{
  "id": 8052,
  "label": "lichen planus",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0006572",
  "properties": {
    "xrefs": [
      "DOID:9201",
      "EFO:1000726",
      "ICD10CM:L43",
      "ICD10WHO:L43",
      "ICD9:697.0",
      "MEDGEN:9753",
      "MESH:D008010",
      "NCIT:C3189",
      "SCTID:4776004",
      "UMLS:C0023646",
      "icd11.foundation:1402978031"
    ],
    "synonyms": [
      "lichen ruber planus",
      "ruber planus"
    ],
    "categories": [
      {
        "ref": "MONDO:0002051",
        "name": "integumentary system disorder"
      }
    ],
    "definition": "A chronic, recurrent, pruritic inflammatory disorder of unknown etiology that affects the skin and mucus membranes. It presents with rashes and papules that tend to resolve spontaneously. It may be associated with hepatitis C. Certain drugs that contain arsenic or bismuth are associated with reactions mimicking lichen planus."
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 11,
  "parents": [
    {
      "id": 4496,
      "label": "dermatitis",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6820,
        20399
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:2723",
          "ICD9:692.9",
          "MEDGEN:849741",
          "MESH:D003872",
          "NCIT:C2983",
          "SCTID:43116000",
          "UMLS:C3875321"
        ],
        "synonyms": [
          "inflammation of skin",
          "inflammation of the skin",
          "inflammation of zone of skin",
          "inflammatory skin disease",
          "skin inflammation",
          "zone of skin inflammation"
        ],
        "categories": [
          {
            "ref": "MONDO:0002051",
            "name": "integumentary system disorder"
          }
        ],
        "definition": "An inflammatory process affecting the skin. Signs include red rash, itching, and blister formation. Representative examples are contact dermatitis, atopic dermatitis, and seborrheic dermatitis."
      },
      "child_count": 66,
      "reference_id": "MONDO:0002406"
    },
    {
      "id": 8050,
      "label": "lichen disease",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6820
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:8574",
          "EFO:1000724",
          "ICD9:697",
          "ICD9:697.8",
          "ICD9:697.9",
          "MEDGEN:507920",
          "SCTID:88996004",
          "UMLS:C0023643"
        ],
        "synonyms": [
          "lichen",
          "lichen condition"
        ],
        "categories": [
          {
            "ref": "MONDO:0002051",
            "name": "integumentary system disorder"
          }
        ],
        "definition": "A long-term skin condition that mainly affects the skin of the genitals. It usually causes itching and white patches to appear on the affected skin."
      },
      "child_count": 2,
      "reference_id": "MONDO:0006570"
    }
  ],
  "children": [
    {
      "id": 9236,
      "label": "lichen planus, familial",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        8052,
        23867
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "MEDGEN:372036",
          "MESH:C563624",
          "OMIM:151620",
          "UMLS:C1835402"
        ],
        "synonyms": [
          "hereditary lichen planus",
          "lichen planus, familial"
        ],
        "categories": [
          {
            "ref": "MONDO:0002051",
            "name": "integumentary system disorder"
          }
        ],
        "definition": "An instance of lichen planus that is caused by an inherited modification of the individual's genome."
      },
      "child_count": 0,
      "reference_id": "MONDO:0007902"
    },
    {
      "id": 17211,
      "label": "linear lichen planus",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        8052
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0011898",
          "MEDGEN:507921",
          "Orphanet:254379",
          "SCTID:44509000",
          "UMLS:C0023650",
          "icd11.foundation:7180779"
        ],
        "synonyms": [
          "Blaschkoid LP",
          "Blaschkoid lichen planus",
          "linear LP",
          "llp"
        ],
        "categories": [
          {
            "ref": "MONDO:0002051",
            "name": "integumentary system disorder"
          }
        ],
        "definition": "Linear lichen planus (LLP), also referred to as Blaschkoid LP, is a rare type of lichen planus characterized by a linear distribution of lichenoid lesions along the lines of Blaschko, which are embryonic pathways of skin development."
      },
      "child_count": 0,
      "reference_id": "MONDO:0016769"
    },
    {
      "id": 17212,
      "label": "actinic lichen planus",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        8052
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0012673",
          "MEDGEN:590348",
          "Orphanet:254395",
          "SCTID:200999007",
          "UMLS:C0406365",
          "icd11.foundation:365229579"
        ],
        "synonyms": [
          "actinic LP",
          "lichen planus actinus",
          "lichen planus subtropicus",
          "lichen planus tropicus",
          "lichenoid melanodermatitis",
          "summertime actinic lichenoid eruption"
        ],
        "categories": [
          {
            "ref": "MONDO:0002051",
            "name": "integumentary system disorder"
          }
        ],
        "definition": "Actinic lichen planus (LP) is a rare variant of cutaneous lichen planus characterized by the development of photo-distributed lichenoid lesions."
      },
      "child_count": 0,
      "reference_id": "MONDO:0016770"
    },
    {
      "id": 17213,
      "label": "annular atrophic lichen planus",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        8052
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0012676",
          "MEDGEN:929706",
          "Orphanet:254411",
          "SCTID:720493003",
          "UMLS:C4304037"
        ],
        "synonyms": [
          "annular atrophic LP"
        ],
        "categories": [
          {
            "ref": "MONDO:0002051",
            "name": "integumentary system disorder"
          }
        ],
        "definition": "Annular atrophic lichen planus (LP) is a rare variant of cutaneous lichen planus characterized by both annular and atrophic LP features in the same lesion."
      },
      "child_count": 0,
      "reference_id": "MONDO:0016771"
    },
    {
      "id": 17214,
      "label": "annular lichen planus",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        8052
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0012674",
          "MEDGEN:590346",
          "Orphanet:254424",
          "SCTID:201000006",
          "UMLS:C0406363",
          "icd11.foundation:206328727"
        ],
        "synonyms": [
          "annular LP"
        ],
        "categories": [
          {
            "ref": "MONDO:0002051",
            "name": "integumentary system disorder"
          }
        ],
        "definition": "Annular lichen planus (LP) is a rare variant of cutaneous lichen planus characterized by the development of annular lesions."
      },
      "child_count": 0,
      "reference_id": "MONDO:0016772"
    },
    {
      "id": 17215,
      "label": "atrophic lichen planus",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        8052
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0012675",
          "MEDGEN:9754",
          "MedDRA:10056959",
          "NCIT:C34777",
          "Orphanet:254449",
          "SCTID:25858008",
          "UMLS:C0023647",
          "icd11.foundation:1633911307"
        ],
        "synonyms": [
          "atrophic LP"
        ],
        "categories": [
          {
            "ref": "MONDO:0002051",
            "name": "integumentary system disorder"
          }
        ],
        "definition": "Atrophic lichen planus (LP) is a rare variant of cutaneous lichen planus characterized by the development of pale papules or plaques with an atrophic center."
      },
      "child_count": 0,
      "reference_id": "MONDO:0016773"
    },
    {
      "id": 17216,
      "label": "lichen planus pigmentosus",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        8052
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0010816",
          "MEDGEN:590349",
          "Orphanet:254463",
          "SCTID:717061002",
          "UMLS:C0406366",
          "icd11.foundation:1235685123"
        ],
        "synonyms": [
          "LP pigmentosa",
          "LP pigmentosus",
          "lichen planus pigmentosa",
          "lichen planus pigmentosus inversus"
        ],
        "categories": [
          {
            "ref": "MONDO:0002051",
            "name": "integumentary system disorder"
          }
        ],
        "definition": "Lichen planus (LP) pigmentosus is a rare variant of cutaneous lichen planus characterized by the presence of hyperpigmented lichenoid lesions in sun-exposed or flexural areas of the body."
      },
      "child_count": 0,
      "reference_id": "MONDO:0016774"
    },
    {
      "id": 17217,
      "label": "lichen planus pemphigoides",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        8052
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0012677",
          "MEDGEN:590352",
          "Orphanet:254478",
          "SCTID:238653005",
          "UMLS:C0406369",
          "icd11.foundation:1373932539"
        ],
        "synonyms": [
          "LP pemphigoides"
        ],
        "categories": [
          {
            "ref": "MONDO:0002051",
            "name": "integumentary system disorder"
          }
        ],
        "definition": "Lichen planus (LP) pemphigoides is a rare cross-over syndrome between lichen planus and bullous pemphigoid."
      },
      "child_count": 0,
      "reference_id": "MONDO:0016775"
    },
    {
      "id": 18220,
      "label": "bullous lichen planus",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        8052
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0018808",
          "ICD10CM:L43.1",
          "MEDGEN:9755",
          "MedDRA:10056960",
          "NCIT:C34778",
          "Orphanet:33408",
          "SCTID:6111009",
          "UMLS:C0023648",
          "icd11.foundation:606709958"
        ],
        "categories": [
          {
            "ref": "MONDO:0002051",
            "name": "integumentary system disorder"
          }
        ],
        "definition": "Bullous lichen planus is a variant of rare lichen planus characterized by the development of vesico-bullous lesions."
      },
      "child_count": 0,
      "reference_id": "MONDO:0018056"
    },
    {
      "id": 20535,
      "label": "hypertrophic lichen planus",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        8052
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "ICD10CM:L43.0",
          "MEDGEN:9756",
          "NCIT:C34779",
          "SCTID:68266006",
          "UMLS:C0023649",
          "icd11.foundation:1096967508"
        ],
        "synonyms": [
          "hypertrophic lichen planus",
          "Hypertrophic Lichen Planus",
          "Hypertrophic lichen planus",
          "Lichen planus hypertrophicus",
          "lichen planus hypertrophicus"
        ],
        "categories": [
          {
            "ref": "MONDO:0002051",
            "name": "integumentary system disorder"
          }
        ],
        "definition": "A form of lichen planus that is characterized by plaques of markedly thickened skin that is often extremely pruritic and localized to the lower legs. It can result in permanent pigmentation and scarring."
      },
      "child_count": 0,
      "reference_id": "MONDO:0021377"
    },
    {
      "id": 23263,
      "label": "lichen planus, oral",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        8052,
        8301
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "MEDGEN:60084",
          "MESH:D017676",
          "NCIT:C7406",
          "SCTID:235049008",
          "UMLS:C0206139"
        ],
        "synonyms": [
          "oral lichen planus",
          "olp - oral lichen planus"
        ],
        "categories": [
          {
            "ref": "MONDO:0002051",
            "name": "integumentary system disorder"
          },
          {
            "ref": "MONDO:0006858",
            "name": "mouth disorder"
          }
        ],
        "definition": "A chronic, autoimmune inflammatory condition of the mucous membranes in the oral cavity that affects approximately two percent of the population and is most often seen in middle aged women. It is characterized by white, lacy patches; red, swollen tissue; papules and plaques; or open sores. The lesions are typically bilateral."
      },
      "child_count": 0,
      "reference_id": "MONDO:0043923"
    }
  ],
  "roots": [
    {
      "id": 4496,
      "label": "dermatitis"
    },
    {
      "id": 8050,
      "label": "lichen disease"
    }
  ]
}