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Prognostic role of MRI enhancement features in patients with breast cancer: value of adjacent vessel sign and increased ipsilateral whole-breast vascularity

Authors
Han, M; Kim, TH; Kang, DK; Kim, KS; Yim, H
Citation
AJR. American journal of roentgenology, 199(4):921-928, 2012
Journal Title
AJR. American journal of roentgenology
ISSN
0361-803X1546-3141
Abstract
OBJECTIVE: The purpose of this study was to compare adjacent vessel sign, increased ipsilateral whole-breast vascularity, and various MRI features as described in the American College of Radiology BI-RADS MRI lexicon with histopathologic predictors in patients with unilateral breast cancer.



MATERIALS AND METHODS: We retrospectively evaluated breast MRI examinations of 249 patients with histologically confirmed breast cancer. In addition to the BI-RADS MRI lexicon, the adjacent vessel sign and increased ipsilateral whole-breast vascularity of the cancer-bearing breast were evaluated by two independent observers. MRI features were then correlated with histopathologic prognostic factors.



RESULTS: The adjacent vessel sign was significantly (p=0.023 to p<0.001) associated with tumor size, lymph node metastasis, distant metastasis, nuclear grade, and expression of estrogen and progesterone receptors. Increased ipsilateral whole-breast vascularity was significantly associated with all histopathologic predictors (p=0.017 to p<0.001). In multivariate analysis, the significant and independent predictors were a spiculated margin and rim enhancement for negative estrogen and progesterone receptors, a kinetic curve type for higher histologic grade, and an increased ipsilateral whole-breast vascularity for larger tumor size, lymph node metastasis, distant metastasis, higher nuclear grade, and higher histologic grade.



CONCLUSION: In conjunction with the standard BI-RADS MRI lexicon, the adjacent vessel sign and increased ipsilateral whole-breast vascularity may serve as additional predictors of a poor prognosis.
MeSH terms
AdultAgedAged, 80 and overBreast/*blood supplyBreast Neoplasms/*blood supply/*diagnosis/pathology/surgeryFemaleHumansLymphatic Metastasis*Magnetic Resonance ImagingMiddle AgedNeoplasm MetastasisPrognosis
DOI
10.2214/AJR.11.7895
PMID
22997388
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Surgery
Journal Papers > School of Medicine / Graduate School of Medicine > Pathology
Journal Papers > School of Medicine / Graduate School of Medicine > Radiology
AJOU Authors
김, 태희강, 두경김, 구상임, 현이
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