Predictive factors of invasive cancer in patients with biopsyproven ductal carcinoma in situ: an indicator to sentinel lymph node biopsy in management of ductal carcinoma in situ Poster No.: C-0925 Congress: ECR 2011 Type: Scientific Paper Authors: K. E. Lee, H. H. Kim, H. J. Shin, J. H. Cha, O. H. Woo; Seoul/KR Keywords: Breast, Mammography, Ultrasound, MR, Treatment effects, Diagnostic procedure, Metastases DOI: 10.1594/ecr2011/C-0925 Any information contained in this pdf file is automatically generated from digital material submitted to EPOS by third parties in the form of scientific presentations. References to any names, marks, products, or services of third parties or hypertext links to thirdparty sites or information are provided solely as a convenience to you and do not in any way constitute or imply ECR's endorsement, sponsorship or recommendation of the third party, information, product or service. ECR is not responsible for the content of these pages and does not make any representations regarding the content or accuracy of material in this file. As per copyright regulations, any unauthorised use of the material or parts thereof as well as commercial reproduction or multiple distribution by any traditional or electronically based reproduction/publication method ist strictly prohibited. You agree to defend, indemnify, and hold ECR harmless from and against any and all claims, damages, costs, and expenses, including attorneys' fees, arising from or related to your use of these pages. Please note: Links to movies, ppt slideshows and any other multimedia files are not available in the pdf version of presentations. www.myESR.org Page 1 of 18 Purpose The purspose of this study is to determine whether imaging, clinical or pathologic features can be used to predict LN metastasis and suggest sentinel LN biopsy (SLNB) in patients with biopsy-proven DCIS. Images for this section: Fig. 1 Page 2 of 18 Fig. 2 Page 3 of 18 Fig. 3 Page 4 of 18 Methods and Materials 1. Patient selection - From March 2004 to December 2009 - 487patients with biopsy proven DCIS 2. Patient evaluation - Clinical evaluation - Imaging evaluation - pathological evaluation 3. Statistical analysis Images for this section: Page 5 of 18 Fig. 1 Page 6 of 18 Fig. 2 Page 7 of 18 Fig. 3 Page 8 of 18 Results 1. LN evaluation and follow-up 2. Histological underestimation 3. Histological LN evaluation 4. Significant predictive factors - on univariate analysis - on multivariate analysis 5. ROC analysis Images for this section: Page 9 of 18 Fig. 1 Page 10 of 18 Fig. 2 Page 11 of 18 Fig. 3 Page 12 of 18 Fig. 4 Page 13 of 18 Fig. 5 Page 14 of 18 Fig. 6 Page 15 of 18 Fig. 7: A 44 year-old female with left breast bloody nipple discharge. Page 16 of 18 Fig. 8: A 56 year-old female with screening abnormality. Page 17 of 18 Conclusion 1. SLNB can be performed appropriately in patients with biopsy proven DCIS 2. SLNB is not indicated in all patients with biopsy proven DCIS - Because of low incidence of axillary L metastsis in pure DCIS - If the patient has biopsy proven DCIS which is large size on USG, SLNB should be performed. References 1. Mittendorf ME, Arciero CA, Gutchell V, et al. Core biopsy diagnosis of ductal carcinoma in situ: An indication for sentinel lymph node biopsy. Current surgery 2005; 62(2): 253-257. 2. Takacs T, Paszt A, Szentpali K, el al. Importance of sentinel lymph node biopsy in surgical therapy of in situ breast cancer. Pathol. Oncol. Res. 2009; 15: 329-333. 3. Goyal A, Douglas-Jones A, Monypenny I, el al. Is there a role of sentinel lymph node biopsy in ductal carcinoma in situ?: analysis of 587 cases. Breast cancer research and treatment 2006; 98: 311-314. 4. Hung WK, Ying M, Chan M, el al. The impact of sentinel lymph node biopsy in patients with a core biopsy diagnosis of ductal carcinoma in situ. Breast cancer. 2009; s12282-009-0164-2 5. Sakr R, Antoine M, Barranger E, el al. Value of sentinel lymph node biopsy in breast ductal carcinma in situ upstaged to invasive carcinoma. The breast journal 2008; 14(1): 55-60. Personal Information Page 18 of 18
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