{
  "id": 23493,
  "label": "nasolacrimal duct disorder",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0044984",
  "properties": {
    "xrefs": [
      "MEDGEN:636806",
      "SCTID:95767006",
      "UMLS:C0521744"
    ],
    "synonyms": [
      "disease of nasolacrimal duct",
      "disease or disorder of nasolacrimal duct",
      "disorder of nasolacrimal duct",
      "nasolacrimal duct disease",
      "nasolacrimal duct disease or disorder"
    ],
    "categories": [
      {
        "ref": "MONDO:0002022",
        "name": "disorder of orbital region"
      },
      {
        "ref": "MONDO:0024458",
        "name": "disorder of visual system"
      }
    ],
    "definition": "A disease or disorder that involves the nasolacrimal duct."
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 4,
  "parents": [
    {
      "id": 4032,
      "label": "lacrimal apparatus disorder",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        2924,
        7019
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:1400",
          "EFO:0009455",
          "ICD9:375",
          "ICD9:375.69",
          "ICD9:375.89",
          "ICD9:375.9",
          "MEDGEN:5994",
          "MESH:D007766",
          "NCIT:C26809",
          "SCTID:31053003",
          "UMLS:C0022904"
        ],
        "synonyms": [
          "disease of lacrimal apparatus",
          "disease or disorder of lacrimal apparatus",
          "disorder of lacrimal apparatus",
          "disorder of lacrimal system",
          "lacrimal apparatus disease",
          "lacrimal apparatus disease or disorder",
          "lacrimal system disease",
          "lacrimal system disorder",
          "lachrymal system disorders"
        ],
        "categories": [
          {
            "ref": "MONDO:0002022",
            "name": "disorder of orbital region"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "A non-neoplastic or neoplastic disorder that affects the lacrimal apparatus."
      },
      "child_count": 34,
      "reference_id": "MONDO:0001854"
    }
  ],
  "children": [
    {
      "id": 3953,
      "label": "acquired tear duct stenosis",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        23493
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:13655",
          "ICD10CM:H04.55",
          "ICD9:375.56",
          "MEDGEN:509872",
          "SCTID:193995004",
          "UMLS:C0155248"
        ],
        "synonyms": [
          "acquired stenosis of nasolacrimal duct",
          "stenosis of nasolacrimal duct, acquired"
        ],
        "categories": [
          {
            "ref": "MONDO:0002022",
            "name": "disorder of orbital region"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ]
      },
      "child_count": 0,
      "reference_id": "MONDO:0001769"
    },
    {
      "id": 4013,
      "label": "lacrimal duct obstruction",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        23493
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:13929",
          "MEDGEN:226915",
          "MESH:D007767",
          "SCTID:416920000",
          "UMLS:C1281931"
        ],
        "categories": [
          {
            "ref": "MONDO:0002022",
            "name": "disorder of orbital region"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "Blockage of the tear duct."
      },
      "child_count": 0,
      "reference_id": "MONDO:0001833"
    },
    {
      "id": 6673,
      "label": "dacryocystitis",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        20399,
        23493
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:9938",
          "ICD9:375.30",
          "MEDGEN:3686",
          "MESH:D003607",
          "NCIT:C34521",
          "SCTID:85777005",
          "UMLS:C0010930",
          "icd11.foundation:1034960983"
        ],
        "synonyms": [
          "Dacryoadenitides",
          "Dacryocystitides",
          "inflammation of lacrimal sac",
          "lacrimal sac inflammation",
          "dacryoadenitis"
        ],
        "categories": [
          {
            "ref": "MONDO:0002022",
            "name": "disorder of orbital region"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "Inflammation of the lacrimal sac."
      },
      "child_count": 8,
      "reference_id": "MONDO:0004926"
    },
    {
      "id": 16240,
      "label": "nasolacrimal duct cyst",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        21538,
        23493
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0019944",
          "MEDGEN:1810477",
          "Orphanet:141083",
          "UMLS:C5575612"
        ],
        "synonyms": [
          "dacryocele",
          "nasolacrimal mucocele",
          "dacryocystocele"
        ],
        "categories": [
          {
            "ref": "MONDO:0002022",
            "name": "disorder of orbital region"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          },
          {
            "ref": "MONDO:0024623",
            "name": "otorhinolaryngologic disease"
          }
        ],
        "definition": "Nasolacrimal duct cyst describes a unilateral or bilateral congenital cyst of the nasolacrimal duct, which is almost always associated with dacryocystocele, presenting most commonly at birth or a few weeks of age (but rarely presenting in adulthood) as a benign, grayish blue mass in the inferomedial canthus or in the nasal cavity, that can cause epiphora, dacryocystitis (inflammation of the lacrimal sac) and nasal obstruction. It is more commonly reported in females."
      },
      "child_count": 0,
      "reference_id": "MONDO:0015387"
    }
  ],
  "roots": [
    {
      "id": 4032,
      "label": "lacrimal apparatus disorder"
    }
  ]
}