{
  "id": 18401,
  "label": "Schnitzler syndrome",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0018304",
  "properties": {
    "xrefs": [
      "DOID:4371",
      "EFO:1001165",
      "GARD:0012390",
      "ICD9:708.8",
      "MEDGEN:141892",
      "MESH:D019873",
      "MedDRA:10062908",
      "NORD:1696",
      "Orphanet:37748",
      "SCTID:402415001",
      "UMLS:C0524988",
      "icd11.foundation:1867840545"
    ],
    "synonyms": [
      "chronic urticaria with gammopathy",
      "chronic urticaria with macroglobulinemia",
      "chronic urticaria with gammapathy"
    ],
    "categories": [
      {
        "ref": "MONDO:0002254",
        "name": "syndromic disease"
      },
      {
        "ref": "MONDO:0003900",
        "name": "connective tissue disorder"
      }
    ],
    "definition": "A rare, underdiagnosed disorder in adults characterized by recurrent febrile rash, bone and/or joint pain, enlarged lymph nodes, fatigue, a monoclonal IgM component, leukocytosis and systemic inflammatory response."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 19503,
      "label": "autoinflammatory syndrome",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4370,
        7203
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0051000",
          "ICD10CM:M04-M04",
          "MEDGEN:855741",
          "MedDRA:10072220",
          "NANDO:2100156",
          "NCIT:C119050",
          "Orphanet:93665",
          "UMLS:C3890737"
        ],
        "categories": [
          {
            "ref": "MONDO:0002254",
            "name": "syndromic disease"
          },
          {
            "ref": "MONDO:0003900",
            "name": "connective tissue disorder"
          }
        ],
        "definition": "A group of disorders of the innate immune system characterized by attacks of seemingly unprovoked inflammation without significant levels of either autoantibodies or autoreactive T cells more characteristic of autoimmune disease."
      },
      "child_count": 74,
      "reference_id": "MONDO:0019751"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 19503,
      "label": "autoinflammatory syndrome"
    }
  ]
}