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Value of the US BI-RADS final assessment following mastectomy: BI-RADS 4 and 5 lesions

Authors
 Hye Mi Gweon  ;  Eun Ju Son  ;  Ji Hyun Youk  ;  Jeong-Ah Kim  ;  Jin Chung 
Citation
 ACTA RADIOLOGICA, Vol.53(3) : 255-260, 2012 
Journal Title
 ACTA RADIOLOGICA 
ISSN
 0284-1851 
Issue Date
2012
MeSH
Adult ; Aged ; Breast Neoplasms/diagnostic imaging* ; Breast Neoplasms/surgery ; Female ; Follow-Up Studies ; Humans ; Mastectomy* ; Middle Aged ; Neoplasm Recurrence, Local/diagnostic imaging* ; Neoplasm Recurrence, Local/prevention & control ; Observer Variation ; Postoperative Complications/diagnostic imaging* ; Predictive Value of Tests ; Radiology Information Systems/statistics & numerical data* ; Reproducibility of Results ; Retrospective Studies ; Ultrasonography, Mammary/methods*
Keywords
Breast cancer ; mastectomy ; recurrence ; ultrasonography ; BI-RADS
Abstract
BACKGROUND: Clinical examination is not entirely sufficient for evaluation of the postoperative site for follow-up of patients with mastectomy. A few studies have reported that postoperative follow-up US evaluation allows early detection and proper management of local tumor recurrence. PURPOSE: To evaluate the diagnostic performance of the American College of Radiology (ACR) ultrasonographic (US) Breast Imaging Reporting and Data System (BI-RADS) categories 4 and 5 breast lesions at the mastectomy site. MATERIAL AND METHODS: Our institutional review board approved this study and waived the need for informed consent. We retrospectively reviewed the consecutive post-mastectomy US exams for palpable and non-palpable lesions in the post-mastectomy chest wall that were categorized as BI-RADS 4 (subcategorized 4a, 4b, and 4c) or 5 between January 2007 and April 2010. The positive predictive value (PPV) for final assessment was evaluated. RESULTS: From 2681 post-mastectomy US examinations, we obtained a study population of 50 patients with 50 lesions (20 palpable, 30 non-palpable). There were nine (45%) malignancies among the palpable lesions and six (20%) malignancies among the non-palpable lesions. The palpability showed no significant correlation with malignancy in overall subcategorization (P >0.05). The PPVs of categories 4 and 5 were 14.3% for category 4a, 62.5% for category 4b, 100% for category 4c, and 100% for category 5. CONCLUSION: The ACR US BI-RADS categorization of 4a, 4b, 4c, and 5 for breast lesions at the mastectomy site is a feasible method for predicting local recurrence. All lesions should be managed according to US characteristics during evaluation of local recurrence at the mastectomy site, regardless of palpability.
Files in This Item:
T201203187.pdf Download
DOI
22302210
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Gweon, Hye Mi(권혜미) ORCID logo https://orcid.org/0000-0002-3054-1532
Kim, Jeong Ah(김정아) ORCID logo https://orcid.org/0000-0003-4949-4913
Son, Eun Ju(손은주) ORCID logo https://orcid.org/0000-0002-7895-0335
Youk, Ji Hyun(육지현) ORCID logo https://orcid.org/0000-0002-7787-780X
Chung, Jin(정진)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/89386
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