A woman in her 20s was concerned about her risk for breast cancer because her mother had previously had it. She saw a medical oncologist and wanted to be tested to see if she had inherited any pathogenic genetic variants that could increase her risk for developing...
A 60-year-old woman with breast cancer and a history of various cancers in her family came to see a genetic counselor to discuss genetic testing to guide her treatment and risk management. The woman also had two café-au-lait macules, a birthmark that can occur in...
Twenty years ago, a 45-year-old woman with a recent diagnosis of breast cancer went to see a dermatologist, who noted hyperpigmentation of her lips. The dermatologist clinically diagnosed her as having Peutz-Jeghers syndrome (PJS), a rare genetic condition that often...
A woman in her mid-40s without a personal history of cancer came to see a breast surgeon due to her family history of breast cancer and a sister who was “BRCA positive.” The surgeon ordered a large pan-cancer multigene panel, which revealed she had two...
A 49-year-old woman with a maternal family history of breast cancer was seen in a high-risk breast clinic. Both her mother and grandmother had breast cancer at an early age. Because her mother had reportedly declined genetic testing, the woman’s OB/GYN had...
