypical absence seizure0MAPK10 CL E G H56026872ORPHA:2382Lennox-Gastaut syndromeHP:0040282 - Frequent61
HP:0007270HP:0007270Atypical absence seizure0NHLRC1 CL E G H37888421576ORPHA:501Lafora diseaseHP:0040283 - Occasional77
HP:0007270HP:0007270Atypical absence seizure0PAFAH1B1 CL E G H50488574ORPHA:95232Lissencephaly due to LIS1 mutationHP:0040283 - Occasional231
HP:0007270HP:0007270Atypical absence seizure0PCDH19 CL E G H5752614270ORPHA:33069Dravet syndromeHP:0040282 - Frequent225
HP:0007270HP:0007270Atypical absence seizure0PCDH19 CL E G H5752614270ORPHA:101039Female restricted epilepsy with intellectual disabilityHP:0040283 - Occasional225
HP:0007270HP:0007270Atypical absence seizure0PPP3CA CL E G H55309314OMIM:617711Epileptic encephalopathy, infantile or early childhood, 12
HP:0007270HP:0007270Atypical absence seizure0SCN1A CL E G H632310585ORPHA:33069Dravet syndromeHP:0040282 - Frequent1053
HP:0007270HP:0007270Atypical absence seizure0SCN1A CL E G H632310585ORPHA:2382Lennox-Gastaut syndromeHP:0040282 - Frequent1053
HP:0007270HP:0007270Atypical absence seizure0SCN1B CL E G H632410586ORPHA:33069Dravet syndromeHP:0040282 - Frequent126
HP:0007270HP:0007270Atypical absence seizure0SCN1B CL E G H632410586OMIM:617350Epileptic encephalopathy, early infantile, 52.126
HP:0007270HP:0007270Atypical absence seizure0SCN2A CL E G H632610588ORPHA:33069Dravet syndromeHP:0040282 - Frequent427
HP:0007270HP:0007270Atypical absence seizure0SCN9A CL E G H633510597ORPHA:33069Dravet syndromeHP:0040282 - Frequent318
HP:0007270HP:0007270Atypical absence seizure0SRPX2 CL E G H2728630668ORPHA:1945Rolandic epilepsyHP:0040284 - Very rare50
HP:0007270HP:0007270Atypical absence seizure0TRIM8 CL E G H8160315579OMIM:619428FOCAL SEGMENTAL GLOMERULOSCLEROSIS AND NEURODEVELOPMENTAL SYNDROME; FSGSNEDS1
HP:0007270HP:0007270Atypical absence seizure0UBE3A CL E G H733712496ORPHA:98795Angelman syndrome due to paternal uniparental disomy of chromosome 15HP:0040283 - Occasional278
HP:0007270HP:0007270Atypical absence seizure0ZEB2 CL E G H983914881ORPHA:261552Mowat-Wilson syndrome due to a ZEB2 point mutationHP:0040282 - Frequent362
HP:0007270HP:0007270Atypical absence seizure0ZEB2 CL E G H983914881ORPHA:261537Mowat-Wilson syndrome due to monosomy 2q22HP:0040282 - Frequent362


Genes (31) :AP2M1 CACNA1A CACNB4 CEP85L CHD2 CLPB CUX2 DNM1 EPM2A FRRS1L GABRA1 GABRB3 GABRG2 GRIN2A HNRNPU KCNB1 KCNMA1 KCNT2 MAPK10 NHLRC1 PAFAH1B1 PCDH19 PPP3CA SCN1A SCN1B SCN2A SCN9A SRPX2 TRIM8 UBE3A ZEB2

Diseases (24) :OMIM:618587 ORPHA:2382 OMIM:607682 OMIM:613855 OMIM:618873 OMIM:619835 ORPHA:501 ORPHA:725 ORPHA:33069 OMIM:617113 ORPHA:1945 ORPHA:98818 OMIM:617391 OMIM:616056 OMIM:618596 OMIM:617771 ORPHA:95232 ORPHA:101039 OMIM:617711 OMIM:617350 OMIM:619428 ORPHA:98795 ORPHA:261552 ORPHA:261537
 

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