{"Name":"Bird headed-dwarfism, Montreal type","DiseaseID__c":"GARD:0000895","id":895,"encodedName":"bird-headed-dwarfism-montreal-type","IsDeleted":false,"Disease_Name_Full__c":"Bird headed-dwarfism, Montreal type","Xref_IDs__c":"C1859468; C535448; MEDGEN:347890; MONDO:0008870; OMIM:210700; ORPHA:2617","USA_Estimate__c":"1,000","No_of_Specialist_Tagsa__c":4,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":0,"World_Estimate__c":"1 to 8,000","No_of_HRSA_records__c":0,"Evidence_Based_Score__c":0,"No_of_Disease_Descriptions__c":3,"Disease_Characteristics_Score__c":6,"No_of_Age_at_Onset__c":2,"Description_Source__c":"MONDO:0008870","Disease_Description__c":"A rare, genetic multiple congenital anomalies/dysmorphic syndrome characterized by severe short stature and craniofacial dysmorphism (microcephaly, narrow face with flat cheeks, ptosis, prominent nose with a convex ridge, low-set ears with small or absent lobes, high-arched/cleft palate, micrognathia), associated with premature graying and loss of scalp hair, redundant, dry and wrinkled skin of the palms, premature senility and varying degrees of intellectual disability. Cryptorchidism and skeletal anomalies may also be observed. There have been no further descriptions in the literature since 1970.","GARD_Name__c":"Bird headed-dwarfism, Montreal type","GARD_Synonym__c":"bird-headed dwarfism montreal type; bird-headed dwarfism with features of premature senility; bird-headed dwarfism, montreal type; microcephalic primordial dwarfism montreal type; microcephalic primordial dwarfism, montreal type; premature senility, premature graying and loss of scalp hair and wrinkled skin of the palms","Curated_Disease_Description_Source__c":"MONDO:0008870","Curated_Disease_Description__c":"A rare, genetic multiple congenital anomalies/dysmorphic syndrome characterized by severe short stature and craniofacial dysmorphism (microcephaly, narrow face with flat cheeks, ptosis, prominent nose with a convex ridge, low-set ears with small or absent lobes, high-arched/cleft palate, micrognathia), associated with premature graying and loss of scalp hair, redundant, dry and wrinkled skin of the palms, premature senility and varying degrees of intellectual disability. Cryptorchidism and skeletal anomalies may also be observed. There have been no further descriptions in the literature since 1970.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as a Newborn and as an Infant","SourceID__c":"ORPHA:2617","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0008870","ORPHANET_ID__c":"ORPHA:2617","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Talla baja significativa primordial microcefálica tipo montreal","Spanish_Description_Source__c":"ORPHA:2617","Spanish_Description__c":"Es un síndrome dismórfico de múltiples anomalías congénitas, genético y poco frecuente, caracterizado por talla baja grave y dismorfia craneofacial (microcefalia, cara estrecha con mejillas planas, ptosis, nariz prominente con una cresta convexa, orejas de baja implantación con lóbulos pequeños o ausentes, paladar hendido / ojival, micrognatia), asociados a canas prematuras y pérdida de cabello, piel redundante, seca y arrugada en las palmas , senilidad prematura y diversos grados de discapacidad intelectual. También se puede observar criptorquidia y anomalías esqueléticas. No se han descrito nuevos casos en la literatura desde 1970.","Spanish_Disease_Name__c":"talla baja significativa primordial microcefálica tipo montreal","Spanish_GARD_Synonym__c":"enanismo con cabeza de pájaro tipo montreal; enanismo primordial microcefálico tipo montreal","Category_Linearization__c":"ORPHA:93890","icd10_id__c":null,"mesh_id__c":null,"omim_id__c":null,"snomed_id__c":null,"umls_id__c":null,"GARD_Disease__c":[{"Curated_Disease_Description__c":"A rare, genetic multiple congenital anomalies/dysmorphic syndrome characterized by severe short stature and craniofacial dysmorphism (microcephaly, narrow face with flat cheeks, ptosis, prominent nose with a convex ridge, low-set ears with small or absent lobes, high-arched/cleft palate, micrognathia), associated with premature graying and loss of scalp hair, redundant, dry and wrinkled skin of the palms, premature senility and varying degrees of intellectual disability. Cryptorchidism and skeletal anomalies may also be observed. There have been no further descriptions in the literature since 1970.","Curated_Disease_Description_Source__c":"MONDO:0008870","GARD_Synonym__c":"bird-headed dwarfism montreal type; bird-headed dwarfism with features of premature senility; bird-headed dwarfism, montreal type; microcephalic primordial dwarfism montreal type; microcephalic primordial dwarfism, montreal type; premature senility, premature graying and loss of scalp hair and wrinkled skin of the palms","Name":"Bird headed-dwarfism, Montreal type","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"Walking With Giants Foundation","Website__c":"https://www.walkingwithgiants.org/"}],"GARD_Disease_Tag__c":[{"Tag_Name__c":"Genetics","Tag_Category__c":"Cause;Disease Category;Specialist","category_description":"Genetic diseases affect the DNA, or genetic instructions, which directs how tissues, organs, and body systems function.","curated_tag_name":"Genetic diseases"},{"Tag_Name__c":"Neurology","Tag_Category__c":"Disease Category;Specialist","category_description":"Neurological diseases affect the brain, spinal cord, cranial nerves, autonomic nerves, or other peripheral nerves.","curated_tag_name":"Neurological diseases"},{"Tag_Name__c":"Congenital Abnormality","Tag_Category__c":"Disease Category","category_description":"Birth defects are structural changes present at birth that can affect almost any part of the body, including how the body looks, works, or both.","curated_tag_name":"Birth defects"},{"Tag_Name__c":"Neurodevelopmental disabilities","Tag_Category__c":"Specialist","curated_tag_name":"Neurodevelopmental disabilities"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Infancy","Provided_By__c":"ORPHA:2617"},{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:2617"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C535448","Source__c":"MONDO:0008870","Xref__c":"C535448"},{"URL__c":"https://www.omim.org/entry/210700","Source__c":"C1859468; MONDO:0008870; ORPHA:2617","Xref__c":"OMIM:210700"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=347890","Source__c":"C1859468","Xref__c":"MEDGEN:347890"},{"URL__c":"https://www.orpha.net/en/disease/detail/2617","Source__c":"C1859468; MONDO:0008870; ORPHA:2617","Xref__c":"ORPHA:2617"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C1859468","Source__c":"C1859468","Xref__c":"C1859468"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=765758008","Source__c":"C1859468","Xref__c":"765758008"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0008870","Source__c":"GARD:0000895","Xref__c":"MONDO:0008870"}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A severe degree of short stature, more than -4 SD from the mean corrected for age and sex.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003510","HPO_Synonym__c":"Dwarfism; Proportionate dwarfism; Severe short stature; Short stature, extreme; Short stature, severe","HPO_Name__c":"Severe short stature","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Skin characterized by the lack of natural or normal moisture.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000958","HPO_Synonym__c":"Dry skin; Xerosis","HPO_Name__c":"Dry skin","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Hair on the neck extends more inferiorly than usual.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002162","HPO_Synonym__c":"Low hairline at back of neck; Low posterior hair line","HPO_Name__c":"Low posterior hairline","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Nasal ridge curving anteriorly to an imaginary line that connects the nasal root and tip. The nose appears often also prominent, and the columella low.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000444","HPO_Synonym__c":"Beaked nose; Beaklike protrusion; Convex dorsum of nose; Convex nasal dorsum; Hooked nose; Polly beak nasal deformity","HPO_Name__c":"Convex nasal ridge","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Visible space between the dental arches in occlusion.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010807","HPO_Synonym__c":"Absence of overlap of upper and lower teeth; Open bite; Open bite between upper and lower teeth","HPO_Name__c":"Open bite","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormality related to a defect of vertebral separation during development.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003422","HPO_Synonym__c":"Abnormal spinal segmentation","HPO_Name__c":"Vertebral segmentation defect","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Caries is a multifactorial bacterial infection affecting the structure of the tooth. This term has been used to describe the presence of more than expected dental caries.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000670","HPO_Synonym__c":"Caries; Cariosity of teeth; Dental caries; Dental cavities; Early dental caries; Frequent caries; Tooth cavities; Tooth decay","HPO_Name__c":"Carious teeth","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A condition in which there is increased muscle tone so that arms or legs, for example, are stiff and difficult to move.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001276","HPO_Synonym__c":"Hypertonicity; Increased muscle tone","HPO_Name__c":"Hypertonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Abnormality observed by electroencephalogram (EEG), which is used to record of the brain's spontaneous electrical activity from multiple electrodes placed on the scalp.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002353","HPO_Synonym__c":"Abnormal EEG; Abnormal electroencephalogram; EEG abnormalities; Electroencephalogram abnormal; Electroencephalogram abnormalities","HPO_Name__c":"EEG abnormality","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Procedure_EEG"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007495","HPO_Synonym__c":"Precociously senile appearance; Prematurely aged appearance","HPO_Name__c":"Prematurely aged appearance","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormality of dermatoglyphs (fingerprints), which are present on fingers, palms, toes, and soles.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007477","HPO_Synonym__c":"Abnormal fingerprints; Dermatoglyphic abnormalities","HPO_Name__c":"Abnormal dermatoglyphics","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Head circumference below 2 standard deviations below the mean for age and sex.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000252","HPO_Synonym__c":"Abnormally small cranium; Abnormally small skull; Decreased circumference of cranium; Decreased size of cranium; Decreased size of skull; Reduced head circumference; small cranium; Small head circumference","HPO_Name__c":"Microcephaly","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Abnormal excessive perspiration (sweating) despite the lack of appropriate stimuli like hot and humid weather.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000975","HPO_Synonym__c":"Diaphoresis; Excessive sweating; Increased sweating; Profuse sweating; Sweating; Sweating profusely; Sweating, increased","HPO_Name__c":"Hyperhidrosis","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Localized loss of fat tissue.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100578","HPO_Synonym__c":"Atrophy of fat; Loss of fat tissue in localized area","HPO_Name__c":"Lipoatrophy","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002293","HPO_Synonym__c":"Pathologic hair loss from scalp; Scalp hair loss","HPO_Name__c":"Alopecia of scalp","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormal amount of hair.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011362","HPO_Synonym__c":"Abnormal hair quantity; Abnormality of hair density","HPO_Name__c":"Abnormal hair quantity","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A reduction of bone mineral density, that is, of the amount of matter per cubic centimeter of bones.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004349","HPO_Synonym__c":"Decreased bone mineral density; Decreased bone mineral density Z score; Low solidness and mass of the bones","HPO_Name__c":"Reduced bone mineral density","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Developmental hypoplasia of the mandible.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000347","HPO_Synonym__c":"Decreased size of lower jaw; Decreased size of mandible; Hypoplasia of lower jaw; Hypoplasia of mandible; Hypoplastic mandible; Hypoplastic mandible condyle; Hypotrophic lower jaw; Hypotrophic mandible; Little lower jaw; Little mandible; Lower jaw deficiency; Lower jaw hypoplasia; Mandibular deficiency; Mandibular hypoplasia; Mandibular micrognathia; Micrognathia of lower jaw; Micromandible; Robin mandible; Severe hypoplasia of mandible; Small jaw; Small lower jaw; Small mandible; Underdevelopment of lower jaw; Underdevelopment of mandible","HPO_Name__c":"Micrognathia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A larger than usual distance between the left and right nipple.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006610","HPO_Synonym__c":"Wide-spaced nipples; Widely spaced nipples; Widely-spaced nipples","HPO_Name__c":"Wide intermamillary distance","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The presence of an abnormal lateral curvature of the spine.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002650","HPO_Name__c":"Scoliosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The term intellectual disability or intellectual developmental disorder is used to describe significantly sub-average intellectual and adaptive functioning based on clinical assessment and as measured by individually administered, appropriately normed, standardized and validated tests of intellectual functioning and adaptive behavior, with onset during the developmental period from infancy through adolescence.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001249","HPO_Synonym__c":"Intellectual disability; Mental deficiency; Mental retardation; Mental retardation, nonspecific; Mental-retardation; Nonprogressive intellectual disability; Nonprogressive mental retardation","HPO_Name__c":"Intellectual disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Hyperreflexia is the presence of hyperactive stretch reflexes of the muscles.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001347","HPO_Synonym__c":"Increased deep tendon reflexes; Increased reflexes","HPO_Name__c":"Hyperreflexia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Any abnormality of the palate, i.e., of roof of the mouth.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000174","HPO_Synonym__c":"Abnormality of the palate; Abnormality of the roof of the mouth; Palatal anomaly; Palate abnormality","HPO_Name__c":"Abnormal palate morphology","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Development of gray hair at a younger than normal age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002216","HPO_Synonym__c":"Early graying; Premature graying; Premature graying of hair; Premature hair graying","HPO_Name__c":"Premature graying of hair","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Congenital atresia of the pylorus.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004399","HPO_Name__c":"Congenital pyloric atresia","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A plaque representing a connective-tissue nevus. Connective tissue naevi are uncommon skin lesions that occur when the deeper layers of the skin do not develop correctly or the components of these layers occur in the wrong proportion. Shagreen patches are oval-shaped and nevoid, skin-colored or occasionally pigmented, smooth or crinkled. The word shagreen refers to a type of roughened untanned leather.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0009721","HPO_Name__c":"Shagreen patch","Feature_System__c":"Skin System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Exaggerated anterior convexity of the thoracic vertebral column.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002808","HPO_Synonym__c":"Gibbus deformity; Hunched back; Hyperkyphosis; Round back","HPO_Name__c":"Kyphosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Testis in inguinal canal. That is, absence of one or both testes from the scrotum owing to failure of the testis or testes to descend through the inguinal canal to the scrotum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000028","HPO_Synonym__c":"Cryptorchism; Undescended testes; Undescended testis","HPO_Name__c":"Cryptorchidism","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The upper eyelid margin is positioned 3 mm or more lower than usual and covers the superior portion of the iris (objective); or, the upper lid margin obscures at least part of the pupil (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000508","HPO_Synonym__c":"Blepharoptosis; Drooping upper eyelid; Eyelid ptosis; Palpebral ptosis","HPO_Name__c":"Ptosis","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2617","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A type of abnormal location of the ears in which the position of the ears is characterized by posterior rotation (the superior part of the ears is rotated towards the back of the head, and the inferior part of the ears towards the front).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000358","HPO_Synonym__c":"Ear, posterior angulation, increased; Ears rotated toward back of head; Posteriorly angulated ears; Posteriorly rotated; Posteriorly rotated auricles; Posteriorly-angulated ears; Posteriorly-rotated ears","HPO_Name__c":"Posteriorly rotated ears","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology","Congenital Abnormality"],"Specialist":["Genetics","Neurology","Neurodevelopmental disabilities","Pediatrics"]},"synonyms":["bird-headed dwarfism montreal type"," bird-headed dwarfism with features of premature senility"," bird-headed dwarfism, montreal type"," microcephalic primordial dwarfism montreal type"," microcephalic primordial dwarfism, montreal type"," premature senility, premature graying and loss of scalp hair and wrinkled skin of the palms"]}