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3차원 전산화단층촬영 영상을 이용한 안면 연조직 두께 계측의 임상적 유용성
정호걸,김기덕,한승호,허경석,이제범,박혁,최성호,김종관,박창서 대한구강악안면방사선학회 2006 Imaging Science in Dentistry Vol.36 No.2
Purpose : To evaluate clinical usefulness of facial soft tissue thickness measurement using 3D computed tomographic images. Materials and Methods : One cadaver that had sound facial soft tissues was chosen for the study. The cadaver was scanned with a Helical CT under following scanning protocols about slice thickness and table speed; 3 mm and 3 mm/sec, 5 mm and 5 mm/sec, 7 mm and 7 mm/sec. The acquired data were reconstructed 1.5, 2.5, 3.5 mm reconstruction interval respectively and the images were transferred to a personal computer. Using a program developed to measure facial soft tissue thickness in 3D image, the facial soft tissue thickness was measured. After the ten-time repeation of the measurement for ten times, repeated measure analysis of variance (ANOVA) was adopted to compare and analyze the measurements using the three scanning protocols. Comparison according to the areas was analyzed by Mann-Whitney test. Results : There were no statistically significant intraobserver differences in the measurements of the facial soft tissue thickness using the three scanning protocols (p>0.05). There were no statistically significant differences between measurements in the 3 mm slice thickness and those in the 5 mm, 7 mm slice thickness (p>0.05). There were statistical differences in the 14 of the total 30 measured points in the 5 mm slice thickness and 22 in the 7mm slice thickness. Conclusion : The facial soft tissue thickness measurement using 3D images of 7 mm slice thickness is acceptable clinically, but those of 5 mm slice thickness is recommended for the more accurate measurement.
박성후 ( Seong Hu Park ),이승근 ( Seong Geun Lee ),김상미 ( Sang Mi Kim ),김근태 ( Gun Tae Kim ),백승훈 ( Seung Hoon Baek ),박영은 ( Young Eun Park ) 대한류마티스학회 2013 대한류마티스학회지 Vol.20 No.1
Castleman`s disease is a rare atypical lymphoproliferative disorder. Although HHV-8 has been reported to be a cause of Castleman`s disease, the etiology and pathogenesis of the disease remains mostly unknown. We experienced a 51- year-old female patient who was concurrently diagnosed with Castleman`s disease and systemic lupus erythematosus. Castleman`s disease has been rarely reported in patients with systemic lupus erythematosus. Thus, we report the case and briefly discuss relevant articles.
박성후 ( Seong Hu Park ),이동건 ( Dong Gun Lee ),최정문 ( Jeong Mun Choi ),서종훈 ( Jong Hun Seo ),양미진 ( Mi Jin Yang ),임대관 ( Dae Kwan Lim ),이상호 ( Sang Ho Lee ) 대한내과학회 2010 대한내과학회지 Vol.79 No.1
Abdominal tuberculosis usually affects the gastrointestinal tract, peritoneum, lymph nodes, liver or spleen. Tuberculosis of the spleen is uncommon, except when associated with miliary dissemination. We report a case of a 33-year-old man with tuberculosis of the accessory spleen, which was originally suspected to be a distal pancreatic tumor. He was admitted with a history of left upper quadrant abdominal pain for 3 months. Computed tomography imaging of the abdomen revealed a 4.5 cm sized poorly defined hypodense mass in the distal pancreas and showed multiple focal hypodense lesions in the enlarged spleen. We performed distal pancreatectomy and splenectomy under the preoperative expectation of a distal pancreatic tumor. Microscopic examination of the specimens revealed accessory splenic tuberculosis associated with splenic tuberculosis. Following this, he was treated with appropriate antituberculosis drugs and was discharged without any complications. (Korean J Med 79:53-56, 2010)
생쥐 배의 배반포 형성과 세포수에 미치는 Glucose의 영향
박성백 ( Park Seong Baeg ),김지철 ( Kim Ji Cheol ),박기상 ( Park Gi Sang ),이택후 ( Lee Taeg Hu ),전상식 ( Jeon Sang Sig ),송해범 ( Song Hae Beom ) 대한산부인과학회 2004 Obstetrics & Gynecology Science Vol.47 No.4
Objective: Mammalian embryos undergo changes of energy environment for transfer from oviduct to uterus. An experimental design was used to examine the effects of glucose on the development in vitro of mouse embryos. Methods: Two cell embryos were recovere
박상후(Sang Hu Park),김성진(Seong Jin Kim),박희진(Hee Jin Park),이주철(Joo Chul Lee),신보성(Bo Sung Shin) 한국고분자학회 2013 폴리머 Vol.37 No.1
본 연구에서는 스탬프와 레진의 접촉-인장 방법을 이용하여 고 세장비를 가지는 폴리머 마이크로 헤어를 제작하는 공정을 제안하였다. 또한 광경화시 수축방향에 따라 마이크로 헤어에 표면주름이 다르게 생성되는 것을 실험적으로 관찰하였으며, 헤어의 직경이 20 μm 부근일 때, 일정한 패턴을 가진 표면주름이 제작되었다. 이 직경에서 스탬프와 레진의 접합력 보다 수축력이 더 크게 되어 광경화 도중에 레진이 스탬프에서 분리되면서 단방향의 수축을 유도하게 되어 일정한 간격의 주름이 발생하는 것으로 사료된다. 본 연구의 기초결과를 이용하여, 향후 균일한 표면주름을 가지는 다양한 형태의 마이크로 폴리머 헤어를 제작할 수 있을 것으로 사료되며, 생체모사, 열전달 및 촉매 촉진과 같은 표면적과 관련된 기술 등 다양한 분야에 응용이 가능할 것으로 사료된다. We proposed a new process to fabricate a highaspect- ratio microhair having surface wrinkles using the contactand- tension of a microstamp. Through this work, we observed that regular surface wrinkles were generated on the hair with a diameter of around 20 μm due to the uni-directional compressive stress during the photocuring process by ultraviolet light. To do this, we conducted an experimental system setup for contactand- tension process. From the preliminary test results, we believed that the proposed method can be applied to make a long polymer hair having surface wrinkles for special applications to biomimetics, and some research fields related on surface area such as heat transfer and catalyst enhancement.
( Eun Kyoung Park ),( Seung Geun Lee ),( Ik Soo Byon ),( Sun Hee Lee ),( Seong Jun Lee ),( Yoon Jeong Nam ),( Ji Hye Park ),( Geun Tae Kim ),( Young Eun Park ),( Seong Hu Park ),( Joung Wook Lee ),( J 대한류마티스학회 2014 대한류마티스학회지 Vol.21 No.2
Tjalma or pseudo-pseudo Meigs` syndrome is a clinical condition that is characterized with ascites, pleural effusion, and increased serum CA-125 levels in patients with systemic lupus erythematosus (SLE) without the presence of ovarian tumor. On the other hand, Meigs` and pseudo-Meigs` syndromes represent the same manifestations with ovarian tumor. In this case report, we present a 43-year-old SLE patient suffering from Tjalma syndrome with the coexistence of incidental ovarian teratoma, who was successfully treated with intravenous immunoglobulin-G adjunctive therapy after inadequate response to surgical excision of the ovarian tumor, steroid, and cyclophosphamide pulse therapy.