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강석형,황성남,남택균,박승원 대한뇌혈관외과학회 2011 Journal of Cerebrovascular and Endovascular Neuros Vol.13 No.1
Objective : This study investigated the proportion of small cerebral aneurysm (<5 mm) to help in the decision making concerning unruptured small aneurysms using the proportion of ruptured small aneurysms as a guide. Methods : The records of aneurysm patients treated in our hospital from January 2004 to December 2006 were retrospectively reviewed. Patients with ruptured aneurysms were divided into five groups according to their sizes (Group1 defined as tiny :< 3, Group2 defined as very small: 3~5, Group3 defined as small: 5~7, Group4 defined as medium: 7~10 and Group5 defined as large: > 10mm). The clinical and radiological findings of the ruptured aneurysms were also evaluated. Results : The mean age of the 244enrolled patients was 54.6 years. The mean size of the rupture and the unruptured aneurysms was 6.8 mm. The proportions of aneurysm sizes were 7.8% (<3 mm), 30.7% (3~5 mm), 25.4% (5~7 mm), 19.3% (7~10 mm) and 16.8% (<10 mm). Conclusion : The proportion of small ruptured aneurysms (<5 mm) was appreciable; the proportion was not small just to observe. The proportion of very small ruptured aneurysms (3~5 mm) was significant in patients who required surgery or endovascular coiling. Although tiny aneurysms (<3 mm) may have a very low risk of rupture, they should be closely followed-up to preclude such a catastrophe.
Coexistence of Cerebral Amyloid Angiopathy and an Arteriovenous Malformation in a Young Adult
강석형,석종식,민병국,권정택 대한신경외과학회 2004 Journal of Korean neurosurgical society Vol.36 No.4
The prevalence and cerebral hemorrhage of cerebral amyloid angiopathy(CAA) are age-related. It is rare in young adults. The authors report on CAA coexisting with an arteriovenous malformation(AVM) in a 30-year-old male, who present with the sudden onset of headache and vomiting. Magnetic resonance imaging revealed a cerebral hemorrhage with an AVM. The AVM was completely removed through the hematoma and the histological section obtained from the periphery of the hematoma showed the typical findings of CAA. The ε4 allele of apoprotein E(apoE) was identified in genotype determination.
강석형,Seung Hong Choi,Nak Jong Seong,Jung Min Ko,Eun-Suk Cho,고광필 대한신경외과학회 2010 Journal of Korean neurosurgical society Vol.48 No.12
Objective : This study was undertaken to compare the diagnostic performances of magnetic resonance imaging (MRI), MR myelography (MRM)and myelography in young soldiers with a herniated lumbar disc (HLD). Methods : Sixty-five male soldiers with HLD comprised the study cohort. A visual analogue scale for low back pain (VAS-LBP), VAS for leg radiating pain (VAS-LP), and Oswestry disability index (ODI) were applied. Lumbar MR, MRM, and myelographic findings were checked and evaluated by four independent radiologists, respectively. Each radiologist was asked to score (1 to 5) the degree of disc protrusion and nerve root compression using modified grading systems devised by the North American Spine Society and Pfirrmann and the physical examination rules for conscription in the Republic of Korea. Correlated coefficients between clinical and radiological factors were calculated. Interpretational reproducibility between MRI and myelography by four bases were calculated and compared. Results : Mean patient age was 20.5 ± 1.1. Mean VAS-LBP and VAS-LP were 6.7 ± 1.6 and 7.4 ± 1.7, respectively. Mean ODI was 48.0 ± 16.2%. Mean MRI, MRM, and myelography scores were 3.3 ± 0.9, 3.5 ± 1.0, and 3.9 ± 1.1, respectively. All scores of diagnostic performances were significantly correlated (p < 0.05). However, none of these scores reflected the severity of patients’ symptoms. There was no statistical difference of interpretational reproducibility between MRI and myelography. Conclusion : Although MRI and myelography are based on different principles, they produce similar interpretational reproducibility in young soldiers with a HLD. However, these modalities do not reflect the severity of symptoms.
강석형,심기남,태정현,정혜경,정성애,이선화,이주호,성순희 대한소화기내시경학회 2011 Clinical Endoscopy Vol.42 No.6
A gastric duplication cyst is a rare congenital anomaly. Among gastrointestinal duplication cysts, gastric duplication cyst account for only 3.8%. They tend to be symptomatic in early childhood, but asymptomatic during adulthood. So its diagnosis is incidental. Abdominal pain is the most common complaint in adults, and most cases are discovered incidentally by radiological examination or endoscopic gastroduodenoscopy. Preoperative diagnosis of gastric duplication cyst is difficult, and definitive diagnosis requires pathological examination of the lesion. So far, about 8 cases of gastric duplication cyst have been reported in adults in the Korean literature. We report here a case of multiple gastric duplication cysts presenting with melena in a 14-year-old man, which were detected by endoscopic gastroduodenoscopy, abdominal computed tomography and endoscopic ultrasonography. They were treated by complete excision of the multiple gastric duplication cysts by laparoscopic wedge resection. 위장관 중복 낭종은 드문 선천성 질환으로 위장관 어느 부위에나 발생하며, 위에서 발생하는 중복 낭종은 전체의 3.8% 정도를 차지한다. 유아기에서는 증상이 있으나, 그 이후에 발견되는 경우에는 무증상인 경우가 많다. 위 중복 낭종은 수술전의 진단이 어렵고 최종 진단을 위해서는 병변부의 조직검사가 필요하다. 본 저자들은 흑색변을 주소로 내원한 14세 남자에서 상부위장관 내시경, 복부 전산화 단층촬영 및 내시경 초음파 검사로 분문부, 상부 위체부 대만부와 중부 위체부 대만부의 다발성 위 중복 낭종을 진단하고 복강경적 쐐기 절제술로 치료한 1예를 경험하여 보고한다.
강석형,백명기,고선혜,황현중,이상엽,문성진,박정근 대한상부위장관ㆍ헬리코박터학회 2019 Korean Journal of Helicobacter Upper Gastrointesti Vol.19 No.1
Chest pain in kidney transplant patients is usually caused by cardiac or pulmonary problems. However, it may be rarely caused by opportunistic esophageal infections. A 66-year-old female kidney transplant recipient was admitted because of chest pain. She had been treated with high-dose steroid and immunosuppressants for acute T-cell-mediated rejection. Cardiologic and pulmonary evaluations had normal results. Endoscopic examination revealed three clear ulcerative lesions in the esophagus. Histological and immunohistochemical staining of the endoscopic biopsy specimens revealed coinfection of herpes simplex virus and cytomegalovirus. The patient was treated with intravenous ganciclovir for 2 weeks. Her symptoms completely resolved, and follow-up endoscopy revealed complete healing of the previous ulcers. Viral esophagitis should be considered in the differential diagnosis in kidney transplant recipients presenting with chest pain. (Korean J Helicobacter Up Gastrointest Res 2019;19:61-64)
강석형,김강민,이중우 한국항해항만학회 2007 한국항해항만학회 학술대회논문집 Vol.2 No.추계
최근의 친환경적인 개발의 시대적 요구에 따라 해안공학적 측면에서 워터프런트 개발 사례를 살펴보고 앞으로의 개발전망, 개발과제를 알아보고자 한다. 아울러 장래 항만 및 해안분야에서 워터프런트의 다양한 개발이 이루어 질 예정이므로 해양기술자들은 지속가능한 개발 환경을 조성하기 위한 적극적인 연구.노력이 필요할 것으로 사료된다.