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Lee, Han-Byoel,Kang, Un-Beom,Moon, Hyeong-Gon,Lee, Jiwoo,Lee, Kyung-Min,Yi, Minju,Park, Yong Sun,Lee, Jong Won,Yu, Jong-Han,Choi, Seung Ho,Cho, Sang Heon,Lee, Cheolju,Han, Wonshik,Noh, Dong-Young Potamitis Press 2015 Anticancer research Vol.35 No.11
<P>We aimed to develop a plasma protein signature for breast cancer diagnosis by using multiple reaction monitoring (MRM)-based mass spectrometry.</P>
Prognostic effects of abnormal DNA damage response protein expression in breast cancer
Suh, Koung Jin,Ryu, Han Suk,Lee, Kyung-Hun,Kim, Hyojin,Min, Ahrum,Kim, Tae-Yong,Yang, Yaewon,Lee, Han-Byoel,Moon, Hyeong-Gon,Han, Sae-Won,Oh, Do-Youn,Han, Wonshik,Park, In Ae,Noh, Dong-Young,Im, Seock Springer-Verlag 2019 Breast cancer research and treatment Vol.175 No.1
The Clinicopathological Characteristics of Palpable and Non-palpable Breast Cancer
Dongju Kim,Soo Jung Lee,Byung Kyun Ko,Han-Byoel Lee,Jung Han Yoon,Seok Won Lee,전예원,Bong Kyun Kim,Jina Lee,선우영 한국유방암학회 2020 Journal of Breast Disease Vol.8 No.2
Purpose: Palpability is known to be a poor prognostic factor for breast cancer. The present study analyzed the clinicopathological characteristics and outcomes of palpable and nonpalpable breast cancers using big data. Methods: Between January 2005 and May 2019, a total of 15,141 patients were enrolled. All patients were diagnosed with invasive ductal carcinomas. Patients with unclear medical records, multiple tumors, bilateral breast cancers, inflammatory breast cancers, inoperable breast cancers and distant metastasis were excluded. Patients were divided into the palpable and nonpalpable breast cancer groups based on physicians’ clinical examinations. The clinicopathological characteristics and disease-specific survivals (DSS) were analyzed. Results: Patients with palpable breast cancers were younger, had larger tumors, and higher tumor-node-metastasis stage (p<0.001) than patients with nonpalpable breast cancers. Palpable breast cancer cases had higher rates of lympho-vascular invasion, higher histologic and nuclear grades than nonpalpable breast cancer cases (p<0.001). The positive proportion of hormone receptor was higher in the nonpalpable breast cancer group than in the palpable breast cancer group, but that of human epidermal growth factor receptor 2 was higher in the palpable breast cancer group than in the nonpalpable breast cancer group (p<0.001). The Ki-67 index was higher in the palpable breast cancer group than in the nonpalpable breast cancer group (p<0.001). Total mastectomy and axillary dissection were performed more frequently in the palpable breast cancer group than in the nonpalpable breast cancer group (p<0.001). Adjuvant chemotherapy was administered more frequently in the palpable breast cancer group than in the nonpalpable breast cancer group. However, radiotherapy and hormonal therapy were performed more frequently in nonpalpable breast cancer group than in the nonpalpable breast cancer group (p<0.001). According to a multivariate analysis, younger age, lower body mass index, larger tumor size, tumor location, higher stage, higher histologic grade and higher Ki-67 index were associated with palpability (p<0.001). DSS was significantly lower in the palpable breast cancer group than in the nonpalpable breast cancer group (p<0.001). Conclusion: Palpable breast cancers tend to be triple negative breast cancers and have higher histologic grade and, Ki-67 index and worse prognosis than nonpalpable breast cancers. Therefore, based on the results of the present study, treating palpable breast cancers requires careful attention.
Hanjong Shin,Han-Byoel Lee,Wonshik Han,Dong-Young Noh,Hyeong-Gon Moon 한국유방암학회 2015 Journal of Breast Disease Vol.3 No.2
Purpose: We aimed to evaluate the incidence of multifocal and bilateral lobular carcinoma in situ (LCIS) of the breast in Korean women. Add-itionally, we explored the characteristics of current breast imaging studies and evaluated their roles in detecting multifocal and bilateral lesions in LCIS patients. Methods: Between January 2000 and December 2013, we identified 48 patients with pure LCIS who underwent curative surgery at our institution. The pathological findings and the results of various imaging studies were reviewed. Results: All patients underwent mammography and ultrasonography prior to surgery, and 35 patients (72.9%) also received breast magnetic resonance imaging (MRI). The most common radiologic features of LCIS were the presence of microcalcifications (66.7%) and irregularly shaped masses (64.6%) on mammography and ultrasonography, respectively. MRI often showed the presence of irregularly enhanced mass-like lesions (91.4%). Add-itional suspicious lesions in the ipsilateral breast were identified in 19 (39.6%) and 16 (45.7%) patients on ultrasonography and MRI, respectively. Among them, nine (47.4%) were malignant lesions. In the contralateral breast, there were 14 (29.2%) and 11 (31.4%) lesions requiring biopsy on ultrasonography and MRI, respectively, and eight of these were found to be malignant lesions. All suspicious lesions detected by MRI were also seen on ultrasonography. In total, 20.8% (10/48) of the patients had ipsilateral LCIS, and 16.7% (8/48) had contralateral malignancies. Conclusion: Our study demonstrates that in Korean women, LCIS is associated with a high incidence of ipsilateral and contralateral malignancies. However, breast MRI had a limited role in detecting additional malignant tumors in LCIS patients.