{
  "id": 18827,
  "label": "posterior cortical atrophy",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0018899",
  "properties": {
    "xrefs": [
      "GARD:0018846",
      "MEDGEN:909667",
      "Orphanet:54247",
      "SCTID:715574002",
      "UMLS:C4275079",
      "icd11.foundation:377572273"
    ],
    "synonyms": [
      "Benson syndrome",
      "PCA",
      "biparietal Alzheimer disease"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      }
    ],
    "definition": "Posterior Cortical Atrophy (PCA) is a rare progressive neurodegenerative disorder with a typical onset between 50-65 years of age characterized by progressive impairment of higher visual processing skills and other posterior cortical functions without any evidence of ocular abnormalities."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 16360,
      "label": "hereditary dementia",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        3823,
        5714
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0020028",
          "MEDGEN:1842422",
          "Orphanet:158124",
          "UMLS:C5680680"
        ],
        "synonyms": [
          "genetic dementia"
        ],
        "definition": "An instance of dementia that is caused by an inherited genomic modification in an individual."
      },
      "child_count": 30,
      "reference_id": "MONDO:0015547"
    },
    {
      "id": 21292,
      "label": "inherited neurodegenerative disorder",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7208,
        24270
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0020280",
          "MEDGEN:1825988",
          "MESH:D020271",
          "NCIT:C97073",
          "Orphanet:183500",
          "UMLS:C5680568"
        ],
        "synonyms": [
          "genetic neurodegenerative disease",
          "hereditary neurodegenerative disease",
          "hereditary neurodegenerative disorder"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "An inherited disorder characterized by progressive degeneration and atrophy of the nervous system."
      },
      "child_count": 164,
      "reference_id": "MONDO:0024237"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 16360,
      "label": "hereditary dementia"
    },
    {
      "id": 21292,
      "label": "inherited neurodegenerative disorder"
    }
  ]
}