{
  "url": "https://dantelabs.com/traits/keratoacanthoma",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "keratoacanthoma",
    "id": "HP:0031525",
    "name": "Keratoacanthoma",
    "definition": "Keratoacanthoma (KA) is a common benign epithelial tumor that originates from the pilosebaceous glands. In most cases, it is characterized by rapid evolution, followed by spontaneous resolution over 4 to 6 months. KA usually presents as a solitary flesh-coloured nodule with a central keratin plug on the sun-exposed skin of elderly individuals.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-integument",
        "name": "Abnormality of the integument",
        "url": "https://dantelabs.com/traits/abnormality-of-the-integument"
      },
      {
        "slug": "neoplasm",
        "name": "Abnormal tissue mass",
        "url": "https://dantelabs.com/traits/neoplasm"
      }
    ],
    "broader": [
      {
        "slug": "neoplasm-of-the-skin",
        "name": "Skin cancer",
        "url": "https://dantelabs.com/traits/neoplasm-of-the-skin"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "ercc4",
        "symbol": "ERCC4",
        "hgnc": "HGNC:3436",
        "name": "ERCC excision repair 4, endonuclease catalytic subunit",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ercc4"
      },
      {
        "slug": "krt5",
        "symbol": "KRT5",
        "hgnc": "HGNC:6442",
        "name": "keratin 5",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/krt5"
      },
      {
        "slug": "pofut1",
        "symbol": "POFUT1",
        "hgnc": "HGNC:14988",
        "name": "protein O-fucosyltransferase 1",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pofut1"
      },
      {
        "slug": "poglut1",
        "symbol": "POGLUT1",
        "hgnc": "HGNC:22954",
        "name": "protein O-glucosyltransferase 1",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/poglut1"
      },
      {
        "slug": "psenen",
        "symbol": "PSENEN",
        "hgnc": "HGNC:30100",
        "name": "presenilin enhancer, gamma-secretase subunit",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/psenen"
      }
    ]
  }
}