{
  "id": 17157,
  "label": "subependymal giant cell astrocytoma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0016693",
  "properties": {
    "xrefs": [
      "DOID:5077",
      "GARD:0010632",
      "ICDO:9384/1",
      "MEDGEN:61446",
      "NCIT:C3696",
      "Orphanet:251618",
      "SCTID:449799008",
      "UMLS:C0205768"
    ],
    "synonyms": [
      "SEGA",
      "subependymal giant cell astrocytic neoplasm",
      "subependymal giant cell astrocytic tumor",
      "subependymal giant cell astrocytic tumour",
      "subependymal giant cell astrocytoma (morphologic abnormality)"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      }
    ],
    "definition": "A benign, slowly growing tumor (WHO grade I) typically arising in the wall of the lateral ventricles and composed of large ganglioid astrocytes. It is the most common CNS neoplasm in patients with tuberous sclerosis complex and typically occurs during the first two decades of life. (WHO)"
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 9025,
      "label": "subependymoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        17160
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:4843",
          "EFO:1000553",
          "GARD:0010070",
          "ICDO:9383/1",
          "MEDGEN:64637",
          "MESH:D018315",
          "NCIT:C3795",
          "ONCOTREE:SUBE",
          "Orphanet:251639",
          "UMLS:C0206725"
        ],
        "synonyms": [
          "SUBEPENDYMOMA, benign",
          "WHO grade I ependymal neoplasm",
          "WHO grade I ependymal tumor",
          "WHO grade I ependymal tumour",
          "subependymal astrocytoma",
          "subependymal glioma",
          "subependymoma",
          "subependymal astrocytoma (formerly)"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Subependymoma is a rare and slow growing type of ependymoma, often presenting in middle-aged adults, found more commonly in men than in women, usually located in the fourth and lateral ventricles and manifesting with variable symptoms including headache, nausea, and loss of balance. In some cases it can be asymptomatic. It is usually associated with a better prognosis than other forms of ependymoma."
      },
      "child_count": 1,
      "reference_id": "MONDO:0007667"
    },
    {
      "id": 17149,
      "label": "low-grade astrocytoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        19525,
        20694
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0020706",
          "MEDGEN:727259",
          "MedDRA:10065869",
          "Orphanet:251592",
          "UMLS:C1314694"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ]
      },
      "child_count": 10,
      "reference_id": "MONDO:0016685"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 9025,
      "label": "subependymoma"
    },
    {
      "id": 17149,
      "label": "low-grade astrocytoma"
    }
  ]
}