Cộng hưởng từ tuyến vú ở bệnh nhân ung thư vú thể ẩn có di căn hạch nách

Mr imaging of the breast in patients with occult primary breast cancer presenting as an axillary metastasis

SUMMARY:

Purpose: To access the value of MRI in the diagnosis of occult primary cancer with axillary metastasis.

Methods and Materials: 12 patients occult breast cancer with malignant axillary adenopathy and negative on mammographic, echography and physical examination findings, were underwent contrast material-enhanced MR imaging in Hanoi medical university hospital.

Results: The sensitivity of MRI in the diagnosis of occult primary cancer with axillary metastases was 83%. MR imaging depicted small cancers from 3 to 12mm diameter. Of the 12 patients, three patients were underwent mastectomy, five were underwent lobectomy, and four were underwent breast-conservation therapy.

Conclusion: MR imaging is very sensitive for the detection of occult breast cancer with malignant axillary adenopathy. MR imaging offers potential not only for cancer detection but also for staging the cancer within the breast, which may be useful for treatment planning. Keywords: dynamic breast MRI, occult breast cancer