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문석균 외 중앙대학교 의과대학 의학연구소 2006 中央醫大誌 Vol.31 No.4
Nasolabial cysts are rare benign lesions that occur in the nasal alar region. They probably arise either from the anlage of the nasolacrimal duct system or as epithelial inclusion cysts trapped between the merging nasal and maxillary processes of the developing facial skeleton. They has been usually presented as a smooth, mobile, soft tissue mass between the upper lip and nasal aperture, producing protrusion of the upper lip, elevation of the nasal ala and inferior turbinate, effacement of the nasolabial fold. Slow painless enlargement of these lesions may be noted over several years, or they may present with more sudden, painful swelling when infected. The lesions are extraosseous, but scalloping of the underlying bone may be seen. The treatment of choice is surgical resection by intraoral sublabial approach. We report, with a review of literature, a case of nasolabial cyst which involves left alveolus, hard palate and extends into right premaxillary area.
임문혁,김문석,김희중 啓明大學校 産業技術硏究所 1997 産業技術硏究所 論文報告集 Vol.20 No.-
It was well known that 70-80% of the fracture of steel plate was due to fatigue fracture. A fatigue behvaior of infinite steel plate was examined in this study. The stress concentration phenomenon around the hole in the steel plate was an important factor for the fatigue fracture. The diameter of the holes existing in the steel plate were varied from 0.1mm up to 0.4mm, and the number of hole was 1 and 3 in this study. It was shown that the stress concentration was exponentially increased as the angle of the crack in the plate was decreased. The initial value of stress concentration was smoothly increased as the diameter of hole was when the hole existed in the steel plate logarithmically decreased as the angle of hole was decreased. As a result of this study, it was found that the fatigue strength decreased extreamly when the small hole occurred in the steel plate. Consequently, greate care for fatigue strength should be excercised in designing steel mumbers.
Seog-Kyun Mun,Young-Ho Hong,Sung-Nam Hwang,강석형 대한신경외과학회 2010 Journal of Korean neurosurgical society Vol.48 No.11
A 57- year-old man presented to the outpatient department with sudden bilateral hearing loss. The otological examination suggested bilateral severe sensorineural hearing loss. After several hours, the patient complained of a headache and became drowsy. The brain computed tomography showed a 3 x 4 cm intracerebral hemorrhage (ICH) of the left temporal lobe. Surgery was performed and 34 days after the procedure the patient was discharged from the hospital with severe bilateral sensorineural hearing loss (SNHL). Temporal lobe ICH should be considered in the differential diagnosis of patients with sudden bilateral hearing loss, regardless of the other neurological symptoms.
Mun, Seog-Kyun,Hong, Young-Ho,Kang, Suk-Hyung,Hwang, Sung-Nam The Korean Neurosurgical Society 2010 Journal of Korean neurosurgical society Vol.48 No.5
A 57-year-old man presented to the outpatient department with sudden bilateral hearing loss. The otological examination suggested bilateral severe sensorineural hearing loss. After several hours, the patient complained of a headache and became drowsy. The brain computed tomography showed a $3{\times}4\;cm$ intracerebral hemorrhage (ICH) of the left temporal lobe. Surgery was performed and 34 days after the procedure the patient was discharged from the hospital with severe bilateral sensorineural hearing loss (SNHL). Temporal lobe ICH should be considered in the differential diagnosis of patients with sudden bilateral hearing loss, regardless of the other neurological symptoms.