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Adult metaplastic hutch diverticulum with robotic-assisted diverticulectomy and reconstruction:A case report 被引量:2
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作者 Che H Yang Yi S Lin +5 位作者 Yen C Ou Wei C Weng Li H Huang Chin H Lu Chao Y Hsu Min C Tung 《World Journal of Clinical Cases》 SCIE 2020年第20期4895-4901,共7页
BACKGROUND Hutch diverticulum arises from the compromised muscular development at the ureteral orifice.It is a congenital disease and extremely rare in adult,only accounting for about 3%occurrence worldwide.It can be ... BACKGROUND Hutch diverticulum arises from the compromised muscular development at the ureteral orifice.It is a congenital disease and extremely rare in adult,only accounting for about 3%occurrence worldwide.It can be either symptomatic or asymptomatic,and relies on image tools for diagnosis and preoperative planning.Indications for surgery are dependent on the complications from the diverticulum.Metaplasia is about 10%among those with hutch diverticulum,and it still has chances turning into malignancy,especially urothelial cell carcinoma.CASE SUMMARY A 27-year-old man was presented with frequently recurrent urinary tract infection for one year,and had suffered from intermittent right flank pain for 3 mo.No past medical histories were recorded before.No obvious abnormalities on laboratory data and urine examination were found.Under ultrasound,right hydronephrosis was seen and an anatomical abnormality was observed on intravenous pyelography.Further computed tomography urogram showed one diverticulum seated at superolateral side of right ureteral orifice.Cystoscopy was done and biopsy results showed focal metaplasia.After discussing with him,roboticassisted diverticulectomy with reconstruction was performed.Right hydronephrosis was greatly improved after surgery.He has completed his 1.5-year follow-ups,and no malignancies were seen from urine cytology and image of intravenous pyelography.CONCLUSION Robotic-assisted diverticulectomy and reconstruction to hutch diverticulum is a safe and efficient operation,providing several advantages over open and laparoscopic ones. 展开更多
关键词 Diverticulum complications Urinary bladder abnormalities Diverticulum surgery Robotic surgical procedures methods Treatment outcome Case report
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AN ITERATIVE PROCEDURE FOR DOMAIN DECOMPOSITION METHOD OF SECOND ORDER ELLIPTIC PROBLEM WITH MIXED BOUNDARY CONDITIONS 被引量:1
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作者 Lie-heng Wang (State Key Laboratory of Scientific and Engineering Computing, ICMSEC, Chinese Academy of Sciences, Beijing, China) 《Journal of Computational Mathematics》 SCIE CSCD 1997年第4期319-326,共8页
This paper is devoted to study of an iterative procedure for domain decomposition method of second order elliptic problem with mixed boundary conditions (i.e., Dirichlet condition on a part of boundary and Neumann con... This paper is devoted to study of an iterative procedure for domain decomposition method of second order elliptic problem with mixed boundary conditions (i.e., Dirichlet condition on a part of boundary and Neumann condition on the another part of boundary). For the pure Dirichlet problem, Marini and Quarteroni [3], [4] considered a similar approach, which is extended to more complex problem in this paper. 展开更多
关键词 EH MATH AN ITERATIVE procedure FOR DOMAIN DECOMPOSITION method OF SECOND ORDER ELLIPTIC PROBLEM WITH MIXED BOUNDARY CONDITIONS
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On Application of Output-Driven Hypothesis on College English Teaching
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作者 WANG Li 《Sino-US English Teaching》 2015年第7期485-490,共6页
This paper discusses how college English teaching can be carried out based on the output-driven hypothesis. It consists of three sections. Section one briefly describes the views of the output-driven hypothesis with r... This paper discusses how college English teaching can be carried out based on the output-driven hypothesis. It consists of three sections. Section one briefly describes the views of the output-driven hypothesis with relevant theoretical explanations. Section two further illustrates how such teaching practice can be conducted in terms of the teaching objectives, teaching procedures, and methods, and assessment focuses. Section three points out the potential challenges faced by university English teachers when the hypothesis is tested 展开更多
关键词 output-driven hypothesis college English teaching teaching objectives teaching procedures and methods ASSESSMENT
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