{
  "url": "https://dantelabs.com/traits/varicocele",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "varicocele",
    "id": "HP:0012871",
    "name": "Varicocele",
    "definition": "A varicocele is a widening of the veins along the spermatic cord, leading to enlarged, twisted veins in the scrotum, and manifested clinically by a painless testicle lump, scrotal swelling, or bulge in the scrotum.",
    "synonyms": [
      "Vaginal varicocele"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-genitourinary-system",
        "name": "Abnormality of the genitourinary system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-genitourinary-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-scrotum-morphology",
        "name": "Abnormal scrotum morphology",
        "url": "https://dantelabs.com/traits/abnormal-scrotum-morphology"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "brca2",
        "symbol": "BRCA2",
        "hgnc": "HGNC:1101",
        "name": "BRCA2 DNA repair associated",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/brca2"
      },
      {
        "slug": "ctr9",
        "symbol": "CTR9",
        "hgnc": "HGNC:16850",
        "name": "CTR9 component of Paf1/RNA polymerase II complex",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ctr9"
      },
      {
        "slug": "dis3l2",
        "symbol": "DIS3L2",
        "hgnc": "HGNC:28648",
        "name": "DIS3 like 3'-5' exoribonuclease 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/dis3l2"
      },
      {
        "slug": "gpc3",
        "symbol": "GPC3",
        "hgnc": "HGNC:4451",
        "name": "glypican 3",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/gpc3"
      },
      {
        "slug": "h19",
        "symbol": "H19",
        "hgnc": "HGNC:4713",
        "name": "H19 imprinted maternally expressed transcript",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/h19"
      },
      {
        "slug": "pou6f2",
        "symbol": "POU6F2",
        "hgnc": "HGNC:21694",
        "name": "POU class 6 homeobox 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pou6f2"
      },
      {
        "slug": "rest",
        "symbol": "REST",
        "hgnc": "HGNC:9966",
        "name": "RE1 silencing transcription factor",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rest"
      },
      {
        "slug": "srcap",
        "symbol": "SRCAP",
        "hgnc": "HGNC:16974",
        "name": "Snf2 related CREBBP activator protein",
        "frequency": "occasional",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/srcap"
      },
      {
        "slug": "trim28",
        "symbol": "TRIM28",
        "hgnc": "HGNC:16384",
        "name": "tripartite motif containing 28",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/trim28"
      },
      {
        "slug": "trip13",
        "symbol": "TRIP13",
        "hgnc": "HGNC:12307",
        "name": "thyroid hormone receptor interactor 13",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/trip13"
      },
      {
        "slug": "wt1",
        "symbol": "WT1",
        "hgnc": "HGNC:12796",
        "name": "WT1 transcription factor",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/wt1"
      },
      {
        "slug": "pten",
        "symbol": "PTEN",
        "hgnc": "HGNC:9588",
        "name": "phosphatase and tensin homolog",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pten"
      }
    ]
  }
}