{
  "id": 6894,
  "label": "actinic keratosis",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0005173",
  "properties": {
    "xrefs": [
      "DOID:8866",
      "EFO:0002496",
      "HP:0025127",
      "ICD10CM:L57.0",
      "ICD9:702.0",
      "ICD9:702.19",
      "MEDGEN:9627",
      "MESH:D055623",
      "NCIT:C3148",
      "SCTID:201101007",
      "UMLS:C0022602",
      "icd11.foundation:1803982621"
    ],
    "synonyms": [
      "actinic (solar) keratosis",
      "actinic keratosis",
      "actinic keratosis (disease)",
      "solar keratosis",
      "Senile hyperkeratosis",
      "Senile keratosis",
      "senile keratosis"
    ],
    "categories": [
      {
        "ref": "MONDO:0002051",
        "name": "integumentary system disorder"
      }
    ],
    "definition": "A precancerous lesion of the skin composed of atypical keratinocytes. It is characterized by the presence of thick, scaly patches of skin. Several histologic variants have been described, including atrophic, acantholytic, and hyperkeratotic variants."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 3022,
      "label": "pre-malignant neoplasm",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6798,
        20315
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0060071",
          "MEDGEN:1837212",
          "UMLS:C5817154"
        ],
        "definition": "A disease of cellular proliferation that results in abnormal growths in the body, which do not invade or destroy the surrounding tissue but, given enough time, will transform into a cancer."
      },
      "child_count": 2,
      "reference_id": "MONDO:0000611"
    },
    {
      "id": 4599,
      "label": "skin neoplasm",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6798,
        6820
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:3165",
          "EFO:0004198",
          "ICD9:239.2",
          "MEDGEN:19993",
          "MESH:D012878",
          "NCIT:C3372",
          "ONCOTREE:SKIN",
          "SCTID:126488004",
          "UMLS:C0037286"
        ],
        "synonyms": [
          "neoplasm of skin",
          "neoplasm of the skin",
          "neoplasm of zone of skin",
          "skin neoplasm",
          "skin neoplasms",
          "skin tumor",
          "skin tumour",
          "tumor of skin",
          "tumor of the skin",
          "tumor of zone of skin",
          "tumour of skin",
          "tumour of the skin",
          "tumour of zone of skin",
          "zone of skin neoplasm",
          "zone of skin neoplasm (disease)",
          "zone of skin tumor",
          "zone of skin tumour",
          "skin",
          "skin benign neoplasm"
        ],
        "categories": [
          {
            "ref": "MONDO:0002051",
            "name": "integumentary system disorder"
          }
        ],
        "definition": "A benign or malignant tumor involving the skin. Representative examples of benign skin neoplasms include the benign melanocytic skin nevus, acanthoma, sebaceous adenoma, sweat gland adenoma, lipoma, hemangioma, fibroma, and benign fibrous histiocytoma. Representative examples of malignant skin neoplasms include basal cell carcinoma, squamous cell carcinoma, melanoma, and Kaposi sarcoma."
      },
      "child_count": 34,
      "reference_id": "MONDO:0002531"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 3022,
      "label": "pre-malignant neoplasm"
    },
    {
      "id": 4599,
      "label": "skin neoplasm"
    }
  ]
}