{
  "id": 16766,
  "label": "optic pathway glioma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0016167",
  "properties": {
    "xrefs": [
      "GARD:0004107",
      "MEDGEN:162950",
      "NCIT:C8567",
      "Orphanet:2086",
      "UMLS:C0796418",
      "icd11.foundation:1000103370"
    ],
    "synonyms": [
      "glioma of optic tract",
      "glioma of the optic tract",
      "glioma of the visual pathway",
      "glioma of visual pathway",
      "optic pathway glioma",
      "optic tract glioma",
      "visual pathway glioma"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      },
      {
        "ref": "MONDO:0024458",
        "name": "disorder of visual system"
      }
    ],
    "definition": "Optic pathway glioma (OPG) is a benign tumor that develop along the optic nerve (chiasm, tracts, and radiations) characterized by impairment or loss of vision and may be accompanied by diencephalic symptoms such as reduced growth and alteration in sleeping patterns. OPG are often linked to neurofibromatosis type 1 (NF1)."
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 2,
  "parents": [
    {
      "id": 4014,
      "label": "visual pathway disorder",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7209,
        20325
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:1393",
          "ICD10CM:H47.9",
          "MEDGEN:57831",
          "NCIT:C35342",
          "SCTID:54767005",
          "SCTID:95776004",
          "UMLS:C0155287"
        ],
        "synonyms": [
          "disease of optic tract",
          "disease or disorder of optic tract",
          "disorder of optic tract",
          "optic tract disease",
          "optic tract disease or disorder",
          "visual pathway disorder",
          "optic tract disorder"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "A disorder of the neural pathway from the optic nerve to the visual cortex."
      },
      "child_count": 10,
      "reference_id": "MONDO:0001834"
    },
    {
      "id": 17197,
      "label": "tumor of cranial and spinal nerves",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        20456
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0012697",
          "MEDGEN:1842705",
          "Orphanet:252057",
          "UMLS:C5679636"
        ],
        "synonyms": [
          "rare tumor of cranial and spinal nerves",
          "rare tumour of cranial and spinal nerves"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ]
      },
      "child_count": 4,
      "reference_id": "MONDO:0016749"
    },
    {
      "id": 20287,
      "label": "glioma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        20418
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "EFO:0005543",
          "GARD:0006513",
          "MEDGEN:9030",
          "MESH:D005910",
          "NCIT:C3059",
          "Orphanet:182067",
          "SCTID:393564001",
          "UMLS:C0017638"
        ],
        "synonyms": [
          "glial neoplasm",
          "glial tumor",
          "glial tumour",
          "glioma",
          "neoplasm of neuroglia",
          "neoplasm of the neuroglia",
          "neuroglial neoplasm",
          "neuroglial tumor",
          "neuroglial tumour",
          "tumor of neuroglia",
          "tumor of the neuroglia",
          "tumour of neuroglia",
          "tumour of the neuroglia"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A benign or malignant brain and spinal cord tumor that arises from glial cells (astrocytes, oligodendrocytes, ependymal cells). Tumors that arise from astrocytes are called astrocytic tumors or astrocytomas. Tumors that arise from oligodendrocytes are called oligodendroglial tumors. Tumors that arise from ependymal cells are called ependymomas."
      },
      "child_count": 9,
      "reference_id": "MONDO:0021042"
    },
    {
      "id": 20429,
      "label": "brain neoplasm",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7209,
        7694
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "EFO:0003833",
          "MEDGEN:14216",
          "NCIT:C2907",
          "UMLS:C0006118"
        ],
        "synonyms": [
          "brain neoplasm (disease)",
          "brain neoplasms",
          "brain tumor",
          "brain tumour",
          "neoplasm of brain",
          "neoplasm of the brain",
          "tumor of brain",
          "tumor of the Brain",
          "tumour of brain",
          "tumour of the Brain"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A neoplasm (disease) that involves the brain."
      },
      "child_count": 34,
      "reference_id": "MONDO:0021211"
    }
  ],
  "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": 21557,
      "label": "optic tract astrocytoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        3050,
        5133,
        16766
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0025445",
          "MEDGEN:237052",
          "NCIT:C7533",
          "UMLS:C1336971"
        ],
        "synonyms": [
          "astrocytoma (excluding glioblastoma) of optic tract",
          "optic tract astrocytoma",
          "optic tract astrocytoma (excluding glioblastoma)",
          "visual pathway astrocytoma"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "An astrocytoma that affects the optic tract. This condition can be seen in association with neurofibromatosis 1. It is most commonly seen in the pediatric age group."
      },
      "child_count": 6,
      "reference_id": "MONDO:0024649"
    }
  ],
  "roots": [
    {
      "id": 4014,
      "label": "visual pathway disorder"
    },
    {
      "id": 17197,
      "label": "tumor of cranial and spinal nerves"
    },
    {
      "id": 20287,
      "label": "glioma"
    },
    {
      "id": 20429,
      "label": "brain neoplasm"
    }
  ]
}