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평활근 증식과 점액성 기질 변화를 보인 사구맥관근종 1 예
김창덕(Chang Duk Kim),박재홍(Jae Hong Park),류영욱(Young Wook Ryoo),김병천(Byung Chun Kim),이규석(Kyu Suk Lee) 대한피부과학회 2001 대한피부과학회지 Vol.39 No.10
Glomus tumors are benign neoplasms that are derived from modified smooth muscle cells known as glomus cells. Histologically, it can be subdivided as glomus tumor proper, glomangioma, and glomangiomyoma according to relative proportions of components. Glomangiomyomas are the least frequent type and their overall architectural pattern may resemble glomus tumor proper or glomangioma, but there is a gradual transition from glomus cells to elongated mature smooth muscle cells. This transition is most obvious in the region surrounding large vessels. We present a case of glomangiomyoma of the left upper arm and the left fourth finger, in which ten-year history of two painful, bluish-colored subcutaneous nodules. On histologic examination, this case showed marked smooth muscle cell proliferation around large vessles and mucinous stromal change. (Korean J Dermatol 2001;39(10) 1147-1151)
김창덕 ( Chang Duk Kim ),김창욱 ( Chang Ook Kim ),김병천 ( Byung Chun Kim ),이규석 ( Kyu Suk Lee ) 대한피부과학회 2003 大韓皮膚科學會誌 Vol.41 No.7
N/A Background : Many studies focused on the distribution of skin tumors in Korea, but none of them included whole data refered from deparments other than dermatology and primary physicians. Objective : This study was to investigate the incidence and distribution of skin tumors among Korean people. Methods : A study was made on 1448 cases of skin tumors which were obtained mainly from surgical pathology specimen during the period of 10 years from 1992 to 2001 at Department of Dermatology in Keimyung University Dongsan Medical center. Results : 1. Of the 1448 cases of skin tumors, 1171 cases(80.9%) were benign tumor, 277 cases (19.1%) were malignant tumor and male to female ratio was 1:1.1. 2. Among the 1171 cases of benign tumors, 174 cases of melanocytic nevi, 173 cases of epidermal cyst, 109 cases of seborrheic keratosis, 62 cases of granuloma pyogenicum were noted. 3. Among 277 cases of malignant tumors, 107 cases of basal cell carcinoma, 58 cases of squamous cell carcinoma, 27 cases of metastatic cutaneous carcinoma, 24 cases of Bowen disease were noted. 4. The predilection sites of Intradermal nevi were face(38.4%), trunk(17.4%), scalp(16.3%), and those of epidermal cyst were face(41.0%), trunk(29.5%), neck(8.1%), The predilection site of basal cell carcinoma, squamous cell carcinoma was face(80.4%, 58.6%). Conclusion : The 1448 cases of skin tumors, which were confirmed histologically from surgical pathology specimen at Department of Dermatology in the Keimyung University Dongsan Medical Center during the period of 10 years from 1992 to 2001, were reviewed.
Chang Duk Lee(李昌德) 한국육종학회 1992 한국육종학회지 Vol.24 No.4
This study was conducted to introduce genes of blast resistrance from Lead rice to common rice varieties. Blast-resistant plants were screened from trisomics serise which added a Lead rice chromosome. Resistant disomics were obtained in the 3rd selfed generation of the above plants as well as in the process of producting the trisomics. These disomics were crossed with common varieties and selfed generation to generation. Eighteen lines having blast registance and other agronomically valuable characteristics were selected in F₈. Two lines selected from anther-cultured line were not satisfactory for blast resistance but useful in the agronomic characters.
R407C를 적용한 슬릿휜-관 열교환기의 증발특성에 관한 연구
김창덕(Chang-Duk Kim),장경근(Kyoung-Keun Jang),남임우(Leem-Woo Nam),전창덕(Chang-Duk Jeon),이진호(Jinho Lee) 대한기계학회 2001 대한기계학회 춘추학술대회 Vol.2001 No.9
This paper presents the evaporation characteristics of slit fin-tube heat exchanger installed into air-conditioning machines, due to the use of the alternative refrigerant. The experiments were conducted in order to investigate the effects of the temperature glide and the length of two phase region for ternary non-azeotropic refrigerant mixture R407C, which is one of the potential candidates for pure refrigerant R22. Test were conducted in a closed loop wind tunnel. The evaporation temperature of the refrigerant at the test section inlet were maintained at 7℃. The data covers a range of refrigerant mass fluxes 150-250 ㎏/㎡s supplied with air flows at velocities in the range 0.6-1.6 ㎧.