PURPOSE: This study analyzed the characteristics of excellent lecturers, as perceived by medical students, and identified the teaching competency that lecturers should possess to enhance the quality of medical education in medical school. METHODS: To examine the characteristics of excellent lecturers and teaching competency, we administered open-ended questionnaires to a sample of 128 Year 2 medical students in May 2011. RESULTS: The students placed high value on the ability to organize and summarize the lecture as the most significant competence of lecturers, due to the massive amounts of information that is disseminated in medical college. Further, they chose lecturers who communicated to students actively and used real clinical cases properly with regard to how medical knowledge applied. They also considered generating an interest in learning by linking knowledge and its application as an important priority of excellent lecturers. CONCLUSION: We conclude that there are differences in the characteristics and competencies of excellent lecturers, as perceived by medical students and others. To increase the quality of teaching, it might be necessary to offer the opportunity to observe excellent lecturers, develop faculty development programs, and create educational culture.
Education, Medical ; Humans ; Learning ; Medical Staff ; Mental Competency ; Schools, Medical ; Students, Medical ; Teaching ; Surveys and Questionnaires

PURPOSE: This study aims to estimate the optimal educational cost per medical student. METHODS: A private medical college in Seoul was targeted by the study, and its 2006 learning environment and data from the 2003~2006 budget and settlement were carefully analyzed. Through interviews with 3 medical professors and 2 experts in the economics of education, the study attempted to establish the educational cost estimation model, which yields an empirically computed estimate of the optimal cost per student in medical college. RESULTS: The estimation model was based primarily upon the educational cost which consisted of direct educational costs (47.25%), support costs (36.44%), fixed asset purchases (11.18%) and costs for student affairs (5.14%). These results indicate that the optimal cost per student is approximately 20,367,000 won each semester; thus, training a doctor costs 162,936,000 won over 4 years. Consequently, we inferred that the tuition levels of a local medical college or professional medical graduate school cover one quarter or one-half of the per- student cost. CONCLUSION: The findings of this study do not necessarily imply an increase in medical college tuition; the estimation of the per-student cost for training to be a doctor is one matter, and the issue of who should bear this burden is another. For further study, we should consider the college type and its location for general application of the estimation method, in addition to living expenses and opportunity costs.
Budgets ; Humans ; Learning ; Students, Medical ; Ursidae

OBJECTIVES: the effect of different sterilization methods on the surface morphology of PPDO-hybrid-PLGA nanofiber scaffold and attachments of PC12 cell were investigated. METHODS: Poly (p-dioxone)-hybrid-Poly (lactide-glycolide) (PPDO-hybrid-PLGA) nanofiber scaffold, fabricated in a tube form with 1.5 mm internal diameter, 0.2 mm thickness and 5 mm length, was prepared using electrospinning method. To study the surface morphology using SEM, The study group and control group in respective were; Control:Non-sterilized scaffold, Group I:scaffold sterilized with 70% Alcohol, Group II: scaffold sterilized with Ethylene Oxide at 65 degrees C, and Group III: scaffold sterilized with Ethylene Oxide at 37 degrees C. To investigate viability of the PC12 cell on the scaffold, The study group and control group in respective were; Control: sterilized with 70% Alcohol, Group I: sterilized with Ethylene Oxide at 65 degrees C, and Group II: sterilized with Ethylene Oxide at 37 degrees C. RESULTS: 1. The surface morphology was slightly changed in Group I, II and GroupIII, compared with control. 2. The attachment of PC12 cells in Group I, II was not higher than in control DISCUSSION: The attachment of PC12 cell is not influenced by different sterilization methods.
Animals ; Ethylene Oxide ; Ethylenes ; Nanofibers ; PC12 Cells ; Sterilization

Epithelioid sarcoma is a rare and highly malignant soft tissue neoplasm that most commonly occurs in the long bones. This uncommon tumor has a poor clinical outcome, and the modality of its treatment has not yet been fully established. The authors report an extremely rare presentation of epithelioid sarcoma in the cervical spine, along with its clinical progression, imaging, and pathology. The patient underwent three surgical procedures and adjuvant radiochemical management. He survived for 25 months with a good general condition and adapted well to his social activity. Systemic metastasis was not found, but the patient died of respiratory failure due to direct tracheal invasion of the tumor.
Drug Therapy ; Humans ; Neoplasm Metastasis ; Pathology ; Respiratory Insufficiency ; Sarcoma* ; Soft Tissue Neoplasms ; Spine*

The aim of this study is to analyze the current status and performance evaluation systems of faculty in Korean medical colleges and professional graduate medical schools (called medical schools). We developed a research tool based on previous studies and distributed it to 40 medical schools from July to October 2017. The response rate was 100%. We calculated the number of faculty members and analyzed the faculty evaluation systems and awareness according to national and private medical schools. As of 2017, the number of medical faculty in Korea was 11,111 (4,973 faculty were employed by their alma mater, which is 44.76% of the total), with non-medical doctor faculty accounting for 754 of the total. The medical schools reflect research achievements as most important for re-appointment and screening to promote faculty, and the area of education is secondary excepting clinical faculty of private medical schools. However, important issues in the faculty evaluation deal with the relevance of research achievement and the need for qualitative assessment. Some medical schools revised or have been revising the faculty evaluation system in areas such as minimum standards of education for promotion and separation of promotion and tenure review. Opening non-tenure track lines for faculty show positive effects such as increasing the number of positions for hire and easing the financial burdens of medical schools. Downfalls include inconsistencies between the responsibilities and actual practices of tenure not being available and the instability of faculty's status. In conclusion, medical schools need to prepare a faculty evaluation system that fits the position of faculty members and attempt to establish a reasonable compensation system.
Compensation and Redress ; Education ; Faculty, Medical ; Health Personnel ; Humans ; Korea ; Mass Screening ; Reward ; Schools, Medical ; Social Responsibility

Purpose: Just culture refers to a culture that encourages members of an organization to exchange important safety information and compensates them when they perform such information exchanges. The establishment of a just culture in hospital organizations might be an important means of enhancing patient safety incident reporting. This study aimed to investigate the impact of just culture on the attitudes and behaviors toward patient safety incident reporting in perioperative nurses. Methods: A nationwide cross-sectional survey was performed using structured questionnaires. The participants were 208 perioperative nurses in tertiary general hospitals in South Korea. Data were collected by self-reported on-line questionnaires, from August to September 2020. Data were analyzed with descriptive statistics, independent t-test, chi-square test, Fisher's exact test, one-way ANOVA, Scheffé test, Pearson's correlation analysis, Spearman rank correlation analysis, hierarchical multiple regression, and hierarchical logistic regression using the SPSS WIN 23.0 program. Results: Hierarchical multiple regression analysis revealed that just culture explained an additional 34.5%p of the attitudes on patient safety incident reporting. Hierarchical logistic regression analysis showed that just culture was a significant predictor of behaviors regarding patient safety incident reporting (odds ratio = 2.25, p = .017). The final regression model accounted for 16.0% of the behaviors regarding patient safety incident reporting. Conclusion This study empirically shows that just culture impacted the attitudes and behaviors regarding patient safety incident reporting in perioperative nurses. This study provides an evidence about the importance of the just culture in every day nursing practice setting. Personnel and organizational efforts for improving or implementing just culture are required to ensure greater patient safety by enhancing the patient safety incident reporting of perioperative nurses in hospitals.

Purpose: Just culture refers to a culture that encourages members of an organization to exchange important safety information and compensates them when they perform such information exchanges. The establishment of a just culture in hospital organizations might be an important means of enhancing patient safety incident reporting. This study aimed to investigate the impact of just culture on the attitudes and behaviors toward patient safety incident reporting in perioperative nurses. Methods: A nationwide cross-sectional survey was performed using structured questionnaires. The participants were 208 perioperative nurses in tertiary general hospitals in South Korea. Data were collected by self-reported on-line questionnaires, from August to September 2020. Data were analyzed with descriptive statistics, independent t-test, chi-square test, Fisher's exact test, one-way ANOVA, Scheffé test, Pearson's correlation analysis, Spearman rank correlation analysis, hierarchical multiple regression, and hierarchical logistic regression using the SPSS WIN 23.0 program. Results: Hierarchical multiple regression analysis revealed that just culture explained an additional 34.5%p of the attitudes on patient safety incident reporting. Hierarchical logistic regression analysis showed that just culture was a significant predictor of behaviors regarding patient safety incident reporting (odds ratio = 2.25, p = .017). The final regression model accounted for 16.0% of the behaviors regarding patient safety incident reporting. Conclusion This study empirically shows that just culture impacted the attitudes and behaviors regarding patient safety incident reporting in perioperative nurses. This study provides an evidence about the importance of the just culture in every day nursing practice setting. Personnel and organizational efforts for improving or implementing just culture are required to ensure greater patient safety by enhancing the patient safety incident reporting of perioperative nurses in hospitals.

Purpose: Just culture refers to a culture that encourages members of an organization to exchange important safety information and compensates them when they perform such information exchanges. The establishment of a just culture in hospital organizations might be an important means of enhancing patient safety incident reporting. This study aimed to investigate the impact of just culture on the attitudes and behaviors toward patient safety incident reporting in perioperative nurses. Methods: A nationwide cross-sectional survey was performed using structured questionnaires. The participants were 208 perioperative nurses in tertiary general hospitals in South Korea. Data were collected by self-reported on-line questionnaires, from August to September 2020. Data were analyzed with descriptive statistics, independent t-test, chi-square test, Fisher's exact test, one-way ANOVA, Scheffé test, Pearson's correlation analysis, Spearman rank correlation analysis, hierarchical multiple regression, and hierarchical logistic regression using the SPSS WIN 23.0 program. Results: Hierarchical multiple regression analysis revealed that just culture explained an additional 34.5%p of the attitudes on patient safety incident reporting. Hierarchical logistic regression analysis showed that just culture was a significant predictor of behaviors regarding patient safety incident reporting (odds ratio = 2.25, p = .017). The final regression model accounted for 16.0% of the behaviors regarding patient safety incident reporting. Conclusion This study empirically shows that just culture impacted the attitudes and behaviors regarding patient safety incident reporting in perioperative nurses. This study provides an evidence about the importance of the just culture in every day nursing practice setting. Personnel and organizational efforts for improving or implementing just culture are required to ensure greater patient safety by enhancing the patient safety incident reporting of perioperative nurses in hospitals.

Background: While the clinical course of radiation-induced meningioma (RIM) is considered to be more aggressive than that of sporadic meningioma (SM), the genetic predisposition for RIM is not established well. The present study aimed to analyze the clinical and genetic characteristics of RIMs to increase understanding of the tumorigenesis and prognosis of RIMs. Methods: We investigated a database of 24 patients who met the RIM criteria between January 2000 and April 2023. Genetic analysis through next-generation sequencing with a targeted gene panel was performed on 10 RIM samples. Clinical, radiological, and pathological parameters were evaluated with genetic analyses. Results: The median ages for receiving radiotherapy (RT) and RIM diagnosis were 8.0 and 27.5 years, respectively, with an interval of 17.5 years between RT and RIM diagnosis. RIMs tended to develop in non-skull bases and multifocal locations. Most primary pathologies included germ cell tumors and medulloblastoma. The tumor growth rate was 3.83 cm 3 per year, and the median doubling time was 0.8 years. All patients underwent surgical resection of RIMs. The histological grade of RIMs was World Health Organization grade 1 (64%) or 2 (36%). RIMs showed higher incidences in young-age (63%), high-dose (75%), and extendedfield (79%) RT groups. The recurrence rate was 21%. Genetic analysis revealed NF2 one copy loss in 90% of the patients, with truncating NF2 mutations and additional copy number aberrations in grade 2 RIMs. TERT promoter mutation and CDKN2A/B deletion were not identified. Notably, loss of H3K27me3 was identified in 26% of RIMs. H3K27me3 loss was associated with a higher prevalence of grade 2 RIMs (67%) and high recurrence rates (33%). Conclusion The study reveals a higher prevalence of high-grade tumors among RIMs with more rapid growth and higher recurrences than SMs. Genetically, RIMs are primarily associated with NF-2 alterations with chromosomal abnormalities in grade 2 tumors, along with a higher proportion of H3K27me3 loss.

Background: While the clinical course of radiation-induced meningioma (RIM) is considered to be more aggressive than that of sporadic meningioma (SM), the genetic predisposition for RIM is not established well. The present study aimed to analyze the clinical and genetic characteristics of RIMs to increase understanding of the tumorigenesis and prognosis of RIMs. Methods: We investigated a database of 24 patients who met the RIM criteria between January 2000 and April 2023. Genetic analysis through next-generation sequencing with a targeted gene panel was performed on 10 RIM samples. Clinical, radiological, and pathological parameters were evaluated with genetic analyses. Results: The median ages for receiving radiotherapy (RT) and RIM diagnosis were 8.0 and 27.5 years, respectively, with an interval of 17.5 years between RT and RIM diagnosis. RIMs tended to develop in non-skull bases and multifocal locations. Most primary pathologies included germ cell tumors and medulloblastoma. The tumor growth rate was 3.83 cm 3 per year, and the median doubling time was 0.8 years. All patients underwent surgical resection of RIMs. The histological grade of RIMs was World Health Organization grade 1 (64%) or 2 (36%). RIMs showed higher incidences in young-age (63%), high-dose (75%), and extendedfield (79%) RT groups. The recurrence rate was 21%. Genetic analysis revealed NF2 one copy loss in 90% of the patients, with truncating NF2 mutations and additional copy number aberrations in grade 2 RIMs. TERT promoter mutation and CDKN2A/B deletion were not identified. Notably, loss of H3K27me3 was identified in 26% of RIMs. H3K27me3 loss was associated with a higher prevalence of grade 2 RIMs (67%) and high recurrence rates (33%). Conclusion The study reveals a higher prevalence of high-grade tumors among RIMs with more rapid growth and higher recurrences than SMs. Genetically, RIMs are primarily associated with NF-2 alterations with chromosomal abnormalities in grade 2 tumors, along with a higher proportion of H3K27me3 loss.