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Huh, Yeon-Ju,Lee, Hyuk-Joon,Oh, Seung-Young,Lee, Kyung-Goo,Yang, Jun-Young,Ahn, Hye-Seong,Suh, Yun-Suhk,Kong, Seong-Ho,Lee, Kuhn-Uk,Yang, Han-Kwang The Korean Gastric Cancer Association 2015 Journal of gastric cancer Vol.15 No.3
Purpose: This study evaluated the functional and oncological outcomes of proximal gastrectomy (PG) in comparison with total gastrectomy (TG) for upper-third early gastric cancer (EGC). Materials and Methods: The medical records of upper-third EGC patients who had undergone PG (n=192) or TG (n=157) were reviewed. The PG group was further subdivided into patients who had undergone conventional open PG (cPG; n=157) or modified laparoscopy-assisted PG (mLAPG; n=35). Patients who had undergone mLAPG had a longer portion of their intra-abdominal esophagus preserved than patients who had undergone cPG. Surgical morbidity, recurrence, long-term nutritional status, and the incidence of reflux esophagitis were compared between the groups. Results: The rate of postoperative complications was significantly lower for PG than TG (16.7% vs. 31.2%), but the five-year overall survival rate was comparable between the two groups (99.3% vs. 96.3%). Postoperative levels of hemoglobin and albumin were significantly higher for patients who had undergone PG. However, the incidence of reflux esophagitis was higher for PG than for TG (37.4% vs. 3.7%; P<0.001). mLAPG was related to a lower incidence of reflux esophagitis after PG (P<0.001). Conclusions: Compared to TG, PG showed an advantage in terms of postoperative morbidity and nutrition, and there was a comparable prognosis between the two procedures. Preserving the intra-abdominal esophagus may lower the incidence of reflux esophagitis associated with PG.
A case of atypical fibroxanthoma of the ear in a young female patient
( Yun Ho Lee ),( Yeon Gu Choi ),( Gyoo Huh ),( Hyeon Jeong Park ),( Junghwa Yang ),( Jung Yup Kim ),( Sunmin Yim ),( Heun Joo Lee ),( Young Jun Choi ),( Ga-young Lee ),( Won-serk Kim ) 대한피부과학회 2019 대한피부과학회 학술발표대회집 Vol.71 No.1
Atypical fibroxanthoma is an uncommon fibrohistiocytic tumor which is generally considered to be a tumor of intermediate malignant potential. Lesions are typically associated with actinic damage and tend to present on the head, neck, and in particular, the ear of elderly patients. A 28-year-old female presented with a solitary, 1.0 × 1.0 cm sized, hemorrhagic, brownish, dome-shaped nodule on cymba concha of the left ear with the onset of 2 months ago. The histologic examination of the lesion showed non-encapsulated highly cellular dermal tumor predominately composed of proliferation of spindle cells in the fibrous and myxoid stroma. The spindle cells showed pleomorphic and hyperchromatic nucleus and frequent bizarre mitoses. Immunohistochemically, CD68, CD10, and smooth muscle actin were positive in spindle cells, but CD34, S-100 protein, and pan-cytokeratin were negative. Punch biopsy of the lesion confirmed a diagnosis of atypical fibroxanthoma. On preoperative magnetic resonance imaging, a well-defined enhancing nodule with intermediate signal intensity was found to abut the superficial muscle fascia. Mohs micrographic surgery was performed to excise the tumor, and the defect was repaired with an A-T flap and full-thickness skin graft using retroauricular skin as donor. Herein, we report an atypical presentation of atypical fibroxanthoma of the ear in a young patient.
The effect of tranexamic acid on postoperative ecchymosis and edema in excision of lipoma
( Yun Ho Lee ),( Yeon Gu Choi ),( Gyoo Huh ),( Hyeon Jeong Park ),( Junghwa Yang ),( Jung Yup Kim ),( Sunmin Yim ),( Heun Joo Lee ),( Young-jun Choi ),( Won-serk Kim ),( Ga-young Lee ) 대한피부과학회 2019 대한피부과학회 학술발표대회집 Vol.71 No.2
Background: Tranexamic acid (TXA) is an amino acid derivative that exerts an antifibrinolytic effect. Previous studies showed that systemic TXA reduce for surgical patients bleeding in orthopedic and various nasal surgeries and postoperative edema and ecchymosis for surgical patients. Objectives: We aimed to evaluate the effect of TXA on postoperative ecchymosis and edema in patients who underwent excision of lipoma. Methods: Forty lipoma patients who underwent total excision between March 2017 and July 2019 were included. Retrospective chart reviews and photographic analyses were performed. In TXA group (n=20), 1g daily of TXA was administered for 5 days after surgery and in the control group (n=20), TXA was not administered. The severity of ecchymosis and edema at first visit after surgery was rated on 0-3 scale by two dermatologists. Results: The mean interval of first visit after surgery was 1.12±0.52 days (range: 1 ~ 4 days). The mean scores of ecchymosis evaluated using numeric scale were 0.5 ± 0.8 and 1.2±1.0 in the TXA and control group, respectively. Ecchymosis scores were significantly lower in TXA group compared with the control group (p< 0.05). But there was no statistical difference in edema scores between the two groups (0.5±0.6 in the TXA vs. 0.7±0.8 in the control group). Conclusion: We observed that the postoperative administration of TXA could decrease ecchymosis in patient who underwent excision of lipoma.
허명회,전성연 한국교육학회 1996 敎育學硏究 Vol.35 No.5
대학별고사 입시체제에서의 대입선발지표인 고교내신, 수학능력시험, 본고사의 예측타당성(predictive validity)을 대학에서의 학업성취도를 통하여 검토하고자 하는 것이 이 연구의 목적이다. 분석대상은 고려대학교 1994, 95년도 안암캠퍼스 일반전형 입학생의 입시자료 및 1994, 95년도 평균평점(GPA) 자료이다. The predictive validity of three admission indices, HSG(High School Grade), SAT(Scholastic Aptitude Test) and MEE(Main Entrance Exam), was evaluated by an ANCOVA model with the GPA(Grade Point Average) as external reference. Main results from the year 1994 and 1995 at the Korea University are 1) HSG was the most important index and MEE was running up, and 2) 1994 SAT seemed to have no influence for future academic achievement, but 1995 SAT showed significant improvement in humanity-social science field. Among MEE sub-indices, 1) Korean with essay-writing and Second foreign language were important sub- indices for humanity-social science majors, while English and Mathematics showed no relevance, and 2) Natural science was the most important sub-index for science-engineering majors, while Korean with essay-writing, English and Mathematics showed moderate relevance.