{
  "id": 17646,
  "label": "primary non-gestational choriocarcinoma of ovary",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0017327",
  "properties": {
    "xrefs": [
      "GARD:0021136",
      "MEDGEN:906353",
      "Orphanet:289356",
      "SCTID:716588005",
      "UMLS:C4274424"
    ],
    "synonyms": [
      "NGCO",
      "primary non-gestational ovarian choriocarcinoma"
    ],
    "categories": [
      {
        "ref": "MONDO:0005039",
        "name": "reproductive system disorder"
      },
      {
        "ref": "MONDO:0005151",
        "name": "endocrine system disorder"
      }
    ],
    "definition": "Primary non-gestational choriocarcinoma of ovary is a rare ovarian germ cell malignant tumor, arising from primordial germ cells, usually presenting with nausea, vomiting, abdominal pain, menstrual irregularities, and characterized by fast growth pattern, metastasis to lung, liver and brain and production of human chorionic gonadotrophin (hCG). It is apparently chemoresistant and has a worse prognosis than gestational choriocarcinoma and hence should be distinguished from the latter by DNA polymorphism."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 18315,
      "label": "malignant germ cell tumor of ovary",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7832,
        12476,
        18335,
        18448
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:2155",
          "GARD:0009330",
          "MEDGEN:87544",
          "NCIT:C4514",
          "Orphanet:35807",
          "SCTID:254869000",
          "UMLS:C0346180"
        ],
        "synonyms": [
          "MOGCT",
          "malignant germ cell neoplasm of ovary",
          "malignant germ cell neoplasm of the ovary",
          "malignant germ cell tumor of ovary",
          "malignant germ cell tumor of the ovary",
          "malignant germ cell tumour of the ovary",
          "malignant ovarian germ cell neoplasm",
          "malignant ovarian germ cell tumor",
          "malignant ovarian germ cell tumour",
          "ovarian germ cell cancer",
          "ovary malignant germ cell tumor",
          "ovary malignant germ cell tumour"
        ],
        "categories": [
          {
            "ref": "MONDO:0005039",
            "name": "reproductive system disorder"
          },
          {
            "ref": "MONDO:0005151",
            "name": "endocrine system disorder"
          }
        ],
        "definition": "Malignant germ cell tumor of ovary is a rare ovarian cancer arising from germ cells in the ovary, frequently unilateral at diagnosis which characteristically presents during adolescence with pelvic mass, fever, vaginal bleeding and acute abdomen."
      },
      "child_count": 16,
      "reference_id": "MONDO:0018171"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 18315,
      "label": "malignant germ cell tumor of ovary"
    }
  ]
}