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1.
Chinese Journal of Oncology ; (12): 401-405, 2018.
Article in Chinese | WPRIM | ID: wpr-806722

ABSTRACT

Osteoblastic metastasis of breast cancer is relatively rare, but there are cases of misdiagnosis and mistreatment in clinical treatment. They can only be diagnosed by X ray or CT bone scan and must be identified from bone repair after effective treatment in patients with osteolytic or mixed bone metastases. Bone metastasis is often seen in the disease-free condition of breast cancer, and very few can occur in stage Ⅳ lesions prior to surgery. Based on the analysis of clinical phenomena, we questioned the evaluation criteria of the therapeutic effect on bone metastasis of breast cancer created by the World Health Organization and the MD Anderson Cancer Center and concluded the formation mechanism of bone metastasis. For patients with simple osteoblastic bone metastasis, we broke through the recommendations of the National Comprehensive Cancer Network guideline and advocated the concept of "noninterference" . Patients with positive hormone receptor can be treated with traditional endocrine therapy. Hormone receptor negative and/or human epidermal growth factor receptor 2 positive patients can be observed first, followed by chemotherapy and/or targeted therapy when there is osteolytic bone metastasis or visceral metastasis. Furthermore, bisphosphonates are not required since osteoblastic bone metastasis is generally not associated with the risk of bone related events. The active treatment of primary lesion should be taken into account in stage Ⅳ patient before operation.

2.
Chinese Journal of Oncology ; (12): 161-165, 2017.
Article in Chinese | WPRIM | ID: wpr-808381

ABSTRACT

Skeleton is one of the most common metastatic organs for breast cancer, which has a better prognosis than visceral metastases. Bone-only metastasis was defined"non-measurable" in the RECIST (Response Evaluation Criteria in Solid Tumors) criteria, and was excluded by clinical trials. However, patients with bone-only metastasis are also in need of effective treatment to prolong survival. Endocrine therapy is the most important treatment for bone metastatic patients. Tumor response of bone metastases can be determined objectively by bone-window CT. Effective treatment should be continued if the symptoms are relieved or osteogenesis is observed. Osteoblastic change in bone-window CT is a sign of improvement after treatment. Endocrine therapy is proper for ER-positive patients. The patients with initial osteoblastic metastasis should not be treated with salvage chemotherapy or anti-HER2 treatment, only if osteolytic metastasis or visceral metastasis is observed. Bishosphonates are just auxiliary drugs in bone metastasis, which should not be abused.

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