Chapter 15: Breast Cancer
Select the agent that is administered via intramuscular injection for the treatment of metastatic estrogen receptor positive breast cancer.
Answer d is correct. Faslodex is administered by IM injection to women with ER+ metastatic breast cancer.
Answer a in incorrect. Anastrozole is administered orally to patients with ER+ metastatic breast cancer.
Answer b is incorrect. Arimidex is administered orally to patients with breast cancer
Answer c is incorrect. Herceptin is administered intravenously to patients with breast cancer characterized by an overexpression of HER2.
Which of the following conditions would be a contraindication to administration of tamoxifen for the prevention of breast cancer in a “high-risk” premenopausal patient?
a. History of deep venous thrombosis
b. First-degree relative with ER negative breast cancer
c. History of diabetes mellitus
Answer a is correct. Tamoxifen is associated with an increased risk for developing thromboembolic events. Administration of tamoxifen to prevent breast cancer is contraindicated in patients with a history of deep venous thrombosis or pulmonary emboli.
Answer b is incorrect. The estrogen receptor status of first-degree relatives is not a contraindication to prescribing tamoxifen to reduce the risk for developing breast cancer.
Answer c is incorrect. Diabetes mellitus is not a contraindication to prescribing tamoxifen to reduce the risk for developing breast cancer.
Answer d is incorrect. A history of seizures is not a contraindication to prescribing tamoxifen to reduce the risk for developing breast cancer.
A premenopausal woman with ER negative, node positive breast cancer is starting doxorubicin and cyclophosphamide adjuvant treatment. What would you recommend to determine the severity of the most common toxicity associated with this treatment regimen?
b. A complete blood count including platelets 1 week after administration of the chemotherapy
c. Serum bilirubin and aspartate transaminase
Answer b is correct. Myelosuppression (neutropenia, thrombocytopenia) is the most common treatment related adverse effect associated with this adjuvant treatment regimen. Nearly 100% of patients receiving this treatment regimen will experience myelosuppression.
Answer a is incorrect. Although doxorubicin has been associated with cardiomyopathy that ...