A 39-year-old female went to see her OB/Gyn after noting a lump in her left breast while showering. During that visit she explained to her physician that she was concerned because she just had a friend die of breast cancer. The physician performed a breast exam. Finding no abnormalities, he ordered a screening mammogram (breast care guidelines suggest routine screening begin at age 40).
Three months later, the patient went for her mammogram. Even though she had identified a lump, she completed the radiology questionnaire by marking the "no abnormalities" box, because her physician had not identified any on exam. The screening mammogram results noted the following: "very dense stromal pattern, which reduce the sensitivity of the study for detection of cancer; there is no focal abnormality or other findings suggestive of malignancy – recommendation: annual screening".
The patient next visited her physician three months later, when she thought she might be pregnant. At that time, the physician did not review the results of the mammogram, nor did he examine her breasts or inquire as to whether the patient had noticed any other changes.
Six months later, the patient returned to her physician for her routine annual exam. She told her physician that she could still feel the lump in her breast, and that her periods had become irregular. Examining the breasts during this visit, the physician noted a suspicious area in the patient’s left breast. A surgical consult and ultrasound detected a 2.5 cm mass. Mammogram, biopsy, MRI and laboratory testing [estrogen receptor (+) and progesterone receptor (+)] revealed a Stage IV, invasive, ductile breast cancer with metastasis to her spine. Upon further investigation it was noted that the patient had a fairly strong family history of breast cancer; a maternal aunt was diagnosed at age 50 and a paternal cousin was diagnosed at age 36. Prior to this, a family history of breast cancer had not been documented.
The patient has since undergone a radical mastectomy with axillary dissection, radiation therapy, chemotherapy and a bilateral oopherectomy. She has also sustained multiple compression fractures due to the metastasis to her spine.