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Cancer Genetics Overview (PDQ®): Genetics - Health Professional Information [NCI] - Structure and Content of PDQ Summaries

PDQ cancer genetics summaries focus on the genetics of specific cancers, inherited cancer syndromes, and the ethical, social, and psychological implications of cancer genetics knowledge. Sections on the genetics of specific cancers include syndrome-specific information on the risk implications of a family history of cancer, the prevalence and characteristics of cancer-predisposing mutations, known modifiers of genetic risk, opportunities for genetic testing, outcomes of genetic counseling and testing, and interventions available for people with increased cancer risk resulting from an inherited predisposition.

The source of medical literature cited in PDQ cancer genetics summaries is peer-reviewed scientific publications, the quality and reliability of which is evaluated in terms of levels of evidence. Where relevant, the level of evidence is cited, or particular strengths of a study or limitations of the evidence are described.

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Pheochromocytoma During Pregnancy

Pheochromocytoma diagnosed during pregnancy is extremely rare (0.007% of all pregnancies).[1,2] However, this situation deserves mention because women with hereditary conditions that increase the risk of developing pheochromocytoma are often also of child-bearing age, and the outcome of undiagnosed pheochromocytoma during pregnancy can be catastrophic. Diagnosis Prenatal diagnosis clearly results in decreased mortality for both mother and neonate.[3] Prior to 1970, a prenatal diagnosis of...

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Refer to the Levels of Evidence for Cancer Genetics Studies summary for more information on the levels of evidence utilized in the PDQ cancer genetics summaries.

    WebMD Public Information from the National Cancer Institute

    Last Updated: September 04, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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