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무정자증 환자에 있어서 고환내 Leydig 세포의 변화에 관한 초미세형태학적 연구
기근홍,문현준,최봉남 朝鮮大學校 附設 醫學硏究所 1993 The Medical Journal of Chosun University Vol.18 No.1
The Leydig cells are identified in a peritubular boundary area of the testicular interstitium. These cells are differentiated in situ from myoid cells within the boundary layer and invaded into the interstitial tissue at puberty. The materials for study consisits of twenty cases of azospermia with cryptorchidism confirmed by sperm analysis at Chosun University Hospital. All cases were performed by hematoxylineosin stain and PAS stain for detection of Leydig cells, and ultrastructural abservation for change of cytoplasmic organelles in azospermic patients. The results obtained are follows. The leydig cells in the interstitial tissue of azospermic testis forming large clusters and showing hypertrophic change. Within the cytoplasm, numerous dilated endoplasmic reticulum, disrrupted mitochondria and osmiophilic round bodies are seen. A few myoid cells within the boundary layer are hypertrophied and show an intermediate pattern between myoid cells and Leydig cells. There are unusual cells, either single or clusters, within the thickened boundary layer. They can be identified as Leydig cells similar to the ordinary Leydig cells in the interstitial tissue. This findings indicated that ordinary function of Leydig cells are intact, but it is thought that the decreased function may be due to damage of the testis in cryptorchidism.
농어촌 지역의 한방의료 이용 실태에 관한 조사 : 전남 신안군 장산면을 중심으로
宋峰根,黃忠演,文錫哉 圓光大學校 韓醫學硏究所 1992 원광한의학 Vol.2 No.1
The prevalence of disease is affected by cultural factors. Changing cultural and social pattern may modify patterns of disease. Today majority of labor force in rural community is elderly population with a concomitant increase in woman. We investigated prevalence of problems in rural population utilizing oriental medical clinic in Changsan-myon, Shinan-gun, Chunnam. The majority of patients in this area were female and in the 40 to 60s. Muscoskeletal problems had the highest incidence. Low back pain was leading complaints in the muscoskeletal problems and knee pain was the most common complaints in the digestive problems, headache in the neurologic problems. cough in the respiratory problems, hypertension in the circulatory problems, ear problems in the sense organ problems, pruritys in the dermatologic problems, leukorrhea and postmenopausal syndrome in the gynecologic problems, and dysuria and enuresis in the urinary problems. These results suggest that oriental medical physicians have attention to health care and management of the expanding population of elderly and female patients with high incidence of muscoskeietal problems in the rural community.
손효성,오창근,김문범,이재봉,장호선,권경술 대한피부과학회 2003 대한피부과학회지 Vol.41 No.6
Trichorhinophalangeal syndrome(TRPS) typeⅠis characterized by sparse and slow-growing hairs, pear-shaped nose, elongated philtrum, thin upper lip, and bone deformities, especially, cone-shaped epiphyses of the phalanges. The syndrome is inherited in an autosomal dominant manner. We report a case of TRPS typeⅠ with alopecia like male pattern baldness and Perthes-like changes on the right hip joint. (Korean J Dermatol 2003;41(6) : 801~804)
김병균,김문범,이재봉,오창근,장호선,권경술 대한피부과학회 2003 대한피부과학회지 Vol.41 No.3
Ectopic salivary tissue is an uncommon etiology of a neck mass in an infant. It is due to anomalous embryologic development of salivary tissue. We have experienced a case of cervical fistula due to ectopic salivary gland in 3-year-old male. The discharge is saliva-like and related to meals. Histopathologically, mucinous acini are located in lower dermis and subcutaneous fat. When a cystic neck mass or fistula is present on cervical area especially in children, an ectopic salivary gland should be considered as one of the causes. (Korean J Dermatol 2003;41(3) : 394∼396)
웹 상에서 스테가노그라피 기법을 이용한 안전한 데이터베이스 보안 구현
문봉근(Bong-Keun Moon),유두규(Du-Gyu Ryoo),고명선(Myung-sun Ko),엄기원(Ki-Won Eom),전문석(Moon-Seog Jun) 한국정보보호학회 2005 정보보호학회논문지 Vol.15 No.2
인터넷의 활용이 증가하면서 우리는 많은 양의 정보를 서로 공유하고 있으며, 다양한 형태의 데이터를 저장하는 데이터베이스의 사용이 증가하고 있다. 인터넷에서 다수의 사용자가 자료를 공유함에 있어서 인가되지 않은 사용자로부터 정보의 수정, 삭제, 조회로부터 보호하기 위하여 정보 보호 시스템이 절실히 요구되고 있다. 과거 데이터에 관한 보안은 대부분 여러 단계를 거치는 접근제어에 의존하는 소극적인 보안대책으로서, 비밀데이터의 내용을 원형 그대로 저장하고 있으므로 여러 가지 불법적인 공격에 대한 취약점을 갖고 있다. 본 논문에서는 웹 데이터베이스에서 특별히 보호가 요구되는 비밀 데이터 아이템의 내용을 불법적인 공격으로부터 보호하기 위해 스테가노그라피 기법을 이용한 데이터베이스를 구현하여 웹 상에서 불법 사용자가 데이터베이스의 내용을 획득하더라도 내용을 알 수 없어 완벽하게 데이터 아이템을 보호할 수 있다. As the usage of Internet grows, we share many informations among the others and use more database systems for a various type of data. However, secure database system, which prevents the unauthorized users from modification, deletion, and access, is urgently required for sharing data in Internet. Conventional technologies of a data security are passive methods which depend on several steps with an access control, and these methods are vulnerable against the illegal attack because attacker can see the plain text that is private message. To prevent private data item for the special security from the malicious attack in web database, this paper is devoted to implement database system using steganography method, so we can protect the data item completely because attacker cannot know the secure message although he get the content of database.
급성 담낭염의 비수술적 담낭배액술 - 내시경적 경비 담낭배액술 및 경피경간 담낭배액술을 중심으로
봉형근(Hyung Keun Bong),문종호(Jong Ho Moon),이영홍(Young Hong Lee),조영덕(Young Deok Cho),김진오(Jin Oh Kim),조주영(Joo Young Cho),김연수(Yun Soo Kim),이준성(Joon Seong Lee),이문성(Moon Sung Lee),황성규(Seong Gyu Hwang),심찬섭(Chan 대한소화기학회 1998 대한소화기학회지 Vol.30 No.1
N/A Background/Aims: Acute cholecystitis is the most common biliary emergency and until now, the choice of the treatment of this disease is surgical operation. But, the. Mortality and morbidity associated with surgical cholecystostomy in those patients are relatively high. Recently, PTCCD and ENGBD were developed as a useful method of nonsurgical cholecystic drainage in high surgical risk group of acute cholecystitis. The purpose of this study was tn assess the usefulness of nonsurgical cholecystic drainage such as PTCCD and ENCrBD in the patients with acute cholecystitis. Methods: Of 59 patients with acute cholecystitis treated with nonsurgical cholecystic drainage, 47 were calculous cholecystitis and 12 were acalculous cholecystitis. Nonsurgical chole- cystic drainages were successful in all 59 cases: PTCCD in 45 patients, ENGBD in rernaining 14 patients. 39 patients were treated with nonsurgical cholecystic drainages due to high surgical risk. In remaining 20 patients there were cholangiocarcinoma in 5 patients, netastatic heptna in 2, gallstone pancreatitis in 1, advanced gastric cancer in 2, refusal of surgery in 10. Results: The prompt clinical recovery were achieved in 42 patients(93.3%) with PTCCD and cornpletely in all 2 cases with ENGBD. In the group with 35 calculous cholecystitis performed PTCCD, 28 under- went PTCCS-L, 4 elective surgery and 3 died because of the underlying condition, In the group with 10 acalculous cholecystitis performed PTC(D, 8 patients need nr further treatment except drainage and remaining 2 patients underwent elective surgery. Jn the group with 12 calculous cholecystitis treated by ENGBD, 10 underwent elective surgery, l F.SWI. And I gallstone dissolu- tion with MTBE. In 2 acalculous cholecystitis treated by ENGBD, the one patient took no further treatment and the other underwent elective surgery. Complications related to PT( CD occurred in 10 of 45 patients, but there was no mortality re]ated to this procedure. No complications were noted related to ENGBD. Conclusions: We conclude that nonsurgical cholecystic drainage witli ENGBD and PTCCD were safe, effective and useful procedures for the management of acute cholecystitis, especially in high surgical risk group, (Korean J Gastroenterol 1997; 30:81 - 89)