{
  "id": 17880,
  "label": "hairy cell leukemia variant",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0017600",
  "properties": {
    "xrefs": [
      "DOID:713",
      "GARD:0021249",
      "ICDO:9591/3",
      "MEDGEN:91160",
      "MedDRA:10019054",
      "NCIT:C7401",
      "Orphanet:300878",
      "SCTID:277568007",
      "UMLS:C0349633"
    ],
    "synonyms": [
      "HCL-V",
      "HCL-v",
      "hairy cell leukemia variant",
      "leukemic reticuloendotheliosis variant",
      "prolymphocytic variant of HCL",
      "prolymphocytic variant of hairy cell leukaemia",
      "prolymphocytic variant of hairy cell leukemia"
    ],
    "categories": [
      {
        "ref": "MONDO:0005046",
        "name": "immune system disorder"
      },
      {
        "ref": "MONDO:0005570",
        "name": "hematologic disorder"
      }
    ],
    "definition": "Hairy Cell Leukemia variant (HCL-V) is defined as a rare and indolent form of small, mature, B-cell leukemia characterized by splenomegaly, an elevated white blood cell (WBC) count and hyper-cellular bone marrow. HCL-V is more aggressive and resistant to therapy than classical HCL (HCL-C)."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 18857,
      "label": "hairy cell leukemia",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6693
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:285",
          "EFO:1000956",
          "GARD:0006560",
          "ICD10CM:C91.4",
          "ICD9:202.4",
          "ICDO:9940/3",
          "MEDGEN:9727",
          "MESH:D007943",
          "MedDRA:10019053",
          "MedDRA:10019055",
          "NCIT:C7402",
          "NORD:1213",
          "ONCOTREE:HCL",
          "Orphanet:58017",
          "SCTID:118613001",
          "UMLS:C0023443",
          "icd11.foundation:82152208"
        ],
        "synonyms": [
          "HCL",
          "HCL-C",
          "hairy cell leukemia",
          "leukemic reticuloendotheliosis",
          "classic hairy cell leukaemia",
          "classic hairy cell leukemia"
        ],
        "categories": [
          {
            "ref": "MONDO:0005046",
            "name": "immune system disorder"
          },
          {
            "ref": "MONDO:0005570",
            "name": "hematologic disorder"
          }
        ],
        "definition": "Hairy cell leukemia (HCL) is a rare type of leukemia in which abnormal B-lymphocytes are present in the bone marrow, spleen and peripheral blood. It is a slowly progressive chronic lymphocytic leukemia (CLL). The name comes from the abnormally shaped lymphocytes with hair-like projections."
      },
      "child_count": 4,
      "reference_id": "MONDO:0018935"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 18857,
      "label": "hairy cell leukemia"
    }
  ]
}