{
  "data": {
    "__count": 1,
    "__licence": {
      "identifier": "CC-BY-4.0",
      "link": "https://creativecommons.org/licenses/by/4.0",
      "name": "Creative Commons Attribution 4.0 International"
    },
    "results": {
      "Date": "2026-06-23 07:57:58",
      "DisorderGroup": "Disorder",
      "ORPHAcode": 790,
      "OrphanetURL": "http://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=en&Expert=790",
      "Preferred term": "Retinoblastoma",
      "Prevalence": [
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Europe",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.05"
        },
        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Taiwan, Province of China",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "19373260[PMID]",
          "ValMoy": "4.6"
        },
        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Korea, Republic of",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "24692122[PMID]",
          "ValMoy": "5.9"
        },
        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Europe",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Lifetime Prevalence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "1.05"
        },
        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Worldwide",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "22414599[PMID]_19704035[PMID]_ [EXPERT]",
          "ValMoy": "6.0"
        },
        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Japan",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "1513060[PMID]",
          "ValMoy": "5.05"
        },
        {
          "PrevalenceClass": "Unknown",
          "PrevalenceGeographic": "Europe",
          "PrevalenceQualification": "Class only",
          "PrevalenceType": "Point prevalence",
          "PrevalenceValidationStatus": "Not yet validated",
          "Source": "ORPHANET",
          "ValMoy": "0.0"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Austria",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.018"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Belgium",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.073"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Bulgaria",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.035"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Croatia",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.04"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Estonia",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.018"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Finland",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.053"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Germany",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.033"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Iceland",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.043"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Ireland",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.071"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Italy",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.045"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Latvia",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.016"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Lithuania",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.017"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Malta",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.094"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Norway",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.071"
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        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Poland",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.038"
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        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Portugal",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.047"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Slovakia",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.042"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Slovenia",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.038"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Spain",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.048"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Switzerland",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.039"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "United Kingdom",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.071"
        },
        {
          "PrevalenceClass": "1-9 / 1 000 000",
          "PrevalenceGeographic": "Netherlands",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Annual incidence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "RARECARE surveillance of rare cancers in Europe[OTHER]",
          "ValMoy": "0.107"
        }
      ],
      "Typology": "Disease"
    }
  },
  "datasetCategory": {
    "lang": "en",
    "name": "Epidemiology of rare diseases"
  },
  "parameters": {
    "path": {
      "ORPHAcode": 790
    },
    "query": {}
  },
  "uri": "https://api.orphadata.com/rd-epidemiology/orphacodes/790"
}