{
  "id": 20335,
  "label": "parkinsonian disorder",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0021095",
  "properties": {
    "xrefs": [
      "DOID:0080855",
      "MEDGEN:66079",
      "MESH:D020734",
      "UMLS:C0242422"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      }
    ],
    "definition": "A group of disorders which feature impaired motor control characterized by bradykinesia, MUSCLE RIGIDITY; TREMOR; and postural instability. Parkinsonian diseases are generally divided into primary parkinsonism (see PARKINSON DISEASE), secondary parkinsonism (see PARKINSON DISEASE, SECONDARY) and inherited forms. These conditions are associated with dysfunction of dopaminergic or closely related motor integration neuronal pathways in the BASAL GANGLIA."
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 21,
  "parents": [
    {
      "id": 5849,
      "label": "basal ganglia disorder",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7209
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "CSP:2057-3403",
          "DOID:679",
          "EFO:0009533",
          "ICD9:333.0",
          "MEDGEN:1619147",
          "MESH:D001480",
          "SCTID:70835005",
          "UMLS:C4520981"
        ],
        "synonyms": [
          "basal ganglia disease",
          "collection of basal ganglia disease",
          "collection of basal ganglia disease or disorder",
          "disease of basal ganglia",
          "disease of collection of basal ganglia",
          "disease or disorder of collection of basal ganglia",
          "disorder of collection of basal ganglia",
          "disorder of basal ganglia"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A disease involving the basal ganglia."
      },
      "child_count": 4,
      "reference_id": "MONDO:0003996"
    }
  ],
  "children": [
    {
      "id": 4114,
      "label": "postencephalitic Parkinson disease",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        8392,
        20335
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:14332",
          "EFO:1001402",
          "GARD:0019370",
          "ICD10CM:G21.3",
          "MEDGEN:10591",
          "MESH:D010301",
          "NCIT:C34898",
          "Orphanet:97349",
          "SCTID:19972008",
          "UMLS:C0030568"
        ],
        "synonyms": [
          "postencephalitic Parkinsonism",
          "postencephalitic parkinsonism"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A disease believed to be caused by a viral illness that triggers degeneration of the nerve cells in the substantia nigra. Overall, this degeneration leads to clinical parkinsonism."
      },
      "child_count": 0,
      "reference_id": "MONDO:0001945"
    },
    {
      "id": 6901,
      "label": "Parkinson disease",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        20335,
        24270
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:14330",
          "ICD10CM:G20",
          "ICD10WHO:G20",
          "ICD9:332",
          "ICD9:332.0",
          "MEDGEN:10590",
          "MESH:D010300",
          "NANDO:1200010",
          "NCIT:C26845",
          "OMIMPS:168600",
          "Orphanet:319705",
          "SCTID:49049000",
          "UMLS:C0030567",
          "birnlex:2098",
          "icd11.foundation:296066191"
        ],
        "synonyms": [
          "PD",
          "Parkinson disease",
          "Parkinson's disease",
          "paralysis agitans"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A progressive degenerative disorder of the central nervous system characterized by loss of dopamine producing neurons in the substantia nigra and the presence of Lewy bodies in the substantia nigra and locus coeruleus. Signs and symptoms include tremor which is most pronounced during rest, muscle rigidity, slowing of the voluntary movements, a tendency to fall back, and a mask-like facial expression."
      },
      "child_count": 12,
      "reference_id": "MONDO:0005180"
    },
    {
      "id": 8881,
      "label": "dystonia 12",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        19719,
        20335,
        24400
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0090056",
          "GARD:0009628",
          "MEDGEN:358384",
          "MESH:C538001",
          "NANDO:1200523",
          "NANDO:1200524",
          "NCIT:C157577",
          "OMIM:128235",
          "Orphanet:71517",
          "SCTID:702323008",
          "UMLS:C1868681"
        ],
        "synonyms": [
          "ATP1A3 dystonic disorder",
          "DYT-ATP1A3",
          "DYT12",
          "dystonia 12",
          "dystonia type 12",
          "dystonia-12",
          "dystonic disorder caused by mutation in ATP1A3",
          "RDP",
          "dystonia-Parkinsonism, rapid-onset",
          "rapid-onset dystonia-parkinsonism"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Rapid-onset dystonia-parkinsonism (RDP) is a very rare movement disorder, characterized by the abrupt onset of parkinsonism and dystonia, often triggered by physical or psychological stress."
      },
      "child_count": 0,
      "reference_id": "MONDO:0007496"
    },
    {
      "id": 9510,
      "label": "Perry syndrome",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        4370,
        20335,
        24343
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0060486",
          "GARD:0010453",
          "ICD9:348.89",
          "MEDGEN:357007",
          "MESH:C566822",
          "NANDO:1200547",
          "OMIM:168605",
          "Orphanet:178509",
          "SCTID:699184009",
          "UMLS:C1868594",
          "icd11.foundation:1441227658"
        ],
        "synonyms": [
          "Parkinsonism with alveolar hypoventilation and mental depression",
          "Perry syndrome",
          "parkinsonism with alveolar hypoventilation and mental depression"
        ],
        "categories": [
          {
            "ref": "MONDO:0002254",
            "name": "syndromic disease"
          },
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Perry syndrome is a rare inherited neurodegenerative disorder characterized by rapidly progressive early-onset parkinsonism, central hypoventilation, weight loss, insomnia and depression."
      },
      "child_count": 0,
      "reference_id": "MONDO:0008201"
    },
    {
      "id": 11640,
      "label": "X-linked parkinsonism-spasticity syndrome",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        20335,
        23888
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0112105",
          "GARD:0017567",
          "MEDGEN:813052",
          "OMIM:300911",
          "Orphanet:363654",
          "UMLS:C3806722"
        ],
        "synonyms": [
          "Parkinsonism with spasticity, X-linked, X-linked recessive",
          "XPDS",
          "PARKINSONISM with spasticity, X-linked"
        ],
        "categories": [
          {
            "ref": "MONDO:0002254",
            "name": "syndromic disease"
          },
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "X-linked parkinsonism-spasticity syndrome is a rare genetic neurological disorder characterized by parkinsonian features (including resting or action tremor, cogwheel rigidity, hypomimia and bradykinesia) associated with variably penetrant spasticity, hyperactive deep tendon reflexes and Babinski sign."
      },
      "child_count": 0,
      "reference_id": "MONDO:0010482"
    },
    {
      "id": 11851,
      "label": "early-onset parkinsonism-intellectual disability syndrome",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        19742,
        20335
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0111781",
          "GARD:0003203",
          "MEDGEN:208674",
          "MESH:C537179",
          "OMIM:311510",
          "Orphanet:2379",
          "SCTID:716107009",
          "UMLS:C0796195",
          "icd11.foundation:937544163"
        ],
        "synonyms": [
          "Laxova-Opitz syndrome",
          "Waisman syndrome",
          "Waisman syndrome, X-linked recessive",
          "early-onset parkinsonism-intellectual disability syndrome",
          "BGMR",
          "Laxova Brown hogan syndrome",
          "Parkinsonism, early onset with intellectual disability",
          "Parkinsonism, early onset with mental retardation",
          "Parkinsonism, early-onset, with intellectual disability",
          "Parkinsonism, early-onset, with mental retardation",
          "WAISMAN syndrome",
          "WSMN",
          "Wsn",
          "X-linked recessive basal ganglia disorder with intellectual disability",
          "X-linked recessive basal ganglia disorder with mental retardation",
          "basal ganglia disorder with intellectual disability",
          "basal ganglia disorder with mental retardation",
          "basal ganglion disorder with intellectual disability",
          "basal ganglion disorder with mental retardation"
        ],
        "categories": [
          {
            "ref": "MONDO:0002254",
            "name": "syndromic disease"
          },
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A basal ganglia disorder characterized by Parkinsonian-type symptoms (postural changes, tremor, rigidity), megalencephaly and variable intellectual deficit. Other signs are frontal bossing, persistent frontal lobe reflexes, strabismus and seizures. It has been described in three generations of one family. Transmission is X-linked, and the gene is located on chromosomal region Xq27.3-qter."
      },
      "child_count": 0,
      "reference_id": "MONDO:0010709"
    },
    {
      "id": 11887,
      "label": "X-linked dystonia-parkinsonism",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        2936,
        19719,
        20335
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0090057",
          "GARD:0010533",
          "MEDGEN:326820",
          "MESH:C564048",
          "NANDO:1200514",
          "NCIT:C126330",
          "OMIM:314250",
          "Orphanet:53351",
          "SCTID:698279003",
          "UMLS:C1839130"
        ],
        "synonyms": [
          "DYT-TAF1",
          "DYT3",
          "Lubag",
          "Lubag syndrome",
          "X-linked dystonia Parkinsonism",
          "XDP",
          "dystonia-Parkinsonism, X-linked, X-linked recessive",
          "X-linked dystonia-Parkinsonism syndrome",
          "X-linked dystonia-parkinsonism/Lubag",
          "X-linked torsion dystonia-Parkinsonism syndrome",
          "dystonia 3, torsion, X-linked",
          "dystonia-Parkinsonism, X-linked",
          "torsion dystonia-Parkinsonism, Filipino type"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "X-linked dystonia-parkinsonism (XDP) is a neurodegenerative movement disorder characterized by adult-onset parkinsonism that is frequently accompanied by focal dystonia, which becomes generalized over time, and that has a highly variable clinical course."
      },
      "child_count": 0,
      "reference_id": "MONDO:0010747"
    },
    {
      "id": 13266,
      "label": "autosomal dominant striatal neurodegeneration type 1",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        2770,
        20335
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0024853",
          "MEDGEN:934775",
          "OMIM:609161",
          "SCTID:725392005",
          "UMLS:C4310808"
        ],
        "synonyms": [
          "ADSD1",
          "PDE8B striatal degeneration, autosomal dominant",
          "striatal Degeneration, autosomal dominant 1",
          "striatal degeneration, autosomal dominant 1",
          "striatal degeneration, autosomal dominant caused by mutation in PDE8B",
          "ADSD",
          "autosomal dominant striatal neurodegeneration",
          "striatal degeneration, autosomal dominant"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Autosomal dominant striatal degeneration is a neurologic disorder characterized by variable movement abnormalities due to dysfunction in the striatal part of the basal ganglia."
      },
      "child_count": 0,
      "reference_id": "MONDO:0012205"
    },
    {
      "id": 13829,
      "label": "dystonia 16",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        2937,
        19719,
        20335
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0090048",
          "GARD:0010539",
          "MEDGEN:436979",
          "MESH:C567430",
          "NANDO:1200529",
          "NCIT:C168729",
          "OMIM:612067",
          "Orphanet:210571",
          "SCTID:722435003",
          "UMLS:C2677567",
          "icd11.foundation:548945828"
        ],
        "synonyms": [
          "DYT-PRKRA",
          "DYT16",
          "PRKRA dystonic disorder",
          "dystonia 16",
          "dystonia type 16",
          "dystonic disorder caused by mutation in PRKRA",
          "early-onset dystonia parkinsonism",
          "Young-onset dystonia-(parkinsonism)"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Dystonia 16 (DYT16) is a very rare and newly discovered movement disorder which is characterized by early-onset progressive limb dystonia, laryngeal and oromandibular dystonia, and parkinsonism."
      },
      "child_count": 0,
      "reference_id": "MONDO:0012789"
    },
    {
      "id": 14186,
      "label": "parkinsonism-dystonia, infantile",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4370,
        19719,
        20335
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0010484",
          "MEDGEN:413468",
          "MESH:C567730",
          "OMIMPS:613135",
          "Orphanet:238455",
          "UMLS:C2751067"
        ],
        "synonyms": [
          "IPD",
          "PARKINSONISM-dystonia, infantile",
          "PKDYS",
          "Parkinsonism-dystonia infantile",
          "dopamine transporter deficiency syndrome",
          "infantile Parkinsonism-dystonia",
          "parkinsonism-dystonia, infantile"
        ],
        "categories": [
          {
            "ref": "MONDO:0002254",
            "name": "syndromic disease"
          },
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Infantile dystonia-parkinsonism (IPD) is an extremely rare inherited neurological syndrome that presents in early infancy with hypokinetic parkinsonism and dystonia and that can be fatal."
      },
      "child_count": 9,
      "reference_id": "MONDO:0013150"
    },
    {
      "id": 14244,
      "label": "cirrhosis - dystonia - polycythemia - hypermanganesemia syndrome",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        2773,
        17991,
        20335,
        24270
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0080536",
          "GARD:0010706",
          "ICD9:277.89",
          "MEDGEN:412958",
          "MESH:C548016",
          "OMIM:613280",
          "Orphanet:309854",
          "SCTID:702377007",
          "UMLS:C2750442"
        ],
        "synonyms": [
          "cirrhosis - dystonia - polycythemia - hypermanganesemia syndrome",
          "HMDPC",
          "HMNDYT1",
          "hypermanganesemia with dystonia 1",
          "hypermanganesemia with dystonia polycythemia and cirrhosis",
          "hypermanganesemia with dystonia, polycythemia, and cirrhosis"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ]
      },
      "child_count": 0,
      "reference_id": "MONDO:0013208"
    },
    {
      "id": 17908,
      "label": "hemiparkinsonism-hemiatrophy syndrome",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        20335
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0021262",
          "MEDGEN:1627807",
          "Orphanet:306669",
          "UMLS:C4545231",
          "icd11.foundation:193784690"
        ],
        "synonyms": [
          "Hp-HA syndrome"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Hemiparkinsonism-hemiatrophy syndrome is a rare parkinsonian disorder characterized by unilateral body atrophy and slowly progressive, ipsilateral hemiparkinsonian signs (bradykinesia, rigidity, and tremor). Patients typically present with unilateral, action-induced dystonia, in upper or lower limbs, that progresses and becomes bilateral or with tremor which occurs predominantly at rest and progresses to hemiparkinsonism. Scoliosis, scapular winging, raised shoulders, brisk reflexes and extensor plantars are frequently associated."
      },
      "child_count": 0,
      "reference_id": "MONDO:0017636"
    },
    {
      "id": 17910,
      "label": "carbon monoxide-induced parkinsonism",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        20335,
        24962
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0021265",
          "MEDGEN:581450",
          "Orphanet:306686",
          "SCTID:230293003",
          "UMLS:C0393565"
        ],
        "synonyms": [
          "CO-induced parkinsonism"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ]
      },
      "child_count": 0,
      "reference_id": "MONDO:0017639"
    },
    {
      "id": 17911,
      "label": "cyanide-induced parkinsonism",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        20335,
        21773
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0021266",
          "MEDGEN:1639789",
          "Orphanet:306692",
          "SCTID:766872002",
          "UMLS:C4707859",
          "icd11.foundation:1717111858"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Cyanide-induced parkinsonism is a rare parkinsonian syndrome due to intoxication which develops in individuals surviving an acute cyanide intoxication episode or due to chronic exposure to small cyanide doses. It presents several weeks after acute exposure with progressive typical clinical features of parkinsonism including bradykinesia, rigidity, dystonia, hypomimia, hypokinetic dysarthria, postural instability and retropulsion but no resting or postural tremor. Brain MRI reveals bilateral lesions in the pallidum, posterior putamen, substantia nigra, subthalamic nucleus, temporal and occipital cortex, and cerebellum."
      },
      "child_count": 0,
      "reference_id": "MONDO:0017640"
    },
    {
      "id": 18416,
      "label": "atypical juvenile parkinsonism",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        20335
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0017621",
          "MEDGEN:1380105",
          "Orphanet:391411",
          "SCTID:725146001",
          "UMLS:C4510873"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Atypical juvenile parkinsonism (AJP) is a complex form of young-onset Parkinson disease (YOPD) that manifests with pyramidal signs, eye movement abnormalities, psychiatric manifestations (depression, anxiety, drug-induced psychosis, and impulse control disorders), intellectual disability, and other neurological symptoms (such as ataxia and epilepsy) along with classical parkinsonian symptoms."
      },
      "child_count": 1,
      "reference_id": "MONDO:0018321"
    },
    {
      "id": 19037,
      "label": "primary progressive freezing gait",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        7208,
        20335
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0018930",
          "MEDGEN:894846",
          "Orphanet:75567",
          "SCTID:715627004",
          "UMLS:C4275078",
          "icd11.foundation:431694225"
        ],
        "synonyms": [
          "PPFG"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Primary progressive freezing gait is a rare, heterogeneous, progressively incapacitating neurodegenerative disease characterized by freezing of gait (usually during the first 3 years), later associating postural instability, eventually resulting in a wheelchair-bound state. Other features may include mild bradykinesia, rigidity, postural tremor, hyperreflexia, speech disorder and dementia. The disease is unresponsive to dopaminergic treatments."
      },
      "child_count": 0,
      "reference_id": "MONDO:0019160"
    },
    {
      "id": 19215,
      "label": "encephalitis lethargica",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        7600,
        19722,
        20335
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:5225",
          "GARD:0006332",
          "ICD9:049.8",
          "MEDGEN:4028",
          "MedDRA:10052369",
          "NCIT:C26761",
          "NCIT:C34576",
          "Orphanet:83600",
          "SCTID:186499007",
          "UMLS:C0014040",
          "icd11.foundation:1777779617"
        ],
        "synonyms": [
          "Von Economo encephalitis",
          "encephalitis lethargica",
          "epidemic encephalitis",
          "lethargic encephalitis",
          "von Economo's disease",
          "Von Economo’s disease"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A form of encephalitis, the etiology of which is uncertain, that is characterized by lethargy and headache."
      },
      "child_count": 0,
      "reference_id": "MONDO:0019384"
    },
    {
      "id": 19688,
      "label": "parkinsonism with dementia of Guadeloupe",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        3823,
        20335
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0019372",
          "MEDGEN:899794",
          "Orphanet:97355",
          "SCTID:715737004",
          "UMLS:C4275027",
          "icd11.foundation:773801248"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Parkinsonism with dementia of Guadeloupe is characterized by symmetrical bradykinesia, predominantly axial rigidity, postural instability with early falls and cognitive decline with prominent features of frontal lobe dysfunction."
      },
      "child_count": 0,
      "reference_id": "MONDO:0019977"
    },
    {
      "id": 19814,
      "label": "multiple system atrophy, parkinsonian type",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        9146,
        20335
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0019604",
          "MEDGEN:1842393",
          "NANDO:1200036",
          "Orphanet:98933",
          "UMLS:C5554235",
          "icd11.foundation:296753000"
        ],
        "synonyms": [
          "MSA, parkinsonian type",
          "MSA-p"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Multiple system atrophy, parkinsonian type (MSA-p) is a form of multiple system atrophy (MSA) with predominant parkinsonian features (bradykinesia, rigidity, irregular jerky postural tremor, and postural instability)."
      },
      "child_count": 0,
      "reference_id": "MONDO:0020352"
    },
    {
      "id": 22934,
      "label": "parkinsonism with polyneuropathy",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        20335,
        24270
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0018028",
          "MEDGEN:1783451",
          "OMIM:619279",
          "Orphanet:611237",
          "UMLS:C5543299"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ]
      },
      "child_count": 0,
      "reference_id": "MONDO:0036193"
    },
    {
      "id": 25574,
      "label": "vascular parkinsonism",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        20335
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0080856",
          "ICD10CM:G21.4",
          "MEDGEN:581453",
          "UMLS:C0393568",
          "icd11.foundation:1852145464"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A Parkinsonism that is characterized by postural instability, a broad-based gait with the absence of tremors of vascular origin."
      },
      "child_count": 0,
      "reference_id": "MONDO:0956980"
    }
  ],
  "roots": [
    {
      "id": 5849,
      "label": "basal ganglia disorder"
    }
  ]
}