Why do I need a PTEN genetic test?You or your child may need a PTEN genetic test if you have a family history of a PTEN genetic mutation and/or one or more of the following conditions or symptoms:Multiple hamartomas, especially in the gastrointestinal areaMacrocephaly (larger than normal sized head)Developmental delaysAutismDark freckling of the penis in malesBreast cancerThyroid cancerUterine cancer in femalesIf you've been diagnosed with cancer and don't have a family history of the disease, your health care provider may order this test to see if PTEN genetic mutation may be causing your cancer. Knowing whether you have the mutation can help your provider predict how your disease will develop and guide your treatment.
