http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김현식(Hyun Shig Kim),조경아(Kyung A Cho),황도연(Do Yean Hwang),김건욱(Kuhn Uk Kim),강용원(Yong Won Kang),박원갑(Weon Kap Park),윤서구(Seo Gue Yoon),이광렬(Kwang Real Lee),이종균(Jong Kyun Lee),이중달(Jung Dal Lee),김광연(Kwang Yun K 대한소화기학회 2000 대한소화기학회지 Vol.36 No.3
Granular cell tumor is rare and is thought to originate from neurogenic cells. The tumor rarely occurs in the colon and its occurrence in the appendix is extremely rare. We report a case of granular cell tumor developed in the appendix for the first time in Korea. The tumor was discovered incidentally during colonoscopy and removed by using an endoscopic polypectomy. The expression of S-100 protein and lack of desmin represent that the tumor is relatd with Schwann cell originally. (Kor J Gastroenterol 2000;36:404 - 407)
이종균,임석원,김현식,이광렬,박원갑,유정준,황도연,김건욱 대한소화기내시경학회 1999 Clinical Endoscopy Vol.19 No.3
Background/Aim: While detection and removal of polyps on the basis of the adenoma- carcinoma sequence has been a principal procedure for endoscopists, a new type of early colorectal cancer has been recognized and has become a hot issue. This new ailment is a depressed-type early colorectal cancer, which has the characteristics of rapid growth and early invasion of the submucosa. Though once considered to be mere conjecture, many researchers claim that this cancer is a de novo carcinoma despite of its rare occurrence. Recently, 4 depressed-type neoplastic lesions were presented, which signifies the importance of recognizing that this type of cancer exists and is characterized by rapid growth and early invasion of the submucosa. Methods: The 4 recently experienced depressed neoplastic lesions were reviewed and analyzed with respect to their endoscopic and clinicopathologic characteristics. The sizes of the lesions were measured in the fully inflated state of the bowel by using an endoscopic ruler. Results: The sites of predilection were the descending and sigmoid colon. All of the lesions were under 10 mm, with 75% being below 5 mm. The largest lesion was an 8-mm, well-differentiated mucosal carcinoma. The overall malignancy rate was 25%. Light redness was observed in all patients. Distortion with air transformation of the mucosal fold was also recognized in all the patients. The main treatment was endoscopic mucosal resection, which amounted to 50%. Conclusions: Depressed colorectal neoplasms are real. They can be determined by their characteristic endoscopic features, such as light redness and distortion with air transformation of the mucosal fold. Because of their characteristics of rapid growth and early invasion of the submucosa, it is important to detect and manage them in an early stage, when their sizes are below 10 mm.
대장 점막하 침습암에 대한 검토 : 내시경적 특징과 내시경 치료의 한계
이종균,임석원,김현식,이광렬,박원갑,유정준,황도연,김건욱 대한소화기내시경학회 1999 Clinical Endoscopy Vol.19 No.3
Background/Aims: A superficially invasive cancer in the colon is considered a candidate for an endoscopic resection. Therefore, detecting a superficially invasive cancer and differentiating it from a massively invasive cancer is an important key in selecting proper treatment. In order to accomplish this purpose, exact knowledge of the characteristics of submucosal invasive cancers is required. In this study, attempts to define those endoscopic features and draw guidelines for treatment were made. Methods: Recently, 23 submucosal invasive cancers were experienced. All of them were detected by an endoscopic examination, and were treated by endoscopic therapy and/or surgical resection. These cancers were reviewed and analyzed with emphasis on size, configuration, differentiation, and treatment. Results: The most common sizes ranged from 10 mm to 19 mm (47.8%). There were two minute lesions below 5 mm. The most common type of lesions was sessile (43.5%). Most lesions showed redness and 60.9% showed hardness. Many cases had characteristic features such as nodules (47.8%), bleeding easily upon touch (39.1%), erosion (39.1%), and white spots (34.8%). Other characteristic features were expanded figures, depressions, and mucosal convergence. Moderately-differentiated adenocarcinomas were predominant (8/15, 53.3%), and there were four polypoid cancers (4/17, 23.5%). In 43.5% of the lesions, only endoscopic treatment was enough. Forty-four percent of all patients treated endoscopically needed additional surgical resections because of uncertainty with respect to complete excision of the cancer and/or a poorly-differentiated adenocarcinoma with lymphatic invasion. There was no lymph node metastasis in any of the patients who underwent surgical resections, and three of them had no residual tumors, as the endoscopic treatment had completely excised the cancer. Conclusions: Accurate information on submucosal invasive cancers and recognition of the endoscopic characteristics of submucosal invasive cancers are necessary for their detection and management in an early stage. Moreover, it is possible to differentiate superficially invasive cancers from massively invasive ones by their characteristic features. Therefore, in selected patients with superficially invasive cancers, surgical resections can be avoided.
이철호,박세영,이종균,임석원,김현식,이광렬,유정준 대한소화기내시경학회 1996 Clinical Endoscopy Vol.16 No.6
Lymphoid polyp is a rare disease in the colorectal area. It occurs commonly in the rectum. It is a nonepithelial benign tumor. Because of the benignancy of its nature, it has other names as well, such as benign lymphoma or rectal tonsil. A lymphoid polyp can be differentiated from a malignant lymphoma by the proliferation of normal lymphoid tissue which has a prominent follicular pattern and a clearly defined germinal center. A lymphoid polyp can regress spontaneousely without any treatment. There is no recurrence or malignant transformation. Recently, the authors experienced a case of lymphoid polyp in the rectum. We report a case of lymphoid polyp in the rectum diagnosed by piecemeal polypectomy.