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TangibleScreen 객체중심 프로젝션을 통한 상호작용성 향상
신선형,김정현,Shin, Seon-Hyung,Kim, Joung-Hyun Gerard 한국컴퓨터그래픽스학회 2003 컴퓨터그래픽스학회논문지 Vol.9 No.1
Most interaction schemes in virtual environment are indirect in one way or another. ln particular, without a haptic device (which introduces its own problems due to its cumbersomeness), users must rely on visual (or/and aural) feedback, and can not directly appreciate the 3Dness of the interaction object even with stereoscopy. This causes a drop in object presence because people are used to, for instance, observing objects in one's hand, rotating and manipulating them with physical contact. To alleviate this problem, this paper proposes a hand-held cubic screen, named TangibleScreen, on which the appearance of the target interaction object is projected. We choose the Relief Texture Mapping as the rendering method to correctly generate the viewer dependent textures to be projected on the non-planar surfaces of the TangibleScreen.
수술 전 관상피내암으로 진단되었던 환자에서 침윤성 유방암이 발견될 위험 인자
신선형(Sun Hyoung Shin),김병천(Byung Chun Kim),송영주(Young Ju Song),윤현철(Hyun Chul Yoon),조진성(Jin Seong Cho),박민호(Min Ho Park),윤정한(Jung Han Yoon),제갈영종(Young Jong Jegal) 대한외과학회 2011 Annals of Surgical Treatment and Research(ASRT) Vol.80 No.2
Purpose: Ductal carcinoma in situ (DCIS), unlike invasive ductal carcinoma, does not require sentinel lymph node biopsy or axillary lymph node dissection because the possibility of axillary lymph node metastasis is low. However, occasionally, despite preoperative diagnosis of DCIS, invasive ductal carcinoma can be diagnosed by postoperative biopsy. Therefore, a study of the associated risk factors is necessary. Methods: 198 patients with an initial diagnosis of DCIS, treated between February 2005 and December 2009, were retrospectively analyzed. Associations between clinical and pathologic factors were analyzed for significance using univariate and multivariate analyses. Results: Of the 198 patients, 57 (28.8%) were found to have invasive disease on final pathology. Multivariate analysis revealed 4 independent predictors of invasive cancer upon final pathology: diagnosis by needle biopsy (OR, 3.165; P=0.008), positive p53 on preoperative biopsy (OR, 2.494; P=0.019) DCIS size (>2 ㎝) on microscopic finding (OR, 2.683; P=0.014), and relatively young age (OR, 0.958, P=0.046). Of the 13 patients with positive axillary lymph nodes, 11 (84.6%) were shown to have invasive cancer on final pathology (P<0.001). Conclusion: In cases of preoperative diagnosis based on needle biopsy, positive p53, large tumor, and relatively young age, an SLNB procedure can be considered because in almost 30% of the patients an invasive carcinoma is found after surgery.
성인에서 동시성 양측 서혜부 탈장과 이시성 반대측 서혜부 탈장에 대한 임상적 고찰
신선형(Sun Hyoung Shin),박찬용(Chan Yong Park),김정철(Jung Chul Kim),최수진나(Soo Jin Na Choi),김신곤(Shin Kon Kim) 대한외과학회 2009 Annals of Surgical Treatment and Research(ASRT) Vol.77 No.1
Purpose: We are to describe the incidence and accordance rate of hernia type in synchronous bilateral and metachronous contralateral inguinal hernia. Methods: We retrospectively reviewed the medical records of 625 adult patients who underwent inguinal hernia repair by a single surgeon at our institute between November 2001 and October 2008. We divided the patients into 3 groups; Synchronous bilateral inguinal hernia group (SH), Metachronous contralateral inguinal hernia group (MH) and Unilateral inguinal hernia group (UH) and analyzed patients’ general clinical features and outcomes. Results: Male patients numbered 578 (92.5%) and female patients numbered 47 (7.5%), so the male to female ratio was 12.3:1. Each number of SH and MH were 49 (7.8%) and 59 (9.4%). In MH, the mean interval of counterlateral hernia development following ipsilateral hernia repair was 8.9 years and 20 (33.9%) were developed in a 3-year period. And the incidence of right hernia development after repair of left hernia predominated over left hernia development after repair of right hernia by a ratio of 1.27:1. Accordance rate of hernia type in both sides was 83.8% in SH and 91.2% in MH. Conclusion: The incidence of SH and MH were each 7.8% and 9.4% and accordance rate of hernia type is very high in SH and MH. In MH, many patients (33.9%) developed in 3 years after ipsilateral hernia repair. In this study, patients have high accordance rate of hernia type in both sides and indirect type is dominant, especially in MH.
Superior Vena Cava Syndrome Arising from Central Venous Port Catheter in a Breast Cancer Patient
박영주,류영재,황민정,신선형,조진성,박민호,윤정한,임효순,이지신 한국유방암학회 2013 Journal of Breast Disease Vol.1 No.1
The prevalence of central venous thrombosis related with central venous port catheter is increasing but symptomatic thrombotic occlusion is hardly detected, so treatment is sometimes delayed. We presented a 60-year-old female patient who developed central venous thrombosis causing superior vena cava (SVC) syndrome after installment of a right subclavian vein port catheter. She underwent breast-conserving surgery followed by chemotherapy and target therapy. During trastuzumab therapy, she appealed sudden onset face and neck swelling. Because of early clinical suspicion, she recovered from SVC syndrome with anticoagulation therapy only.