Purpose: To evaluate the treatment outcomes after postmastectomy radiotherapy (PMRT) and chemotherapy in patients with breast cancer. Materials and Methods: The PMRT were retrospectively analyzed in 83 patients with stage II-III female breast cancer treated between 1989 and 1995. The median age was 46 years (range, 23-77): Seventy-seven patients had modified radical mastectomies, 5 radical mastectomies and 1 simple mastectomy. Three patients ($4\%$) had pathologically negative axillae, and the remaining 80 ($96\%$) had positive axillae. Eleven, 23, 44 and 5 patients had pathological stages IIA, IIB, IIIA, and IIIB, retrospectively. Eighty ($96\%$) patients were treated with hockey-stick fields. The median dose of PMRT was 50.4 ey, in 1.8 Gy fractions. Adjuvant systemic chemotherapy was given to 74 patients ($89\%$). CMF-based or doxorubicin-containing regimens were given to 54 patients ($55\%$). The median follow-up time was 82 months (range, 8-171) after the mastectomy. Results: The 5 and 10-year overall survival rates for all patients were 65 and $49\%$, respectively. The univariate and multivariate analyses of the factors affecting the overall survival revealed the stage to be the most significant prognostic factor (p=0.002), followed by the combination of chemotherapy. Thirteen patients $16\%$ developed a LRF, at an interval of 4-84 months after radiotherapy, with a median of 20 months. The only significant prognostic factor affecting LRF was the combination of chemotherapy, in both the univariate and multivariate analyses. With respect to the sequence of chemoradiation, the sequence had no saatistical significance (p=0.90). According to the time interval from mastectomy to the onset of radiotherapy, the LRFR of the patients group treated by RT within or after 6 month postmastectomy 6 months were 14 vs. $27\%$ respectively (p=0.24). One third of the pa41en1s (26/83) developed distant metastasis, in 2-92 months, after radiotherapy, with a median of 21 months. The most commonly involved site was bone in 13 cases. The pathological staging was the only significant prognostic factor in both the univariate and multivariate analyses that affected distant failure. Radiological finding of radiation pneumonitis on a simple chest x-ray was shown in $20\%$ (17/83), with a time interval ranging from 2 to 7 months post-radiotherapy, with a median of 3 months. The stable lung fibrosis settled in 11 patients ($65\%$). Conclusion: It was concluded through this analysis that the combination of PMRT with in chemotherapy resulted in better overall survival and local control than PMRT alone in patients needing PMRT.
Choi, Eun Ok;Kwon, Da Hye;Hwang-Bo, Hyun;Kim, Min Young;Ji, Seon Yeong;Hong, Su Hyun;Park, Cheol;Hwang, Hye-Jin;Choi, Yung Hyun
Herbal Formula Science
/
v.26
no.3
/
pp.223-236
/
2018
Objectives : We compared the inhibitory effects of herb-combined remedies, which were recorded on "Yooam" prescription of Dongeuibogam, on cell migration and invasion, two critical cellular processes that are often deregulated during metastasis, in B16F10 melanoma cells. For this purpose, water extracts of Sipyukmiryukieum (SYMRKU), Danjacheongpitang (DJCPT), Cheongganhaeultang (CGHUT) and Jipaesan (JPS) were used. Methods : Cytotoxicity was assessed by an MTT assay. Wound healing and matrigel transwell assays were used to examine on B16F10 cell migration and invasion. The levels of mRNA and protein expression of matrix metalloproteinases (MMPs) and tissue inhibitor of metalloproteinases (TIMPs) were analyzed by RT-PCR and Western blotting. Results : Our data showed that DJCPT showed the strongest inhibitory effect among the four prescriptions in inhibiting cell motility of B16F10 melanoma cells within the concentration range that was not cytotoxic. The inhibitory potential of colony formation was higher in DJCPT and SYMRKU compared to the other two types of prescriptions, and the inhibitory effect of invasiveness is shown in order of DJCPT, SYMRKU, CGHUT and JPS. DJCPT, and SYMRKU strongly inhibited the activity and expression of MMP-2 and MMP-9, which are important mediators in cancer invasion, compared to CGHUT and JPS, and the increased expression of TIMP-1 and TIMP-2 was also more effective in these two prescriptions. In conclusion, DJCPT is expected to exhibit the most potent blocking effect on migration and invasion among four herb-combined remedies compared in B16F10 melanoma cells. Conclusion : Overall, the results of this study will be used as an important source to validate these prescriptions in animal models and to understand the mechanism of action of herbal remedies recorded in Dongeuibogam.
Chung Eun Ji;Lee Hyung Sik;Moon Sun Rock;Kim Gwi Eon;Loh John Juhn-Kyu
Radiation Oncology Journal
/
v.9
no.1
/
pp.65-72
/
1991
One hundred and thirty five patients with carcinoma of the nasopharyx were treated by radiation therapy in the Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University between August 1977 and July 1987. Of the 30 patients omitted: 8 had distant metastases at initial diagnosis or during radiotherapy; 18 Patients refused or did not receive a full course of radiation therapy, and four had not been confirmed histologically. The remaining 105 patients were analysed to determine the incidence and pattern of distant metastases. Diagnosis of distant metastases was made based on clinical signs and radiography, even though histologic confirmation was not made. Twenty-six patients developed distant metastases after definite irradiation of nasopharyx and neck, an incidence rate of $24.8\%$ . The common sites of distant metastases were, in descending order, bone, lung, liver, and brain. There was a strong correlation between Ho's N stage and distant metastases rate. But sex, age, histologic subtype (squamous cell and undifferentiated cell), AJC T and N stage, treatment modalities (radiotherapy alone and radiotherapy combined with chemotherapy) were not significant. Of those patients who developed distant metastases, $80.8\%$ were discovered within 2 years of their radical radiotherapy. The prognosis for nasopharyngeal carcinoma patients developing distant metastases was poor: median survival was nine months and $80\%$ of those patients died within two years of the initial diagnosis of distant metastasis.
Kim Ju Ree;Kang Seung Hee;Yang Kwang Mo;Suh Hyun Suk
Radiation Oncology Journal
/
v.10
no.1
/
pp.43-48
/
1992
Between December 1983 and December 1989, twenty-five breast carcinoma patients were treated with surgical resection and postoperative radiotherapy at Inje University Seoul Paik Hospital. Twenty-three of 25 were evaluable and there were 7 patients with stage II ,14 patients with stage III, and 2 patients with stage IV. Twenty-one patients were treated with modified radical mastectomy and the remained 2 patients with simple mastectomy. The follow-up period ranged from 2 to 8 years. The local control rate was $83\%$ for the entire group. The local control rates for each stage were $100\%$(6/6) for stage II, $73\%$(11/15) for stage III, and $100\%$(2/2) for stage IV. The number of metastatic axillary nodes was a good predictor of locoregional cotrol. It was $100\%$ for the patients with 0-3 metastatic nodes and $72\%$ for more than 4 nodes, respectively. The 5-year overall survival rate for the entire group was $59\%$, and the disease-free survival rate was $32\%$, The 5-year survival rates for each stage II, III and IV was $83\%$, $59\%$ and $50\%$, respectively. The distant metastasis occured in 10 out of 23 patients and the most common site was bone. The results indicate that postoperative radiotherapy continues to play an important role in the primary.
Kim, Hak-Ryul;Jung, Jong-Hoon;Kim, Hwi-Jung;Yang, Sei-Hoon;Jeong, Eun-Taik
Tuberculosis and Respiratory Diseases
/
v.57
no.5
/
pp.443-448
/
2004
Background : Small-cell carcinomas of lung have a tendency for rapid growth and early wide metastasis. Despite the high response rates of combination chemotherapy alone or with radiotherapy, the overall long-term survival rate is very disappointing. According to autopsy findings, the common cause of failure is local recurrence in the primary cancer site. Therefore, surgical resection with combined chemotherapy has recently been attempted for very early stage small-cell carcinomas of the lung. Methods : 10 patients (TNM I & II: 5 cases each) undergoing surgical resection for small-cell carcinomas of the lung were treated with adjuvant chemotherapy in an attempt to prolong survival. Of these, 9 patients received chemotherapy, and a retrospective study for survival undertaken (Kaplan-Meier analysis). Results : The median survival time was 26 months, and the 2- and 5-year survival rates were 68.6 and 46.7%, respectively. If the 1 patient not having undergone chemotherapy was excluded, the 2-, 5-year survival rates were 76.2 and 50.8%, respectively? No difference in the survival rate was seen between patients with TNM stages I and II. Conclusion : Adjuvant chemotherapy after surgical resection results in prolonged survival for patients with TNM stages I and II small-cell carcinomas of the lung.
Kim, Eok-Cheon;Kim, Seo Ho;Lee, Jin-Ho;Kim, Tack-Joong
Journal of Life Science
/
v.27
no.1
/
pp.78-88
/
2017
Angiogenesis, the formation of new blood vessels, plays an important role in tumor growth and metastasis; therefore, it has become an important target in cancer therapy. Novel anticancer pharmaceutical products that have relatively few side effects or are non-cytotoxic must be developed, and such products may be obtained from traditional herbal medicines. Coptis chinensis Franch. is an herb used in traditional medicine for the treatment of inflammatory diseases and diabetes. However, potential antiangiogenic effects of C. chinensis water extract (CCFWE) have not yet been studied. The purpose of this study was to determine the antiangiogenic effect of CCFWE in order to evaluate its potential for an anticancer drug. We found that the treatment with CCFWE inhibited the major steps of the angiogenesis process, such as the endothelial cell proliferation, migration, invasion, and capillary-like tube formation in response to vascular endothelial growth factor (VEGF), and also resulted in the growth inhibition of new blood vessels in an ex vivo rat aortic ring assay. We also observed that CCFWE treatment arrested the cell cycle at the G0/G1 phase, preventing the G0/G1 to S phase cell cycle progression in response to VEGF. In addition, the treatment reduced the VEGF-induced activation of matrix metalloproteinases 2 and 9. Taken together, these findings indicate that CCFWE should be considered a potential anticancer therapy against pathological conditions where angiogenesis is stimulated during tumor development.
Objective : We retrospectively evaluated the efficacy of Gamma Knife radiosurgery (GKS) for recurrent nasopharyngeal carcinoma (NPC) in patients who previously underwent radiotherapy, and analyzed the treatment outcomes over 14 years. Methods : Ten patients with recurrent NPC who had previously received radiotherapy underwent stereotactic radiosurgery using a Gamma Knife® (Elekta Inc, Atlanta, GA, USA) between 2005 and 2018. The median target volume was 8.2 ㎤ (range, 1.7-17.8), and the median radiation dose to the target was 18 Gy (range, 12-30). The median follow-up period was 18 months (range, 6-76 months). Overall and local failure-free survival rates were determined using the Kaplan-Meier method. Results : The NPCs recurred at the primary cancer site in seven patients (70%), as distant brain metastasis in two (20%), and as an extension into brain in one (10%). The recurrent tumors in seven of the 10 patients (70%) were found on the routine follow-up imaging studies. Two patients presented with headache and one with facial pain. Local failure after GKS occurred in five patients (50%) : two of whom died eight and 6 months after GKS, respectively. No adverse radiation effects were noted after GKS. The 1- and 3-year overall survival rates after GKS were 90% and 77%, respectively. The local failure-free survival rates at 6 months, 1 year, and 3 years after GKS were 80%, 48%, and 32%, respectively. The median interval from GKS to local failure was 8 months (range, 6-12). Univariate analysis revealed that using co-registration with positron emission tomography-computed tomography (PET-CT) and magnetic resonance imaging (MRI) was associated with a lower local failure rate of recurrent NPC (p=0.027). Conclusion : GKS is an acceptable salvage treatment option for patients with recurrent NPC who previously received radiation therapy. PET-CT and MRI co-registration for dose planning can help achieve local control of recurrent NPC.
Park, Hyun-Min;Lee, Dong-Geun;Shin, Kyung-Jin;Yoon, Tae-Young;Lee, Ji-Yeoun;Sung, Ro-Hyun;Song, Hyung-Geun;Lee, Dong-Wook;Lee, Eui-Tai
Archives of Plastic Surgery
/
v.38
no.6
/
pp.883-885
/
2011
Purpose: Nevus sebaceus is a congenital hamartomatous lesion, typically involving head and neck. Various benign and malignant neoplasms can develop in association with nevus sebaceus. We report a case of simultaneous occurrence of squamous cell carcinoma and basal cell carcinoma in nevus sebaceus. Methods: A 73-year-old man presented with erythematous to black verrucous nodules on the right subauricular area. The upper part was accompanied with inflammation and ulceration, and no specific findings suspicious for malignant degeneration were found in the lower part preoperatively. The mass was totally excised and the defect was directly closed. Lymph nodes were not involved on concomitant neck dissection. Results: Histopathologic examination confirmed the presence of squamous cell carcinoma in the upper part and basal cell carcinoma in the lower part of a nevus sebaceus. Negative margins were achieved on resection. No clinical problems were found during the 3-month follow-up period. Conclusion: We experienced a rare case of simultaneous occurrence of squamous cell carcinoma and basal cell carcinoma within the same nevus sebaceus. Because patients with nevus sebaceus have risk of malignant changes, surgical excision and work-up for recurrence and metastasis should be considered in suspicious cases. And even in a totally asymptomatic case, the possibility of occult secondary cancer should be informed before surgery in aged patients.
Kim, Do-Hoon;Park, So-Jeong;Lee, Seung-Yeon;Yoon, Hyun-Seo;Park, Chung Mu
Korean Journal of Clinical Laboratory Science
/
v.50
no.3
/
pp.337-344
/
2018
Hepatocellular carcinoma (HCC), a major type of hepatoma, is associated with high recurrence and mortality because of its uncontrolled metastatic feature. Silymarin is a polyphenolic flavonoid from Silybum marianun (milk thistle) and exhibits anti-carcinogenic activity through modulation of the epithelial-mesenchymal transition (EMT) in several cancer cells. In this study, the inhibitory mechanism of silymarin against migration and invasion was investigated in the Huh7 HCC cell line. Wound healing and in vitro invasion assays were conducted to examine the effects of silymarin on migration and invasion. Western blot analysis was also applied to evaluate the inhibitory effects of silymarin on the EMT-related genes and their upstream signaling molecules. Silymarin inhibited the migratory and invasive activities of Huh7 cells. In addition, silymarin attenuated the protein expression levels of vimentin and matrix metalloproteinase (MMP)-9 as well as their transcription factors, Snail, and nuclear factor $(NF)-{\kappa}B$, while the expression of E-cadherin was increased by the silymarin treatment. Among the upstream signaling molecules, the phosphorylation of Akt was inhibited by the silymarin treatment, which was confirmed by the selective inhibitor, LY294002. Consequently, silymarin inhibited the invasive and migratory activities in Huh7 cells through the modulation of EMT-related gene expression by the PI3K/Akt signaling pathway, which may have potential as a chemopreventive agent against HCC metastasis.
Kim, Jinsup;Lee, Na Hee;Lee, Soo Hyun;Yoo, Keon Hee;Sung, Ki Woong;Koo, Hong Hoe;Seo, Jeong-Meen;Lee, Suk-Koo
Clinical and Experimental Pediatrics
/
v.58
no.10
/
pp.386-391
/
2015
Purpose: To evaluate the outcomes and prognostic factors in children with extracranial germ cell tumors (GCTs) treated at a single institution. Methods: Sixty-six children diagnosed with extracranial GCTs between 1996 and 2012 were included in the study. Primary treatment was surgical excision, followed by six cycles of cisplatin-based chemotherapy. The survival rates were compared according to the International Germ Cell Cancer Cooperative Group classification used for GCTs in adults to validate the classification guidelines for GCTs in children. Results: The median patient age was 4.4 years. In 34 patients (51.5%), the primary tumor site was the gonad. Extragonadal GCTs were detected in 32 patients. The 5-year overall survival and event-free survival (EFS) were $92.0%{\pm}3.5%$ and $90.4%{\pm}3.7%$, respectively. In univariate analysis, tumor histology, metastasis, and elevated alpha-fetoprotein were not prognostic factors in children with extracranial GCTs. However, EFS was poorer in patients with mediastinal disease (n=12, $66.7%{\pm}13.6%$) than in those with nonmediastinal disease (n=54, $96.0%{\pm}2.8%$) (P=0.001). The 5-year EFS was lower in patients older than 10 years, (n=21, $80.0%{\pm}8.9%$) compared with those younger than 10 years (n=45, $95.2%{\pm}3.3%$) (P=0.04). Multivariate analysis identified the mediastinal tumor site as the only independent prognostic factor. Conclusion: The prognosis of children with extracranial GCTs was favorable. However, nongerminomatous mediastinal tumors were associated with poor survival in children. Further research is needed to improve the prognosis of children with malignant mediastinal GCTs.
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