{"Name":"Familial thrombocytosis","DiseaseID__c":"GARD:0016688","id":16688,"encodedName":"familial-thrombocytosis","IsDeleted":false,"Disease_Name_Full__c":"Familial thrombocytosis","Xref_IDs__c":"720950009; C4303761; MEDGEN:929430; MONDO:0019111; OMIMPS:187950; ORPHA:71493","USA_Estimate__c":"1,000","No_of_Specialist_Tagsa__c":3,"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":2,"Disease_Characteristics_Score__c":6,"No_of_Age_at_Onset__c":1,"Description_Source__c":"MONDO:0019111","Disease_Description__c":"Familial thrombocytosis is a type of thrombocytosis, a sustained elevation of platelet numbers, which affects the platelet/megakaryocyte lineage and may create a tendency for thrombosis and hemorrhage but does not cause myeloproliferation.","GARD_Name__c":"Familial thrombocytosis","GARD_Synonym__c":"familial thrombocythemia; hereditary thrombocythemia; hereditary thrombocytosis; hereditary thrombocytosis disease; thcyt","Curated_Disease_Description_Source__c":"MONDO:0019111","Curated_Disease_Description__c":"Familial thrombocytosis is a type of thrombocytosis, a sustained elevation of platelet numbers, which affects the platelet/megakaryocyte lineage and may create a tendency for thrombosis and hemorrhage but does not cause myeloproliferation.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as a Child","SourceID__c":"ORPHA:71493","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Grouping","MONDO_ID__c":"MONDO:0019111","ORPHANET_ID__c":"ORPHA:71493","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Trombocitosis familiar","Spanish_Description_Source__c":"ORPHA:71493","Spanish_Description__c":"La trombocitosis familiar es un tipo de trombocitosis, un aumento mantenido del número de plaquetas, que afecta a la línea de progenitores de plaquetas/megacariocitos y puede producir tendencia a trombosis y hemorragia, pero no causa proliferación maligna.","Spanish_Disease_Name__c":"trombocitosis familiar","Spanish_GARD_Synonym__c":"trombocitopenia familiar; trombocitopenia hereditaria","Category_Linearization__c":"ORPHA:97992","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":"Familial thrombocytosis is a type of thrombocytosis, a sustained elevation of platelet numbers, which affects the platelet/megakaryocyte lineage and may create a tendency for thrombosis and hemorrhage but does not cause myeloproliferation.","Curated_Disease_Description_Source__c":"MONDO:0019111","GARD_Synonym__c":"familial thrombocythemia; hereditary thrombocythemia; hereditary thrombocytosis; hereditary thrombocytosis disease; thcyt","Name":"Familial thrombocytosis","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"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":"Hematology","Tag_Category__c":"Disease Category;Specialist","category_description":"Blood diseases affect the blood or blood-forming organs, including red blood cells, white blood cells, platelets, plasma, and bone marrow.","curated_tag_name":"Blood diseases"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Childhood","Provided_By__c":"ORPHA:71493"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.orpha.net/en/disease/detail/71493","Source__c":"C4303761; MONDO:0019111; ORPHA:71493","Xref__c":"ORPHA:71493"},{"URL__c":"https://www.omim.org/phenotypicSeries/PS187950","Source__c":"MONDO:0019111","Xref__c":"OMIMPS:187950"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C4303761","Source__c":"C4303761","Xref__c":"C4303761"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=929430","Source__c":"C4303761","Xref__c":"MEDGEN:929430"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=720950009","Source__c":"C4303761; MONDO:0019111","Xref__c":"720950009"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0019111","Source__c":"GARD:0016688","Xref__c":"MONDO:0019111"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"THPO","GHR_URL__c":"https://medlineplus.gov/genetics/gene/thpo","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true},{"GeneSymbol__c":"MPL","GHR_URL__c":"https://medlineplus.gov/genetics/gene/mpl","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true},{"GeneSymbol__c":"JAK2","GHR_URL__c":"https://medlineplus.gov/genetics/gene/jak2","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal dominant","X-linked recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormal sensation of spinning while the body is actually stationary.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002321","HPO_Synonym__c":"Dizzy spell","HPO_Name__c":"Vertigo","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Narrowing of peripheral arteries with reduction of blood flow to the limbs. This feature may be quantified as an ankle-brachial index of less than 0.9, and may be manifested clinically as claudication.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004950","HPO_Synonym__c":"Peripheral artery disease","HPO_Name__c":"Peripheral arterial stenosis","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An unpleasant sensation characterized by physical discomfort (such as pricking, throbbing, or aching) localized to the chest.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100749","HPO_Synonym__c":"Chest pain; Thoracic pain","HPO_Name__c":"Chest pain","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A myeloproliferative disorder characterized by increased proliferation of the granulocytic cell line without the loss of their capacity to differentiate.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0005506","HPO_Synonym__c":"Chronic myelocytic leukemia; Chronic myeloid leukemia","HPO_Name__c":"Chronic myelogenous leukemia","Feature_System__c":"Immune System; Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Pruritus is an itch or a sensation that makes a person want to scratch. This term refers to an abnormally increased disposition to experience pruritus.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000989","HPO_Synonym__c":"Itching; Itchy skin; Skin itching","HPO_Name__c":"Pruritus","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A form of leukemia characterized by overproduction of an early myeloid cell.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004808","HPO_Synonym__c":"Acute myeloblastic leukemia; Acute myelocytic leukemia; Acute myelogenous leukemia; AML","HPO_Name__c":"Acute myeloid leukemia","Feature_System__c":"Immune System; Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Reduction of total body weight.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001824","HPO_Synonym__c":"Loss of weight","HPO_Name__c":"Weight loss","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormal susceptibility to bleeding, often referred to as a bleeding diathesis. A bleeding diathesis may be related to vascular, platelet and coagulation defects.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001892","HPO_Synonym__c":"Bleeding diathesis; Bleeding tendency; Hemorrhagic diathesis","HPO_Name__c":"Abnormal bleeding","Feature_System__c":"Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A transient loss of consciousness (i.e., characterized by a rapid onset, a short duration, and a spontaneous and complete recovery) due to cerebral hypoperfusion.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001279","HPO_Synonym__c":"Fainting spell","HPO_Name__c":"Syncope","Feature_System__c":"Nervous System; Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Restriction of arterial blood supply to the brain associated with insufficient oxygenation to support the metabolic requirements of the tissue.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002637","HPO_Synonym__c":"Brain ischemia; Cerebrovascular ischemia; Disruption of blood oxygen supply to brain","HPO_Name__c":"Cerebral ischemia","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The formation of a blood clot inside an artery.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004420","HPO_Synonym__c":"Blood clot in artery","HPO_Name__c":"Arterial thrombosis","Feature_System__c":"Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Abnormal sensations such as tingling, pricking, or numbness of the skin with no apparent physical cause.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003401","HPO_Synonym__c":"Paresthesias; Pins and needles feeling; Tingling","HPO_Name__c":"Paresthesia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Pulmonary hypertension is defined mean pulmonary artery pressure of 25mmHg or more and pulmonary capillary wedge pressure of 15mmHg or less when measured by right heart catheterisation at rest and in a supine position.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002092","HPO_Synonym__c":"Increased blood pressure in blood vessels of lungs; Pulmonary artery hypertension","HPO_Name__c":"Pulmonary arterial hypertension","Feature_System__c":"Cardiovascular System; Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Abnormal increased size of the spleen.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001744","HPO_Synonym__c":"Increased spleen size; Large spleen","HPO_Name__c":"Splenomegaly","Feature_System__c":"Cardiovascular System; Immune System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002326","HPO_Synonym__c":"Mini stroke; TIA; Transient ischemic attacks","HPO_Name__c":"Transient ischemic attack","Feature_System__c":"Nervous System; Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001250","HPO_Synonym__c":"Epileptic seizure; Seizures","HPO_Name__c":"Seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Clonal hematopoietic stem cell disorders characterized by dysplasia (ineffective production) in one or more hematopoietic cell lineages, leading to anemia and cytopenia.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002863","HPO_Synonym__c":"Myelodysplastic syndrome","HPO_Name__c":"Myelodysplasia","Feature_System__c":"Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Frequent (30-79%)","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:71493","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Cephalgia, or pain sensed in various parts of the head, not confined to the area of distribution of any nerve.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002315","HPO_Synonym__c":"Headache; Headaches","HPO_Name__c":"Headache","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Increased numbers of platelets in the peripheral blood.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001894","HPO_Synonym__c":"Increased number of platelets in blood; Increased platelet count","HPO_Name__c":"Thrombocytosis","Feature_System__c":"Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001123","HPO_Synonym__c":"Partial loss of field of vision; Visual field defects","HPO_Name__c":"Visual field defect","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Formation of a blood clot (thrombus) inside a vein, causing the obstruction of blood flow.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004936","HPO_Synonym__c":"Blood clot in vein","HPO_Name__c":"Venous thrombosis","Feature_System__c":"Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:71493","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Dysarthric speech is a general description referring to a neurological speech disorder characterized by poor articulation. Depending on the involved neurological structures, dysarthria may be further classified as spastic, flaccid, ataxic, hyperkinetic and hypokinetic, or mixed.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001260","HPO_Synonym__c":"Difficulty articulating speech; Dysarthric speech","HPO_Name__c":"Dysarthria","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Hematology"],"Specialist":["Genetics","Hematology","Pediatrics"]},"synonyms":["familial thrombocythemia"," hereditary thrombocythemia"," hereditary thrombocytosis"," hereditary thrombocytosis disease"," thcyt"]}