Yonsei Medical Journal (YONSEI MED J )

Publisher: Yŏnse Taehakkyo. College of Medicine


Yonsei Medical Journal is being published from 1960 six times annually, one volume per year beginning in February by the Yonsei University College of Medicine which was founded by Dr. Horace N. Allen in 1885. The goal of Yonsei Medical Journal is to inform its readers of significant development in all areas related to medicine.

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    Yonsei Medical Journal website
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    Yonsei medical journal (Online)
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    Internet Resource, Journal / Magazine / Newspaper

Publications in this journal

  • Yonsei Medical Journal 06/2014; in press.
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    ABSTRACT: The development of robotic technology has facilitated the application of minimally invasive techniques for the treatment and evaluation of patients with early, advanced, and recurrent cervical cancer. The application of robotic technology for selected patients with cervical cancer and the data available in the literature are addressed in the present review paper. The robotic radical hysterectomy technique developed at the Mayo Clinic Arizona is presented with data comparing 27 patients who underwent the robotic procedure with 2 matched groups of patients treated by laparoscopic (N = 31), and laparotomic radical hysterectomy (N = 35). A few other studies confirmed the feasibility and safety of robotic radical hysterectomy and comparisons to either to the laparoscopic or open approach were discussed. Based on data from the literature, minimally invasive techniques including laparoscopy and robotics are preferable to laparotomy for patients requiring radical hysterectomy, with some advantages noted for robotics over laparoscopy. A prospective randomised trial is currently being performed under the auspices of the American Association of Gyneoclogic Laparoscopists comparing minimally invasive radical hysterectomy (laparoscopy or robotics) with laparotomy. For early cervical cancer radical parametrectomy and fertility preserving trachelectomy have been performed using robotic technology and been shown to be feasible, safe, and easier to perform when compared to the laparoscopic approach. Similar benefits have been noted in the treatment of advanced and recurrent cervical cancer where complex procedures such as extraperitoneal paraortic lymphadenectomy and pelvic exenteration have been required. Conclusion: Robotic technology better facilitates the surgical approach as compared to laparoscopy for technically challenging operations performed to treat primary, early or advanced, and recurrent cervical cancer. Although patient advantages are similar or slightly improved with robotics, there are multiple advantages for surgeons.
    Yonsei Medical Journal 01/2009; 49(6):879-85.
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    ABSTRACT: The prognosis for gastric cancer with liver metastasis continues to be poor. We present our preliminary findings from 4 cases of liver metastasis from gastric adenocarcinomas treated using radiofrequency ablation (RFA). Between 1995 and 2004, the clinical history and course of 4 patients who underwent radiofrequency ablation for liver metastases from gastric cancer were reviewed. Two patients with smaller metachronous metastasis are currently alive without recurrence at 16 and 14 months and the other patients with larger synchronous metastatic lesions died after 4 and 12 months after RFA. Although this study was limited to a few cases and had a short follow-up duration, our findings suggest that RFA may provide an alternative treatment modality for liver metastasis resulting from gastric adenocarcinoma. Additional study is needed with a larger group of patients and longer follow up to evaluate the efficacy of RFA.
    Yonsei Medical Journal 01/2009; 49(6):1046-51.
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    ABSTRACT: Genes of the HoxD cluster play a major role in vertebrate limb development, and changes that modify the Hoxd12 locus affect other genes also, suggesting that HoxD function is coordinated by a control mechanism involving multiple genes during limb morphogenesis. In this study, mutant phenotypes were produced by treatment of mice with a chemical mutagen, N-ethyl-N-nitrosourea (ENU). We analyzed mutant mice exhibiting the specific microdactyly phenotype and examined the genes affected. We focused on phenotype characteristics including size, bone formation, and digit morphology of ENU-induced microdactyly mice. The expressions of several molecules were analyzed by genome-wide screening and quantitative real-time PCR to define the affected genes. We report on limb phenotypes of an ENU-induced A-to-C mutation in the Hoxd12 gene, resulting in alanine-to-serine conversion. Microdactyly mice exhibited growth defects in the zeugopod and autopod, shortening of digits, a missing tip of digit I, limb growth affected, and dramatic increases in the expressions of Fgf4 and Lmx1b. However, the expression level of Shh was not changed in Hoxd12 point mutated mice. These results suggest that point mutation rather than the entire deletion of Hoxd12, such as in knockout and transgenic mice, causes the abnormal limb phenotype in microdactyly mice. The precise nature of the spectrum of differences requires further investigation.
    Yonsei Medical Journal 01/2009; 49(6):965-72.
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    ABSTRACT: To investigate clinicopathological characteristics and outcomes of male breast cancer (MBC). We retrospectively analyzed the data of 20 MBC patients in comparison with female ductal carcinoma treated at Yonsei University Severance Hospital from July 1985 to May 2007. Clinicopathological features, treatment patterns, and survival were investigated. MBC consists of 0.38% of all breast cancers. The median age was 56 years. The median symptom duration was 10 months. The median tumor size was 1.7 cm, 27.8% showed node metastasis, and 71.4% were estrogen receptor positive. All 20 cancers were arisen from ductal cells. No lobular carcinoma was found. The incidence of stages 0, I, II, and III in patients were 2, 10, 4, and 3, respectively. All patients underwent mastectomy. One with invasive cancer did not receive axillary node dissection and stage was not exactly evaluated. Adjuvant treatments were determined by pathologic parameters and stage. Clinicopathological parameters and survival rates of MBC were comparable to those of female ductal carcinoma. The onset age of MBC was 10 years older and symptom duration was longer than in female patients. No difference in outcomes between MBC and female ductal carcinoma suggests that the biology of MBC is not different from that of females. Therefore, education, an appropriate system for early detection, and adequate treatment are necessary for improving outcomes.
    Yonsei Medical Journal 01/2009; 49(6):978-86.
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    ABSTRACT: Epithelioid hemangioendothelioma (EHE) is a rare tumor of vascular origin. While it can be found in any tissue, it is most often found in lung and liver and usually has an intermediate behavior. EHEs originating from pleural tissue have been less frequently described than those from other sites. Furthermore, to date, all of the cited pleural EHEs were described as highly aggressive. In the present report, we describe a rare case of pleural EHE extending to lung and bone in a 31-year-old woman. The histological diagnosis was confirmed by both conventional examination and immunohistochemistry. Her disease stabilized during the 4th course of adriamycin (45 mg/m(2), day 1-3), dacarbazine (300 mg/m(2), day 1-3) and ifosfamide (2,500 mg/m(2), day 1-3) with mesna, and she survived for 10 months after the diagnosis.
    Yonsei Medical Journal 01/2009; 49(6):1036-40.
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    ABSTRACT: Schwannomas, also known as neurinomas or neurilemmomas, are generally benign, slow-growing neoplasms originating in any nerve that has a Schwann cell sheath. These neoplasms are rare among the spindle cell mesenchymal tumors of the gastrointestinal tract, but develop most commonly in the stomach representing 0.2% of all gastric tumors. We present the case of a 57-year-old female patient with a large schwannoma in the stomach that was palpable in the abdomen. She underwent subtotal gastrectomy under suspicion of gastrointestinal stromal tumor (GIST), but post-operative histopathological and immunohistochemical findings showed a fascicular arrangement of spindle cell with pallisading nuclei, and positive for S-100 protein with negative smooth muscle actin (SMA). These results confirmed schwannoma as the diagnosis.
    Yonsei Medical Journal 01/2009; 49(6):1052-4.
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    ABSTRACT: Gastric carcinoma tissues release high level of prostaglandin E2 (PGE2) when compared to non-neoplastic mucosa, and cyclooxygenase-2 (COX-2), which is the rate-limiting enzyme in prostaglandin (PG) biosynthesis, is often overexpressed in gastric carcinomas and during gastric carcinogenesis. However, little is known about the expression of 15-hydroxyprostaglandin dehydrogenase (15-PGDH), the key enzyme responsible for the biological inactivation of PG, in gastric carcinomas. We investigated the expression of 15-PGDH in 28 cases of advanced gastric carcinomas by Western blot analysis and also the relation between its expression and the gene promoter methylation. 15-PGDH expression was significantly decreased in gastric carcinomas compared to corresponding non-neoplastic tissues and inversely correlated with the expression of proliferating cell nuclear antigen in gastric carcinomas. However, there was no correlation between 15-PGDH expression and pathological findings such as nodal metastasis and vascular invasion. Promoter hypermethylation of 15-PGDH gene was not detected in carcinomas, with only a negligible expression of the enzyme. Our results suggested that 15-PGDH has tumor suppressor activity in gastric carcinomas.
    Yonsei Medical Journal 01/2009; 49(6):917-22.
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    ABSTRACT: Technology has become a major driver of the future direction of healthcare and surgery. Likewise, the speed of change has accelerated beyond comprehension, with a number of revolutions occurring during a surgeon's career. Being an agent of change or rapidly adapting to change has become the hallmark of the gifted surgeon. The fundamental challenges to a future surgeon are addressed from a technological viewpoint, with emphasis on the impact upon healthcare.
    Yonsei Medical Journal 01/2009; 49(6):873-8.
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    ABSTRACT: Extensive extirpation of cervico-mediastinal adipose tissue increases the chance of removing ectopic thymic tissues, thus potentially improving the prognosis of myasthenia gravis after thymectomy. We sought to increase efficacy and safety of transsternal maximal thymectomy (TSMT). Twenty four patients who underwent TSMT from July 2006 to June 2007 were retrospectively reviewed and compared with 73 patients who underwent transsternal extended thymectomy (TSET) from January 2004 to May 2006. Ectopic thymic tissue in additionally excised cervicomediastinal fat tissue was examined histologically. In TSMT group, operation time, amount of cumulative drainage and duration of drainage were significantly higher than TSET group. However, the difference in hemoglobin count, amount of transfusion, duration of intensive care, postoperative hospital stay, and complication rates were not statistically different. There was no operative mortality in either group. Ectopic thymic tissue was found in 50% of patients. All patients had ectopic thymic tissues in the cervical area. Two patients had additional ectopic tissue in the aortopulmonary window, and 1 patient had ectopic tissue at posterior of the left bracheocephalic vein and lateral of the right phrenic nerve. TSMT is more effective in the extirpation of ectopic thymic tissues than TSET without significant impairment of safety, especially in the cervical area.
    Yonsei Medical Journal 01/2009; 49(6):987-92.
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    ABSTRACT: Forkhead box p3 (Foxp3) positive T regulatory cells (Tregs) have a functionally immunosuppressive property that prevents effector cells from acting against self in autoimmune diseases or a tumor. It is known that Tregs may be highly relevant in cancer progression. Dendritic cells (DCs) induce cutaneous immune response, however several studies have suggested that DCs are involved in immunosuppression. The aim of this study is to evaluate the prevalence of Tregs and DCs infiltration in cutaneous premalignant and malignant squamous lesions. We evaluated Tregs and DCs in skin tissue samples obtained from 83 patients with actinic keratosis, Bowen's disease or squamous cell carcinoma by immunohistochemistry. The prevalence of Tregs and DCs was significantly higher in squamous cell carcinoma and Bowen's disease than in actinic keratosis. In addition, the number of DCs was closely correlated with the prevalence of Tregs, and DCs were also located in direct proximity to Tregs. Tregs is related to cutaneous squamous tumor progression.
    Yonsei Medical Journal 01/2009; 49(6):942-8.
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    ABSTRACT: The reliability and validity of a Korean version of the Obsessive-Compulsive-Inventory-Revised (OCI-R) was examined in non-clinical student samples. The Korean version of OCI-R was administered to a total of 228 Korean college students. The Maudsley Obsessive Compulsive Inventory (MOCI), Beck's Depression Inventory (BDI), and Beck's Anxiety Inventory (BAI) were administered to 228 students. The total and each of subscale of the Korean OCI-R demonstrated excellent internal consistency, good test-retest reliability, moderate convergent validity and good divergent validity. It was concluded that the Korean version of the OCI-R has strong psychometric properties as the original version.
    Yonsei Medical Journal 01/2009; 49(6):909-16.

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