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RISS 인기검색어
- 검색키워드
- 저자 : Akmansu, Muge (검색결과 5 건)
- 무료
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Oral Glutamine Supplementation Reduces Radiotherapy-induced Esophagitis in Lung Cancer Patients
Gul, Kanyilmaz,Muge, Akmansu,Taner, Atasever,Sehri, Elbag Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.1
Background: The purpose of this study was to assess the the efficacy of oral glutamine (GLN) in prevention of acute radiation-induced esophagitis in patients with lung cancer and determine the predictive role of clinical and dosimetric parameters. Materials and Methods: Thirty-two patients diagnosed with lung cancer were studied prospectively. Sixteen patients (50%) received prophylactic powdered GLN orally in doses of 10g/8h. Patients were treated 2 Gy per fraction daily, 5 days a week. We evaluated the grading of esophagitis daily at the end of each fraction of each treatment day until a cumulative dose of 50 Gy was reached. The primary end point was radiation-induced esophagitis. Results: All patients tolerated GLN well. Toxicity grade, weight loss, serum cytokine levels and esophageal transit times exhibited statistically significant improvement in the GLN receiving group. GLN suppressed the inflammation related to the disease and treatment and reduced toxicity with statistical significance. Conclusions: This study suggests a benefical role of oral GLN use in prevention and/or delay of radiation-induced esophagitis, in terms of esophageal transit time and serum immunological parameters, as well as weight loss.
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Lymph Node Ratio Assessment of Brain Metastasis in Early Breast Cancer Cases
Demircioglu, Fatih,Demirci, Umut,Akmansu, Muge Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.3
Background: Ten to 30% of early breast cancer (EBC) patients develop brain metastasis (BM) during their follow-up. In this study, we aimed to evaluate importance of the lymph node ratio (LNR) in development of BM in EBC cases. Materials and Methods: Ninety patients whom had axillary metastases in lymph nodes at their initial diagnosis and developed BM during 5-year follow-up were detected in 950 EBC patients. LNR values were calculated for all patients and after categorization into 4 molecular sub-types as luminal A, luminal B HER-2 (+), HER-2 overexpressing and basal- like. Comparison was with control group patients who had similar characteristics. Results: In the comparison of all molecular sub-types of LNR, 54.9% and 28.4% values were found in patients with and without BM respectively (p<0.001). In the comparison of the LNR with control groups, a statistically significant differences were found with luminal A with BM (p=0.001), luminal B HER-2 (p=0.001), HER-2 overexpressing (p=0.027) and basal-like groups (p<0.001). In the evaluation of patients with BM, the highest ratio was found in the basal-like group (67.9%) and there was a statistically significant difference between this group and the others (p=0.048). Conclusions: EBC patients developing BM within 5 years follow-up had significantly higher LNRs for all molecular sub-types, especially in the basal-like group. Larger scale studies are now needed for evaluating LNR prognostic importance for EBC regarding BM development.
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Kanyilmaz, Gul,Ekinci, Ozgur,Muge, Akmansu,Celik, Sevinc,Ozturk, Furkan Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.1
Background: Development of squamous cell cancer of head and neck (SCCHN) is associated with human papillomavirus (HPV) infection, which in turn is closely related with expression of $p16^{INK4A}$. Loss of $p16^{INK4A}$ expression by deletion, mutation, or hypermethylation is common in SCCHN. We here evaluated $p16^{INK4A}$ as a prognostic marker of treatment response and survival in our SCCHN patients with laryngeal, hypopharyngeal or nasopharyngeal cancers. Materials and Methods: 131 patients diagnosed with SCCHN between January 2,2006 and July 17, 2010 were examined for $p16^{INK4A}$. The median age was 60 years (15-82 years). Fifty one patients were stage I-II and 80 were stage III-IV. Immunohistochemical expression of $p16^{INK4A}$ was analyzed in pretreatment paraffin-embedded tumor blocks. The influence of $p16^{INK4A}$ status on disease-free survival, and overall survival after treatment was evaluated. Results: $p16^{INK4A}$ positivity was found in 58 patients (44%). Tumor-positivity for$ p16^{INK4A}$ was correlated with improved disease free survival (70.1 months vs 59 months) and improved overall survival (2, 3 and 5-year values; 77% vs 72%, 70% vs 63% and, 63% vs 55%; respectively). On multivariate analysis, stage was determined as independent prognostic factor for disease-free survival. Conclusions: Stage was the major prognostic factor on treatment response and survival in our patients. $p16^{INK4A}$ status predicts better outcome in laryngeal, hypopharyngeal or nasopharyngeal cancer cases treated with surgery plus adjuvant radiochemotherapy as well as with definitive radiation therapy and/or chemotherapy.
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Collagenous Fibroma (Desmoplastic Fibroblastoma)
Muharrem Dagli,Adil Eryilmaz,Aydin Acar,Sezer Kulacoglu,Halit Akmansu 연세대학교의과대학 2004 Yonsei medical journal Vol.45 No.5
A Collagenous Fibroma (Desmoplastic Fibroblastoma) is a rare, benign, slowly growing, fibroblastic, soft tissue lesion. Here, the case of a 28-year-old woman, who presented with a 1-year history of a slowly growing painless mass in the right anterior aspect of her neck, is described. This type of tumor was first described by Evans in 1995, and named as a Desmoplastic fibroblastoma but was renamed, by Nielsen in 1996 as a Collagenous Fibroma. This type of tumor is frequently reported in men with a mean age at occurance of 50 years. Clinically, a Collagenous fibroma presents as a firm, well-circumscribed subcutaneous, or intramuscular, painless mass of long duration. They are mostly located in the neck and extremities. The tumors range in size from 1 to 20cm and predominantly occurs within the subcutaneous tissue, but fascial and skeletal muscle involvement is common. The treatment of a Collagenous Fibroma is a total surgical excision. No tumor recurrence has been reported the literature during the follow-up period and no tumor recurrence was observed in our case at the 1-year follow-up.
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Prognostic Significance of Expression of CD133 and Ki-67 in Gastric Cancer
Saricanbaz, Irem,Karahacioglu, Eray,Ekinci, Ozgur,Bora, Huseyin,Kilic, Diclehan,Akmansu, Muge Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.19
CD133 is one of the most important stem cell markers in solid cancers and Ki-67 is a marker that reflects cell proliferation. The relationships between the expression of CD133 and Ki-67 and prognosis in gastric carcinoma are unknown and need exploring. We examined 50 gastric cancer patients retrospectively in the Radiation Oncology Department of the Faculty of Medicine, Gazi University. CD133 and Ki-67 expression was examined using immunohistochemical staining. The survival rate in patients with CD133 positive expression was significantly worse than that in the patients with negative expression (p=0.04). Expression of CD133 had a positive correlation with that of Ki-67 (r=0.350; p=0.014). Multivariate analysis revealed that the expression of CD133 was an independent prognostic factor in gastric cancer (p=0.02). Conclusion, expression of CD133 may be a useful prognostic marker in gastric cancer.
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