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Power Doppler sonography: evaluation of solid breast lesions and correlation with lymph node metastasis

 Jin Young Kwak  ;  Eun-Kyung Kim  ;  Min Jung Kim  ;  Seon Hyeong Choi  ;  Eunju Son  ;  Ki Keun Oh 
 CLINICAL IMAGING, Vol.32(3) : 167-171, 2008 
Journal Title
Issue Date
Adolescent ; Adult ; Aged ; Aged, 80 and over ; Breast Diseases/diagnostic imaging ; Breast Diseases/pathology ; Breast Neoplasms/blood supply ; Breast Neoplasms/diagnostic imaging* ; Breast Neoplasms/pathology ; Carcinoma, Ductal, Breast/diagnostic imaging* ; Carcinoma, Ductal, Breast/secondary ; Chi-Square Distribution ; Diagnosis, Differential ; Evaluation Studies as Topic ; Female ; Humans ; Lymph Nodes/pathology* ; Lymphatic Metastasis ; Middle Aged ; Probability ; Prognosis ; Prospective Studies ; Sensitivity and Specificity ; Ultrasonography, Doppler/methods* ; Ultrasonography, Mammary/methods*
Breast ; Breast neoplasms ; Diagnosis ; Breast neoplasms ; Sonography
OBJECTIVE: The purpose of this study was to assess the role of power Doppler US in differentiating benign from malignant solid breast masses when used in conjunction with grayscale sonography (US) and the relationship with axillary lymph node metastasis.

SUBJECTS AND METHODS: Grayscale US of 353 solid lesions was categorized using the US BI-RADS final assessment system prospectively. On power Doppler US, the presence of identified or penetrating vessels within the mass was evaluated, respectively. Diagnostic accuracy was calculated at grayscale US with and without power Doppler US. Among malignant cases, tumor vascularity was correlated with lymph node involvement.

RESULTS: When the size of the masses was controlled, the identified or penetrating vessels were significantly more frequent in malignant lesions (P<.05). By using the identified and penetrating vessels in the mass as one of the diagnostic criteria for malignancy, the diagnostic accuracy was improved. In 54 infiltrating ductal carcinomas, although lymph node involvement was more frequently seen in the group having identified or penetrating vessels (40 and 35.3%) than in the avascular group (16.7 and 27%), it was not statistically significant (P>.05).

CONCLUSION: We suggest that identified or penetrating vessels within the mass on power Doppler US can be one of the malignant criteria.
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1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kwak, Jin Young(곽진영) ORCID logo https://orcid.org/0000-0002-6212-1495
Kim, Min Jung(김민정) ORCID logo https://orcid.org/0000-0003-4949-1237
Kim, Eun-Kyung(김은경) ORCID logo https://orcid.org/0000-0002-3368-5013
Son, Eun Ju(손은주) ORCID logo https://orcid.org/0000-0002-7895-0335
Oh, Ki Keun(오기근)
Choi, Seon Hyeong(최선형)
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