정형외과적 감염에 대한 Cefnam^(�)(cefuzonam sodium, L-105)의 임상 경험

황병언,박명식,송경진,이강욱,최상순 최신의학사 1992 最新醫學 Vol.35 No.2

혀에 발생한 대칭성 지방종증 1예

황병언,이은정,박호성,홍기환 대한이비인후과학회 2011 대한이비인후과학회지 두경부외과학 Vol.54 No.10

Benign symmetric lipomatosis (BSL) is a pathologic condition characterized by symmetric and diffuse growth of mature adipose tissue. It usually affects the posterior neck and upper trunk. However, BSL involving the tongue is extremely rare condition. A 70-year-old man visited our clinic and complained of his swollen tongue with intermittent burning pain. The tongue lesion was treated by surgical excision and was confirmed with BSL. During a one-year follow-up period, there was no recurrence. We report this rare case of BSL on tongue with a previous literature review.

효율적인 저장을 위한 XML 문서의 통합기법

이범식,황병언 가톨릭대학교 자연과학연구소 2005 자연과학논문집 Vol.26 No.-

XML과 관련된 애플리케이션의 개발이 활성화되면서, 관리해야 하는 XML 문서의 수가 크게 증가하였다. 이에 따라 의미나 구조적으로 많은 유사성을 지니는 XML 문서들을 효율적으로 저장하고 검색하기 위한 기법의 연구가 요구된다. 본 연구에서는 의미 및 구조적으로 유사성을 가지는 여러 XML 문서들을 통합하는 기법을 제안한다. 이 방법은 같은 DTD나 XML Schema를 가지는 경우와 다른 DTD나 XML Schema를 가지는 경우를 모두 고려한다. 또한 특별한 구조적 정보를 가지지 않는 XML 문서도 이들과 마찬가지로 처리하여, 다양한 XML 문서들에 대한 통합이 가능하도록 한다. 이러한 통합 기법은 중복되는 엘리먼트나 애트리뷰트에 대한 저장 공간의 낭비를 최소화한다. 그리고 서로 관련 있는 여러 XML 문서의 부분들을 디스크상의 페이지 내에 서로 가까이 저장할 수 있기 때문에, 사용자의 일반적인 질의에 대해 효율적이고 빠른 검색 결과를 유도할 수 있고, I/O 횟수를 줄임으로써 그에 따른 오버헤드를 줄일 수 있다는 장점을 가진다. As enlarging of developing applications that related with XML, the XML documents to manage increased in quantity. Accordingly, it is requested to research for storing and searching efficiently XML documents which have similar in meaning or structure. In this paper, we suggest the combining strategy of XML documents with meaning and structural similarity. This strategy considers whether XML documents with same XML schema or not. The XML documents without special information about their structure would be processed also, so it makes possible to combine of variety of XML documents. Proposed strategy minimizes waste of storing space for duplications of elements or attributes. Since it stores related XML documents closely in same pages on disk, so it has advantages not only to derive searching result fast and effective for general query from users, but also to cut down overhead by reducing I/O frequency.

두경부에 발생한 신경초종에 대한 임상적 고찰

임상호,이경석,황병언,박희택,양윤수,홍기환 대한이비인후과학회 2011 대한이비인후과학회지 두경부외과학 Vol.54 No.4

Background and Objectives Neurogenic tumors in the head and neck are relatively rare and constitute around 0.5% of all head and neck tumors. Schwannoma, among neurogenic tumors, is a benign tumor originating from the spinal nerve root, peripheral nerve and all kinds of cranial nerves except the optic nerve and olfactory nerve. By presenting a series of head and neck schwannomas treated during a fifteen-year period, we aimed to analyze the clinical features, diagnosis, treatment and prognosis of schwannomas retrospectively. Subjects and Method We retrospectively reviewed and analyzed clinical records of 34 patients with head and neck schwannomas who were treated surgically at the University Hospital from January, 1995 to January, 2010. Results We found 34 cases of schwannoma in the head and neck. Among the patients, 14 were males and 20 were females. The most common age group was the 60’s while the most common site was the parapharyngeal space. The most common presenting symptom was palpable neck mass and the mean duration of symptoms was 41.6 months. The most common nerve of origin was the cervical plexus (29.4%). Preoperative diagnostic tools were FNA, CT and MRI. All cases were treated surgically and the most common postoperative complication was both transient and permanent voice changes. The mean follow-up period was 18.3 months and recurrence was not found during this period. Conclusion Thirty-four cases of schwannoma in the head and neck were presented with respect to their clinical features.

하인두암의 치료방법에서 Docetaxel과 Platinum을 이용한 선행항암화학요법의 효과분석

김종승,이경석,황병언,임상호,유순호,하일우,이은정,홍기환,양윤수 대한이비인후과학회 2010 대한이비인후과학회지 두경부외과학 Vol.53 No.11

Background and Objectives The aim of this study was to determine the efficacy of induction chemotherapy with docetaxel and platinum in patients with hypopharyngeal carcinoma. Subjects and Method The medical records of 66 patients who were diagnosed with hypopharyngeal carcinoma at our department from January 1996 to December 2008 were reviewed and retrospectively analyzed. The patients were divided into four groups according to treatment method: Group I was treated with radiation and induction chemotherapy consist of docetaxel and platinum (27); Group II was treated with surgery and induction chemotherapy consist of docetaxel and platinum (28), Group III was treated with radiation and induction chemotherapy consist of 5-FU and platinum (9) and Group IV was treated with surgery and induction chemotherapy consist of 5-FU and platinum (2). A total of 186 chemotherapy cycles were administered to patients and most of the patients received at least 2 cycles. Results The T-stage distribution at diagnosis was 7.5%, 42.4%, 28.8%, and 21.2% for T1, T2, T3, and T4, respectively. The N-stage distribution at diagnosis was 48.5%, 22.7%, 10.6%, 15.2%, and 9.1% for N0, N1, N2a, N2b, and N2c, respectively. The overall 3-year survival rate was 44.3%. The 3-year survival rate of each group was 42.6% in Group I, 54.8% in Group II, and 11.1% in Group III. There was no significant difference in survival between Groups I and III (p=0.074). There was no difference in sex, age, and N stage for 3-year survival rate. Conclusion Although any valid conclusions could not be drawn because of the small number of patients examined here, induction chemotherapy consisting of docetaxel and platinum may improve the outcome of patients with hypopharyngeal carcinoma. Korean J Otorhinolaryngol-Head Neck Surg 2010;53:706-11

구강을 통한 몰입형 하마종의 수술적 치료

홍기환,양윤수,박희택,황병언,이경석,임상호,유순호 대한이비인후과학회 2010 대한이비인후과학회지 두경부외과학 Vol.53 No.11

Background and Objectives Although sclerotherapy has been recently applied for plunging ranula, surgical approaches such as marsupialization have been the primary mode of treatment. Marsupialization may be done through simple excision via transcervical approach or via combined approach, intraorally and trabscervically. This study examined the effectiveness of intraoral excision for the treatment of plunging ranula. Subjects and Method This prospective clinical study was comprised of 15 patients who were treated for plunging ranula through intraoral excision of the raluna and sublingual gland. Results All of the 15 patients showed a complete removal of sublingual gland. The cystic wall of ranula could be dissected for only three patients (20%) and for twelve patients (80%), it could not be dissected intraorally. Rupture of ranula developed in all patients (100%) during intraoral dissection. Recurrence did not occurr at all during a median follow-up period of 14 months (range, 7-35 month) after the intraoral excision. There were no side effects and external scarring. Conclusion The intraoral approach for removal of the plunging ranula is highly effective as a primary treatment modality of plunging ranula. Korean J Otorhinolaryngol-Head Neck Surg 2010;53:702-5

WWW 데이터베이스 인터페이스를 위한 UCM ( United CGI Management ) 시스템의 설계

김은경(Kim Eun Kyoung),황병언(Hwang Byung Yeon) 한국정보처리학회 1999 정보처리학회논문지 Vol.6 No.8

Many people are the latest interested in the integration of the WWW and database systems. The UCM(United CGI Management) system, which is proposed on this study, is based on the method using CGI that does not change existing servers and clients to integrate the WWW and database system. Since the CGI executable architecture executes a CGI program whenever the database is accessed, the system performance is reduced greatly when many requests to the database are made simultaneously. However, the UCM system improves the system performance since it uses the integrated CGI running a daemon process. Moreover, the proposed system can use the WWW database more economically and doesn't use the SQL because it does not use a DBMS. In UCM system, we define the extended HTML, tags to implement the WWW database interface and use the EXODUS storage manager for accessing the database.

타액선 Warthin’s 종양에 대한 임상적 고찰

임상호,유순호,이경석,황병언,이은정,홍기환,양윤수 대한이비인후과학회 2011 대한이비인후과학회지 두경부외과학 Vol.54 No.3

Background and Objectives The aim of this study was to define the clinical characteristics and treatment outcome of the salivary Warthin’s tumor in order to work out a therapeutic strategy. Subjects and Method The medical records of 64 patients who underwent surgery and were pathologically diagnosed with Warthin’s tumor at our department from January 1997 to December 2009 were reviewed retrospectively. Results There were 60 (94%) males and 4 (6%) females with an overall male-to-female ratio of 15 : 1. The average age was 59.8±9.2 years (range from 35 to 78). All tumors were found in the parotid gland. Of the 66 tumors, 31 (48%) occurred in the right side, 28 (44%) tumors occurred in left side, and 5 (8%) tumors occurred in bilaterally. A superficial parotidectomy was performed in 38 (59%) patients, lumpectomy in 25 (39%) patients and bilateral lumpectomy in one patient. There were 18 (28%) postoperative complications. The most common complication was transient facial palsy that occurred in 11 (17%) patients. Recurrence occurred in 2 (3%) patients, oneipsilaterally and the other contralaterally. All recurrences were found in patients who underwent superficial parotidectomy. Conclusion Warthin’s tumor has a very low recurrence rate with a benign nature. The study shows that lumpectomy is an effective surgical treatment for Warthin’s tumor with an advantage of reducing facial nerve palsy and recurrence rate.

좌측 가로정맥동과 에스자정맥동의 부재를 동반한 좌측 속경정맥의 선천성 폐쇄

조영주(Young Ju Cho),이경석(Kyung Suk Lee),황병언(Byung Eon Hwang),양윤수(Yun Su Yang),홍기환(Ki Hwan Hong) 대한두경부종양학회 2011 대한두경부 종양학회지 Vol.27 No.2

Knowledge of variations of veins of head and neck in relation to internal jugular ,external jugular, anterior jugular and facial veins is important to surgeons doing head and neck surgery as well as to radiologists doing catheterization and to clinicians in general. In the current case, congenital atresia of the left internal jugular vein is reported. During neck dissection, superficial veins of neck and left external jugular vein was engorged and the left internal jugular vein was look like a fibrotic band. The left common carotid artery and vagus nerve was normal.