{
  "id": 18298,
  "label": "Erdheim-Chester disease",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0018153",
  "properties": {
    "xrefs": [
      "DOID:4329",
      "EFO:1000926",
      "GARD:0006369",
      "ICD9:277.89",
      "MEDGEN:163902",
      "MESH:D031249",
      "MedDRA:10060801",
      "NANDO:2200038",
      "NCIT:C53972",
      "NORD:1102",
      "ONCOTREE:ECD",
      "Orphanet:35687",
      "SCTID:699537002",
      "UMLS:C0878675",
      "icd11.foundation:1395439137",
      "icd11.foundation:146718003"
    ],
    "synonyms": [
      "Erdheim Chester Disease",
      "Erdheim-Chester disease",
      "lipogranulomatosis",
      "polyostotic sclerosing histiocytosis",
      "ECD",
      "Erdheim Chester disease",
      "lipoid granulomatosis"
    ],
    "categories": [
      {
        "ref": "MONDO:0002254",
        "name": "syndromic disease"
      },
      {
        "ref": "MONDO:0005046",
        "name": "immune system disorder"
      }
    ],
    "definition": "Erdheim-Chester disease (ECD), a non-Langerhans form of histiocytosis, is a multisystemic disease characterized by various manifestations such as skeletal involvement with bone pain, exophthalmos, diabetes insipidus, renal impairment and central nervous system (CNS) and/or cardiovascular involvement."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 4370,
      "label": "syndromic disease",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        29379
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:225",
          "MEDGEN:11688",
          "MESH:D013577",
          "NCIT:C28193",
          "OGMS:0000086",
          "UMLS:C0039082"
        ],
        "synonyms": [
          "cluster, symptom",
          "clusters, symptom",
          "symptom cluster",
          "symptom clusters",
          "syndrome",
          "syndrome associated with disease or disorder",
          "syndromes",
          "syndromic disease",
          "syndromic disease or disorder"
        ],
        "categories": [
          {
            "ref": "MONDO:0002254",
            "name": "syndromic disease"
          }
        ],
        "definition": "A group of signs, symptoms, and clinicopathological characteristics that may or may not have a genetic basis and collectively define an abnormal condition."
      },
      "child_count": 1182,
      "reference_id": "MONDO:0002254"
    },
    {
      "id": 16345,
      "label": "non-Langerhans cell histiocytosis",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4688
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:4330",
          "GARD:0008231",
          "ICD9:288.4",
          "MEDGEN:9265",
          "MESH:D015616",
          "Orphanet:157987",
          "SCTID:127069007",
          "UMLS:C0019624"
        ],
        "synonyms": [
          "non-Langerhans-cell histiocytosis",
          "histiocytosis, non-Langerhans-cell"
        ],
        "categories": [
          {
            "ref": "MONDO:0005046",
            "name": "immune system disorder"
          }
        ],
        "definition": "Group of disorders which feature accumulations of active HISTIOCYTES and LYMPHOCYTES, but where the histiocytes are not LANGERHANS CELLS. The group includes HEMOPHAGOCYTIC LYMPHOHISTIOCYTOSIS; SINUS HISTIOCYTOSIS; xanthogranuloma; reticulohistiocytoma; juvenile XANTHOGRANULOMA; xanthoma disseminatum; as well as the lipid storage diseases (SEA-BLUE HISTIOCYTE SYNDROME; and NIEMANN-PICK DISEASES)."
      },
      "child_count": 15,
      "reference_id": "MONDO:0015531"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 4370,
      "label": "syndromic disease"
    },
    {
      "id": 16345,
      "label": "non-Langerhans cell histiocytosis"
    }
  ]
}