{
  "id": 4691,
  "label": "optic nerve neoplasm",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0002640",
  "properties": {
    "xrefs": [
      "DOID:3419",
      "EFO:1001073",
      "ICD9:239.7",
      "MEDGEN:101181",
      "MESH:D019574",
      "NCIT:C4801",
      "SCTID:395505000",
      "UMLS:C0524802"
    ],
    "synonyms": [
      "cranial nerve II neoplasm",
      "cranial nerve II neoplasm (disease)",
      "cranial nerve II neoplasms",
      "cranial nerve II tumor",
      "cranial nerve II tumour",
      "neoplasm of cranial nerve II",
      "neoplasm of optic nerve",
      "neoplasm of second cranial nerve",
      "neoplasm of the optic nerve",
      "neoplasm of the second cranial nerve",
      "neoplasms, optic nerve",
      "neoplasms, second cranial nerve",
      "optic nerve neoplasm",
      "optic nerve neoplasms",
      "optic nerve tumor",
      "optic nerve tumour",
      "second cranial nerve neoplasm",
      "second cranial nerve neoplasms",
      "second cranial nerve tumor",
      "second cranial nerve tumour",
      "tumor of cranial nerve II",
      "tumor of optic nerve",
      "tumor of second cranial nerve",
      "tumor of the optic nerve",
      "tumor of the second cranial nerve",
      "tumour of cranial nerve II",
      "tumour of second cranial nerve",
      "tumour of the optic nerve",
      "tumour of the second cranial nerve"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      },
      {
        "ref": "MONDO:0024458",
        "name": "disorder of visual system"
      }
    ],
    "definition": "Benign and malignant neoplasms which arise from or metastasize to the optic or second cranial nerve which extends from the optic disk of the eye and joins the optic chiasm. Clinical features may include visual loss, proptosis, and local pain. The majority of optic nerve tumors or optic gliomas."
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 3,
  "parents": [
    {
      "id": 4268,
      "label": "optic nerve disorder",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4657,
        5469,
        21415
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:1891",
          "ICD9:377.49",
          "ICD9:377.9",
          "MEDGEN:854546",
          "MESH:D009901",
          "NCIT:C79698",
          "SCTID:77157004",
          "UMLS:C3887709"
        ],
        "synonyms": [
          "cranial nerve II disease",
          "cranial nerve II disease or disorder",
          "disease of cranial nerve II",
          "disease or disorder of cranial nerve II",
          "disorder of cranial nerve II",
          "optic nerve disorder",
          "second cranial nerve disorder"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "A non-neoplastic or neoplastic disorder affecting the optic nerve (second cranial nerve)."
      },
      "child_count": 24,
      "reference_id": "MONDO:0002135"
    },
    {
      "id": 4684,
      "label": "cranial nerve neoplasm",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        3627,
        5469,
        7231
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:338",
          "ICD9:239.7",
          "MEDGEN:3263",
          "MESH:D003390",
          "NCIT:C2963",
          "SCTID:126966009",
          "UMLS:C0010267"
        ],
        "synonyms": [
          "cranial nerve neoplasm",
          "cranial nerve neoplasm (disease)",
          "cranial nerve neoplasms",
          "cranial nerve tumor",
          "cranial nerve tumour",
          "neoplasm of cranial nerve",
          "neoplasm of the cranial nerve",
          "tumor of cranial nerve",
          "tumor of the cranial nerve",
          "tumour of cranial nerve",
          "tumour of the cranial nerve"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Abnormal growth of the cells that comprise the cranial nerves."
      },
      "child_count": 36,
      "reference_id": "MONDO:0002633"
    },
    {
      "id": 7694,
      "label": "central nervous system neoplasm",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4657,
        20456
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "EFO:1000158",
          "MEDGEN:88335",
          "NCIT:C9293",
          "UMLS:C0085136"
        ],
        "synonyms": [
          "CNS neoplasm",
          "CNS tumor",
          "CNS tumour",
          "brain/spinal cord tumor",
          "brain/spinal cord tumour",
          "central nervous system neoplasm",
          "central nervous system neoplasm (disease)",
          "central nervous system tumor",
          "central nervous system tumour",
          "neoplasm of CNS",
          "neoplasm of central nervous system",
          "neoplasm of the central nervous system",
          "tumor of CNS",
          "tumor of central nervous system",
          "tumor of the CNS",
          "tumor of the central nervous system",
          "tumour of CNS",
          "tumour of central nervous system",
          "tumour of the CNS",
          "tumour of the central nervous system"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A benign or malignant, primary or metastatic neoplasm that affects the brain, meninges, or spinal cord. Representative examples of primary neoplasms include astrocytoma, oligodendroglioma, ependymoma, and meningioma. Representative examples of metastatic neoplasms include carcinoma and leukemia."
      },
      "child_count": 20,
      "reference_id": "MONDO:0006130"
    }
  ],
  "children": [
    {
      "id": 5183,
      "label": "optic nerve glioma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4691,
        16766
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:4992",
          "EFO:0009254",
          "GARD:0023417",
          "ICD9:237.9",
          "MEDGEN:138056",
          "MESH:D020339",
          "NCIT:C4537",
          "SCTID:254976006",
          "UMLS:C0346326"
        ],
        "synonyms": [
          "cranial nerve II glioma",
          "glioma of cranial nerve II",
          "glioma of optic nerve",
          "glioma of the optic nerve",
          "optic nerve glioma"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "A glioma that affects the optic nerve. This condition can be seen in association with neurofibromatosis 1. It is most commonly seen in the pediatric age group."
      },
      "child_count": 4,
      "reference_id": "MONDO:0003235"
    },
    {
      "id": 5460,
      "label": "optic nerve sheath meningioma",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        4691,
        17113
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:5632",
          "GARD:0023563",
          "ICD9:237.9",
          "MEDGEN:138057",
          "NCIT:C4538",
          "SCTID:254978007",
          "UMLS:C0346328"
        ],
        "synonyms": [
          "meningioma of optic nerve sheath",
          "meningioma of the optic nerve sheath",
          "optic nerve sheath meningioma"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "A meningioma that affects the sheath of the optic nerve."
      },
      "child_count": 0,
      "reference_id": "MONDO:0003557"
    },
    {
      "id": 5724,
      "label": "bilateral meningioma of optic nerve",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        4691,
        21556
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:6335",
          "GARD:0023699",
          "MEDGEN:231442",
          "NCIT:C5304",
          "UMLS:C1332551"
        ],
        "synonyms": [
          "bilateral optic nerve meningioma"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "Meningiomas that affects both optic nerves."
      },
      "child_count": 0,
      "reference_id": "MONDO:0003859"
    }
  ],
  "roots": [
    {
      "id": 4268,
      "label": "optic nerve disorder"
    },
    {
      "id": 4684,
      "label": "cranial nerve neoplasm"
    },
    {
      "id": 7694,
      "label": "central nervous system neoplasm"
    }
  ]
}