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수질성유방암의 임상병리학적 특성과 예후

Other Titles
 Clinical Analysis of Medullary Carcinoma of the Breast 
 오재원  ;  박세호  ;  김주희  ;  구자승  ;  허 호  ;  양우익  ;  박병우  ;  이경식 
 JOURNAL OF BREAST CANCER, Vol.12(1) : 45-51, 2009 
Journal Title
Issue Date
Invasive ductal carcinoma ; Medullary carcinoma of the breast
Purpose Medullary carcinoma of the breast is a variant of breast cancer characterized by the histologic appearance of poorly differentiated cells surrounded by a prominent lymphoid stroma. Medullary carcinoma has been reported to carry a prognosis better than other invasive breast carcinomas, but it is frequently overdiagnosed due to the difficulty in diagnosis. The aim of this study was to assess the clinical manifestations and outcome of medullary carcinoma of the breast. Methods We reviewed the data of 91 patients diagnosed with medullary carcinoma and 3,743 patients with invasive ductal carcinoma, not otherwise specified (NOS) from January 1980 to December 2005 at Yonsei University Severance Hospital. The clinicopathologic features, disease free survival (DFS) and overall survival (OS) for patients with medullary carcinoma were compared with those of the NOS patients. Results With reviewing the pathologic slides, 69 (75.8%) patients had findings compatible with typical medullary carcinoma (TMC) and the remaining 22 (24.2%) patients were reclassified as atypical medullary carcinoma (AMC). Early stage cancer was more frequent at medullary carcinoma and lymph node positive cancer was less frequent at medullary carcinoma. The expression of ER/PR was positive in either the TMC (18.9%/16.2%) and AMC (15.0%/20.0%) as compared to the NOS (63.2%/57.2%), and the difference was significant (p<0.001). In contrast, the HER-2/neu expression rate was significantly higher in the TMC (47.4%) and AMC (45.5%) than in the NOS (28.3%, p=0.001). The 10-year disease free survival and 10-year overall survival of the atypical medullary carcinoma patients (67.8%, 77.8%) were in fact similar to the NOS carcinoma patients (68.3%, 74.7%). There was significant difference in 10-year disease free survival and 10-year overall survival between the TMC (77.8%, 86.0%) and NOS carcinoma (68.3%, 74.7%) patients (p=0.002, p=0.006). Conclusion The clinical outcome of typical medullary carcinoma is favorable in spite of its aggressive pathologic features and it differs from atypical medullary carcinoma. For precise prediction of prognosis of medullary cancer, we should apply strict criteria for the diagnosis of subtype with medullary features.
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1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Koo, Ja Seung(구자승) ORCID logo https://orcid.org/0000-0003-4546-4709
Kim, Joo Hee(김주희)
Park, Byeong Woo(박병우) ORCID logo https://orcid.org/0000-0003-1353-2607
Park, Se Ho(박세호) ORCID logo https://orcid.org/0000-0001-8089-2755
Yang, Woo Ick(양우익) ORCID logo https://orcid.org/0000-0002-6084-5019
Oh, Jae Won(오재원)
Lee, Kyong Sik(이경식)
Hur, Ho(허호)
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