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      • 전두-사골동 점액낭종의 비내시경 수술 치험 1례

        홍석찬,김진국,강성호 건국대학교 의과학연구소 1996 건국의과학학술지 Vol.5 No.-

        Frontoethmoidal sinus mucocele usually presents with frontal headache, exophthalmos and diplopia. Over the years it has necessitated either a conservative or a radical procedure. However, recently endoscopic sinus surgery has afforded to decrease the operative morbidity, and image the sinus postoperatively without problem. We have experienced a case of frontoethmoidal sinus mucocele which was satisfactorily treated with endoscopic marsupialization. Till now, no disease recurrence has been noted with endoscopic follow-up for 5 months. The etiology, characteristic features, and treatment of frontoethmoidal mucocele were reviewed.

      • 진공용 나노스테이지 개발

        홍원표,강은구,이석우,최헌종 한국공작기계학회 2004 한국공작기계학회 춘계학술대회논문집 Vol.2004 No.-

        Miniaturization is the central theme in modem fabrication technology. Many of the components used in modern products are becoming smaller and smaller. The direct write FIB technology has several advantages over contemporary micromachining technology, including better feature resolution with low lateral scattering and capability of maskless fabrication. Therefore, the application of focused ion beam(FIB) technology in micro fabricaton has beome increasingly popular. In recent model of FIB, however the feeding system has been a very coarse resolution of about a few μm. It is not unsuitable to the sputtering and the deposition to make the high-precision structure in micro or macro scale. Our research is the development of nano stage of 200mm strokes and 10nm resolutions. Also, this stage should be effectively operating in ultra high vacuum of about 1×10^(-5)pa. This paper presents the concept of nano stages and the discussion of the material treatment for ultra high vacuum.

      • KCI등재

        KAL기 추락에 의한 대량재해의 개인식별

        강신몽,이원태,고영창,최상규,김윤희,이홍석,서재관,윤중진,이혜경,최득린,김종열,윤창육,변명식,이장홍 大韓法醫學會 1991 대한법의학회지 Vol.15 No.2

        Individual identification is an important part in medicolegal field especially in mass disaster. At July, 27, 1989, KAL KE-803 was crashed on landing at Tripoli International Airport, Liba. The plane was caught in fire and sixty eight Koreans were sacrified. The majority of victims were severely charred and injured. The authors examed all dead bodies and successfully identified all the cases through visual, anthropological, odontological, radiological and pathological methods including fingerprint and blood typing.

      • 식도 이물로 진단되었던 기도 이물

        강성호,진정언,홍석찬 건국대학교 1997 學術誌 Vol.41 No.2

        Inhalation of a foreign body into the respiratory passage is a frequent in children and sometimes fatal accident. It can produce different symptoms and signs, which may be confused with esophageal foreign body. On occasion, it can be not only followed by some pulmonary complications, but also it is often delayed to be removed Recently, we experienced a bronchial foreign body, which was misdiagnosed a esophageal foreign body. It was successfully removed via ventilating bronchoscope, after esophagoscopy and reevaluation of a foreign body in operating room. We report this case with review of the literacture.

      • 중이 수술후 청력 변화에 대한 임상적 고찰

        홍석찬,강성호,이광희 건국대학교 의과학연구소 1994 건국의과학학술지 Vol.4 No.-

        statistical analysis of bone conduction loss in chronic otitis media has not been exactly reported until now. Authors studied the relationship between the preoperative bone conduction hearing level and age, nature of middle ear and temporal bone pathology, pneumatization of mastoid in 97 ears of chronic uppurative otitis media performed middle ear surgery at Konkuk University Hospital from March 1992 to December 1992. The results were as following: The mean bone conduction threshold was 16.2±12.4dB. In the cases of ossicular defect, bone conduction loss was greater in total destruction than in partial destruction with statistical significance. Among ossicular defect, incus destruction group showed more bone conduction loss than intact incus group with statistical significance. There was no difference of bone conduction loss according to pathologic findings in middle ear cavity and mastoid antrum, but pathologic groups showed more bone conduction loss than control group with normal temporal bone pneumatization with statistical significance. Comparing pneumatization of mastoid antrum and mastoid process, there was statistically significant bone conduction loss in orders of pneumatic type, diploic type, sclerotic type, cholesteatoma cavity. There was no difference of bone conduction hearing level according to age, sex, and duration of disease process with statistical significance. The results suggest that the bone conduction threshold in chronic otitis media is influenced by artificial elevation due to conductive defect and can be improved by reconstructive surgery.Many patients being followed for chronic suppuration of the middle ear were observed to have sensorineural or mixed type hearing loss. The major cause of this bone conduction loss might be secondary to cochlear biochemical changes occuring through the round window membrane. But, clinical and statistical analysis of bone conduction loss in chronic otitis media has not been exactly reported until now. Authors studied the relationship between the preoperative bone conduction hearing level and age, nature of middle ear and temporal bone pathology, pneumatization of mastoid in 97 ears of chronic suppurative otitis media performed middle ear surgery at Konkuk University Hospital from March 1992 to December 1992. The results were as following: The mean bone conduction threshold was 16.2±12.4dB. Inthe cases of ossicular defect, bone conduction loss was greater in total destruction than in partial destruction with statistical significance. Among ossicular defect, incus destruction group showed more bone conduction loss than intact incus group with statistical significance. There was no difference of bone conduction loss according to pathologic findings in middle ear cavity and mastoid antrum, but pathologic groups showed more bone conduction loss than control group with normal temporal bone pneumatization with statistical significance. Comparing pneumatization of mastoid antrum and mastoid process, there was statistically significant bone conduction loss in orders of pneumatic type, diploic type, sclerotic type, cholesteatoma cavity. There was no difference of bone conduction hearing level according to age, sex, and duration of disease process with statistical significance. The results suggest that the bone conduction threshold in chronic otitis media is influenced by artificial elevation due to conductive defect and can be improved by reconstructive surgery.

      • 코골음 및 무호흡증 환자에서 구개인두 성형술의 효과

        강성호,홍석찬,이광희 건국대학교 의과학연구소 1995 건국의과학학술지 Vol.5 No.-

        코골음 및 수면 무호흡증은 비중격 만곡, 편도비대, 비인강 협착 및 인두내 종물, 늘어진 구개 수나 연구개, 거대설, 후두낭종 등에 의한 해부학적 이상 소견으로 상기도 폐쇄를 일으켜서 나타 나는 것으로서 구개인두 성형술을 시행함으로써 상기도 폐쇄로 인해 생길 수 있는 합병증의 발생을 예방함과 동시에 코골음과 수면 무호흡증을 치료하는 데 기여할 것으로 사료된다. Sleep disorders as new disease entities continue to increase clinical experiences and increase their significance. Obstructive Sleep apnea syndrome is a disorder characterizd by subjective symptoms including daytime hypersomnolence, headache, altered mention, and snoring. Objective measurement using polysomnography documents episodes of apnea and desaturation level that provides more important information. In this study, we analyzed the changes of snoring and sleep apnea after uvulopalatopharyngoplasty. Postoperatively, snoring was shown to have been cured or improved in 92% of cases, while sleep apnea was improved in 69% of cases. This means that uvulopalatopharyngoplasty is mandatory to relieve the upper airway obstruction caused by anatomical abnormalities.

      • KCI등재후보

        개에서 디스템퍼 바이러스와 톡소플라즈마의 혼합 감염

        강홍원,강상철,양형석,배종희,김재훈 한국임상수의학회 2004 한국임상수의학회지 Vol.21 No.1

        A 3 month-old male dog with clinical signs of anorexia, soft stool, ocular and nasal discharge, cough and respiratory distress was submitted to the Cheju National University for diagnosis. At necropsy, tan to purple-red sublobar to lobar consolidations were presented in apical and cardiac lobe of lung. Histopathologically, severe diffuse bronchointerstitial pneumonia with necrotic bronchiolitis was noted in the lung. The demyelinating encephalitis and astrocytosis were presented in cerebellum and cerebrum. Numerous round, ovoid or cluster of tachyzoites were also identified in alveolar lumen, alveolar wall and cytoplasm of macrophages in the lung. The orgasnisms were demonstrated as Toxoplasma (T) gondii by immunohistochemistry. Intranuclear or intracytoplasmic eosinophilic inclusion bodies were seen in the glial cells of the cerebellum. Canine distemper virus (CDV) specific antigens were demonstrated in the cerebellum by the immunohistochemistry. In our knowledge, this is believed to be the first confirmed report of co-infection of CDV and T gondii in dog in Korea.

      • 안와 내벽 외향 골절의 내시경적 비내 재건술

        홍석찬,진정언,강성호 건국대학교 의과학연구소 1997 건국의과학학술지 Vol.7 No.-

        The orbital blowout fracture occurs when a convex object(usually a baseball and a fist) larger in diameter than orbital rim strikes the orbit, increasing intraorbital pressure and producing hydraulic forces in all directions, which explodes the bony margin. The most frequently site of fracture is the bony floor in the region of the infraorbital canal, less frequently medial orbital wall, that is, lamina papyracea. Medial orbital wall fractures are also seen with other types of facial fractures such as frontal, nasoethmoid, and maxillary injuries. With the advent of nasal endoscope, endoscopic intranasal reconstruction has substituted for external approach. We experienced a case of blowout fracture of left medial orbital wall, which was treated with endoscopic intranasal reconstruction method and report this case with the review of the literature.

      • 3차원적 측두골 전산화 단층촬영을 이용한 중이질환에 대한 임상적 고찰

        강성호,김진국,홍석찬 건국대학교 의과학연구소 1997 건국의과학학술지 Vol.7 No.-

        Study of the complex anatomy and pathology of the temporal bone has traditionally used permitted analysis in only two dimensional computed tomography. Recent technological advances in clinical application of computed tomography have made 3-dimensional reconstruction from consecutive axial tomography possible. This new method improves the assessment and therapy of patients undergoing surgical procedures for disease involving temporal bone. Three dimensional computed tomography was performed in 20 patients, involved the middle ear and temporal bone. 5 examples are demonstrated here and we concluded that this new method improves the display of the location and state of pathology and affords accurate therapeutic and surgical planning.

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