{
  "id": 5732,
  "label": "diffuse meningeal melanocytosis",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0003867",
  "properties": {
    "xrefs": [
      "DOID:6379",
      "GARD:0027654",
      "ICDO:8728/0",
      "MEDGEN:226841",
      "NCIT:C6890",
      "UMLS:C1266112"
    ],
    "synonyms": [
      "diffuse melanocytosis",
      "diffuse melanocytosis (morphologic abnormality)",
      "diffuse melanosis",
      "meningeal melanocytosis"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      }
    ],
    "definition": "A diffuse or multifocal proliferation of uniform nevoid polygonal cells in the leptomeninges. Cells may spread into the Virchow-Robin spaces without frank invasion of the brain. Diffuse melanocytosis carries a poor prognosis even in the absence of histologic malignancy. (WHO)"
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 5175,
      "label": "central nervous system melanocytic neoplasm",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4753,
        20380
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:4955",
          "GARD:0009422",
          "MEDGEN:1809168",
          "NCIT:C5504",
          "SCTID:277523004",
          "UMLS:C5670969"
        ],
        "synonyms": [
          "CNS melanocytic neoplasm",
          "CNS melanocytic tumor",
          "CNS melanocytic tumour",
          "central nervous system melanocytic neoplasm",
          "central nervous system melanocytic neoplasms",
          "central nervous system melanocytic tumor",
          "central nervous system melanocytic tumour",
          "melanocytic neoplasm of CNS",
          "melanocytic neoplasm of central nervous system",
          "melanocytic neoplasm of the CNS",
          "melanocytic neoplasm of the central nervous system",
          "melanocytic tumor of CNS",
          "melanocytic tumor of central nervous system",
          "melanocytic tumor of the central nervous system",
          "melanocytic tumour of CNS",
          "melanocytic tumour of central nervous system",
          "melanocytic tumour of the CNS",
          "melanocytic tumour of the central nervous system"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A primary tumor of the central nervous system that arises from leptomeningeal melanocytes. It may present as a diffuse proliferative leptomeningeal process (often as a component of the neurocutaneous melanosis complex) or as a distinct mass lesion."
      },
      "child_count": 6,
      "reference_id": "MONDO:0003222"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 5175,
      "label": "central nervous system melanocytic neoplasm"
    }
  ]
}