{
  "id": 11095,
  "label": "Chuvash polycythemia",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0009892",
  "properties": {
    "xrefs": [
      "DOID:0060474",
      "GARD:0017176",
      "MEDGEN:332974",
      "MESH:C563918",
      "OMIM:263400",
      "Orphanet:238557",
      "UMLS:C1837915"
    ],
    "synonyms": [
      "Chuvash polycythemia",
      "VHL familial polycythemia",
      "Von Hippel-Lindau-dependent polycythemia",
      "erythrocytosis, familial, type 2",
      "familial polycythemia caused by mutation in VHL",
      "Chuvash erythrocytosis",
      "ECYT2",
      "erythrocytosis, autosomal recessive benign",
      "erythrocytosis, familial, 2",
      "polycythemia, Chuvash type",
      "polycythemia, VHL-dependent"
    ],
    "categories": [
      {
        "ref": "MONDO:0002081",
        "name": "musculoskeletal system disorder"
      },
      {
        "ref": "MONDO:0005046",
        "name": "immune system disorder"
      },
      {
        "ref": "MONDO:0005570",
        "name": "hematologic disorder"
      }
    ],
    "definition": "Chuvash erythrocytosis is a rare, genetic, congenital secondary polycythemia disorder characterized by increased hemoglobin, hematocrit and erythropoietin serum levels and normal oxygen affinity, which usually manifests with headache, dizziness, dyspnea and/or plethora. Patients present an increased risk of hemorrhage, thrombosis and early death."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 3363,
      "label": "familial polycythemia",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        5714,
        7218
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:10780",
          "GARD:0022884",
          "ICD10CM:D75.0",
          "MEDGEN:57520",
          "NANDO:2100187",
          "NANDO:2200644",
          "NCIT:C26955",
          "OMIMPS:133100",
          "UMLS:C0152264"
        ],
        "synonyms": [
          "erythrocytosis, familial",
          "familial polycythemia",
          "hereditary polycythemia (disease)",
          "primary polycythemia"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          },
          {
            "ref": "MONDO:0005046",
            "name": "immune system disorder"
          },
          {
            "ref": "MONDO:0005570",
            "name": "hematologic disorder"
          }
        ],
        "definition": "Polycythemia that occurs in groups of related individuals."
      },
      "child_count": 16,
      "reference_id": "MONDO:0001115"
    },
    {
      "id": 17035,
      "label": "congenital secondary polycythemia",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        10564,
        19740
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0020635",
          "MEDGEN:1843354",
          "Orphanet:238536",
          "UMLS:C5679848"
        ],
        "synonyms": [
          "congenital secondary erythrocytosis"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          },
          {
            "ref": "MONDO:0005046",
            "name": "immune system disorder"
          },
          {
            "ref": "MONDO:0005570",
            "name": "hematologic disorder"
          }
        ]
      },
      "child_count": 4,
      "reference_id": "MONDO:0016540"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 3363,
      "label": "familial polycythemia"
    },
    {
      "id": 17035,
      "label": "congenital secondary polycythemia"
    }
  ]
}