{
  "id": 18599,
  "label": "systemic polyarteritis nodosa",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0018596",
  "properties": {
    "xrefs": [
      "GARD:0021833",
      "MEDGEN:1863875",
      "Orphanet:439762",
      "UMLS:C5848156"
    ],
    "synonyms": [
      "systemic PAN",
      "systemic periarteritis nodosa"
    ],
    "categories": [
      {
        "ref": "MONDO:0004995",
        "name": "cardiovascular disorder"
      }
    ],
    "definition": "Systemic polyarteritis nodosa (PAN) is a chronic systemic necrotizingvasculitis of adults and childrenaffecting small- and medium-sized vessels and characterized by formation of microaneurysms leading to serious generalized disease and multi-organ involvement."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 18596,
      "label": "primary polyarteritis nodosa",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        19045
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0021830",
          "MEDGEN:1842954",
          "Orphanet:439737",
          "UMLS:C5680052"
        ],
        "synonyms": [
          "primary PAN",
          "primary periarteritis nodosa"
        ],
        "categories": [
          {
            "ref": "MONDO:0004995",
            "name": "cardiovascular disorder"
          }
        ]
      },
      "child_count": 3,
      "reference_id": "MONDO:0018593"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 18596,
      "label": "primary polyarteritis nodosa"
    }
  ]
}