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Analysis of Urinary Stone Composition: A Retrospective Single Center Study during the Last Five Years (2009-2013)
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Pil Moon Kang, Won Ik Seo, Dong Il Kang
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Korean J Urogenit Tract Infect Inflamm 2014;9(1):44-49. Published online April 30, 2014
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 Abstract
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Analysis of urinary stone composition is essential for treatment and prevention of urolithiasis. We evaluated the effect of age, gender, and stone location on urinary stone components during the last five years.
Materials and Methods: We conducted a retrospective analysis of the medical records of 375 patients ranging in age from 15 years old to 93 years old (241 males and 134 females) who underwent conventional or endoscopic surgery, shock wave lithotripsy, or passed their stones spontaneously between 2009 and 2013. Stone analysis was performed using a chemical analysis method to determine the molecular composition of each stone.
Results: Of the 375 patients with urolithiasis, 152 patients (40.5%) had predominantly calcium oxalate, 85 patients (21.5%) had uric acid, 17 patients (4.5%) had calcium phosphate, 17 patients (4.5%) had magnesium ammonium phosphate, 16 patients (4.3%) had calcium carbonate, and 86 patients (22.9%) had mixed stone type. There was a decreasing prevalence of calcium oxalate stone with age group (42.5% in young adult (20-39 years, n=40), 45.0% in adult (40-60 years, n=151), and 32.7% in elderly (≥60 years, n=180) as opposed to increasing prevalence in uric acid stone (7.5% in young adult, 15.2% in adult and 32.2% in elderly). Uric acid stones were more common in males and in lower urinary tract stones.
Conclusions: In this study, the incidence of calcium oxalate decreased with age and that of uric acid increased with age and in male. In comparison of the results of previous studies for several decades, the incidence of uric acid increased in the last five years.
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The Relationship between Lower Urinary Tract Symptoms and Chronic Inflammation
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Dong Il Kang, Kweon Sik Min
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Korean J Urogenit Tract Infect Inflamm 2007;2(2):124-135. Published online October 31, 2007
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Abstract
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- Lower urinary tract symptoms (LUTS) are related to urination, pain/discomport, or both. The prevalence of LUTS in the community is high in men and increases with age. LUTS are an important clinical manifestation of prostate. Benign prostatic hyperplasia (BPH) and prostatitis are the most common benign diseases of the prostate and induce LUTS. Recently, many researches have shown roles of chronic inflammation in BPH and chronic prostatitis/chronic plevic pain symdrome (CP/CPPS). Although the pathogenesis of BPH and CP/CPPS is still unresolved, chronic inflammation may play a significant role in disease progression of LUTS. This review presents recent evidence that suggests a relationship between inflammation and BPH and CP/CPPS.
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Three Cases of Prostatic Abscess
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Ik Joon Choi, Sung Hwan Jung, Ji Sung Park, Kweon Sik Min, Jae Il Chung, Sung Hyup Choi, Dong Il Kang
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Korean J Urogenit Tract Infect Inflamm 2007;2(2):225-229. Published online October 31, 2007
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- Prostatic abscess is acute infection in urologic department. The incidence of prostatic abscess has been decreased for development of antibiotics and decreased incidence of gonococcal infection. Currently the pathogen of prostatic abscess has been changed from N. gonorrheae to E. coli, Staphylococcus, Klebsiella, Pseudomonas, Anaerobes and rarely Candida. We encountered 3 cases of prostatic abscess. Pathogens were Klebsiella pneumoniae, and Staphylococcus aureus. Radiologic findings of each abscess were similar in all patients. All patients had been administrated sensitive intravenous antibiotics to each pathogen. Percutaneous needle aspiration and drainage, transurethral resection drainage of prostate were done to each patient.
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