819 Large Prostatic Calculi Causing Urethral Obstruction Sung Hyun Paick, Sung Wook Yoon, Minki Baek, Hyeong Gon Kim, Yong Soo Lho From the Department of Urology, Konkuk University College of Medicine, Seoul, Medwin Urology Clinic, Hanam, Korea Although prostatic calculi are common, complications are fortunately rare. Here, we report a case of prostatic calculi causing urethral obstruction. A 6...

A 62-year-old woman smoker presented with 1 week of common cold and worsening hoarseness. She presented with dyspnea, which had been worsening over the past few days. On the initial examination in theemergency room, she couldnot liedown, stridor was evident and fiberoptic laryngoscopy revealed large laryngeal mass causing airway obstruction. Large laryngeal mass disappeared in subglottis with i...

OBJECTIVES To evaluate the association between bisphosphonate use and the risk of atypical femoral fractures among women aged 65 or older. DESIGN Nested case-control study. SETTING General practice research database in Spain. EXPOSURES Use of oral bisphosphonates before the occurrence of atypical fractures among cases or the corresponding index date among controls. Bisphosphonate use was ...

The performance of VLSI/ULSI chip is becoming less predictable as device dimensions shrinks below the sub-100-nm scale. Process variation is considered to be a major concern in the design of circuits including interconnect pipelines in current deep submicron regime. Process variation results in uncertainties of circuit performances such as propagation delay. The reduced predictability can be at...

Background & Aims: Urinary tract infection (UTI) is one of the most frequently acquired bacterial infections caused by a large genetically heterogeneous group of Escherichia coli which are called uropathogenic E. coli (UPEC). Cystitis and pyelonephritis are two most common symptoms seen in patients with UTI. The genetic diversity of this organism has hampered the identification of UTI strains a...