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Ultrasound Imaging-guided Intracardiac Injection to Develop a Mouse Model of Breast Cancer Brain Metastases Followed by Longitudinal MRI

Ultrasound Imaging-guided Intracardiac Injection to Develop a Mouse Model of Breast Cancer Brain Metastases Followed by Longitudinal MRI

Published on: March 6, 2014

Radiotherapeutic Management of Brain Metastases from Breast Cancer.

Hayakawa¹, Yamakawa, Mitsuhashi

¹Department of Radiology and Raiation Oncology, Gunma University School of Medicine, 3-39-22 Showa-Machi, Maebashi 371, Japan.

Breast Cancer (Tokyo, Japan)

|November 25, 2000

Summary

Radiotherapy effectively treats brain metastases in breast cancer patients, improving neurological function in 92%. Long-term survival is possible, but careful management is needed to avoid severe complications.

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Ultrasound Imaging-guided Intracardiac Injection to Develop a Mouse Model of Breast Cancer Brain Metastases Followed by Longitudinal MRI

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Published on: March 6, 2014

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Published on: June 7, 2020

Modeling Brain Metastasis by Internal Carotid Artery Injection of Cancer Cells

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Area of Science:

Oncology
Radiation Oncology
Neurology

Background:

Brain metastases are a common complication of breast cancer.
Effective treatment strategies for breast cancer brain metastases are crucial for improving patient outcomes and quality of life.

Purpose of the Study:

To evaluate the efficacy and safety of radiotherapy for breast cancer patients with brain metastases.
To identify prognostic factors influencing survival in this patient population.

Main Methods:

Retrospective review of 28 breast cancer patients with brain metastases treated with radiotherapy between 1980 and 1994.
Radiotherapy included whole brain irradiation, with some patients receiving a boost or stereotactic irradiation.
Radiation doses ranged from 32 Gy to 60 Gy.

Main Results:

Neurologic functional improvement was observed in 92% of evaluable patients (12 complete response, 12 partial response).
Five-year survival from initial treatment was 39%, and 10-year survival was 16% (median survival 50 months).
Survival after brain metastasis treatment was 29% at 1 year and 18% at 2 years (median survival 6 months).
Liver metastasis was a significant negative prognostic factor (p=0.056).
Two patients experienced severe chronic complications: dementia and brain necrosis.

Conclusions:

Radiotherapy is an effective treatment for breast cancer brain metastases, leading to significant neurological improvement.
Long-term survival is achievable, even with extracranial metastases, excluding hepatic involvement.
Minimizing radiation-related complications is essential for optimizing patient outcomes.