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Predictive value of T2-weighted magnetic resonance imaging for the prognosis of patients with mass-type breast cancer with peritumoral edema. | LitMetric

AI Article Synopsis

  • * Out of 80 patients, 35 showed edema on their MRI, which correlated with more advanced tumor stages and higher axillary lymph node metastasis rates, while no significant differences in hormone receptor expression were found.
  • * The findings suggest that edema presence could indicate a worse prognosis, but improvement in edema after neoadjuvant chemotherapy might signal a better outcome for patients.

Article Abstract

The aim of the present study was to investigate the role of edema surrounding breast cancer masses in the prognostic prediction of magnetic resonance imaging (MRI) T2-weighted fat suppression sequence. For this purpose, 80 patients with mass-type breast cancer underwent conventional plain breast MRI, dynamic contrast-enhanced (DCE)-MRI or diffusion-weighted MRI scan. The associations between edema around the mass on MRI T2 fat suppression sequence plain scan and tumor stage, pathological findings, immunohistochemical findings and axillary lymph node metastasis were analyzed. The results revealed the presence of edema around the mass on the MRI T2 fat suppression sequence plain scan in 35 patients. By contrast, there was no abnormal enhancement on the DCE-MRI, and the apparent diffusion coefficient value did not decrease in these areas. Compared with the remaining 45 patients, the 35 patients with peritumoral edema exhibited a higher tumor stage and a higher rate of axillary lymph node metastasis (all P<0.05). However, there was no significant difference in pathological classification or the expression of estrogen receptor, progesterone receptor and human epidermal growth factor receptor 2 (as determined by immunohistochemistry) between the two groups. In total, 12 cases of tumor shrinkage during neoadjuvant chemotherapy were accompanied by an improvement in edema. Taken together, the findings of the present study indicated that the presence of edema around the mass on the MRI T2 fat suppression sequence may predict poor prognosis in patients with mass-type breast cancer. Furthermore, the improvement of the peritumoral edema post-neoadjuvant chemotherapy may also be a predictor of a more favorable prognosis.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7590426PMC
http://dx.doi.org/10.3892/ol.2020.12177DOI Listing

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