{
  "url": "https://dantelabs.com/traits/thyroglossal-cyst",
  "trait": {
    "bundleId": "2026.10.19-9814e911",
    "release": "2026-09-01",
    "slug": "thyroglossal-cyst",
    "id": "HP:0010518",
    "name": "Thyroglossal cyst",
    "definition": "An abnormality of the thyroid gland owing to the presence of a fibrous cyst resulting from the persistence of the thyroglossal duct.",
    "synonyms": [
      "Thyroglossal duct cyst"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-endocrine-system",
        "name": "Abnormality of the endocrine system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-endocrine-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-thyroid-morphology",
        "name": "Abnormal shape of thyroid gland",
        "url": "https://dantelabs.com/traits/abnormal-thyroid-morphology"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "fem1b",
        "symbol": "FEM1B",
        "hgnc": "HGNC:3649",
        "name": "fem-1 homolog B",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fem1b"
      },
      {
        "slug": "mid1",
        "symbol": "MID1",
        "hgnc": "HGNC:7095",
        "name": "midline 1",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mid1"
      }
    ]
  }
}