{
  "id": 19959,
  "label": "primary syringomyelia",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0020508",
  "properties": {
    "xrefs": [
      "GARD:0019691",
      "MEDGEN:721465",
      "Orphanet:99856",
      "SCTID:371076006",
      "UMLS:C1299627",
      "icd11.foundation:257905685"
    ],
    "synonyms": [
      "congenital syringomyelia"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      }
    ]
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 3,
  "parents": [
    {
      "id": 18163,
      "label": "syringomyelia",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4611
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:327",
          "GARD:0007725",
          "MEDGEN:21449",
          "MESH:D013595",
          "MedDRA:10042928",
          "NANDO:1200506",
          "NANDO:1200507",
          "NCIT:C85179",
          "NORD:1755",
          "Orphanet:3280",
          "SCTID:111496009",
          "UMLS:C0039144",
          "icd11.foundation:1161887622"
        ],
        "synonyms": [
          "hydromyelia"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Syringomyelia is characterized by cerebrospinal fluid (CSF)-filled cavities (syrinx) inside the spinal cord, either as a result of a known cause (secondary syringomyelia, SS) or, more rarely, due to an unknown cause (primary syringomyelia, PS)."
      },
      "child_count": 2,
      "reference_id": "MONDO:0017987"
    }
  ],
  "children": [
    {
      "id": 9816,
      "label": "syringomyelia, isolated",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        19959
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0024626",
          "MEDGEN:1622554",
          "MESH:C566084",
          "OMIM:186700",
          "UMLS:C4538540"
        ],
        "synonyms": [
          "syringomyelia, isolated",
          "syringomyelia, noncommunicating isolated"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ]
      },
      "child_count": 0,
      "reference_id": "MONDO:0008525"
    },
    {
      "id": 18378,
      "label": "familial syringomyelia",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        19959,
        24270
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0021589",
          "MEDGEN:1842994",
          "Orphanet:370034",
          "UMLS:C5680970"
        ],
        "synonyms": [
          "hereditary syringomyelia"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "An instance of syringomyelia that is caused by an inherited modification of the individual's genome."
      },
      "child_count": 0,
      "reference_id": "MONDO:0018257"
    },
    {
      "id": 19961,
      "label": "idiopathic syringomyelia",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        19959,
        24405
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0019693",
          "MEDGEN:1378771",
          "Orphanet:99858",
          "SCTID:725001004",
          "UMLS:C4511700",
          "icd11.foundation:1218010255"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Idiopathic syringomyelia is a rare, non-syndromic central nervous system malformation characterized by a longitudinally oriented fluid-filled cavity inside the spinal cord parenchyma or the central canal, without any readily identifiably cause. It is usually associated with pain, sensory and/or musculoskeletal disturbances, but it can also be an incidental and asymptomatic finding."
      },
      "child_count": 0,
      "reference_id": "MONDO:0020510"
    }
  ],
  "roots": [
    {
      "id": 18163,
      "label": "syringomyelia"
    }
  ]
}