No abstract available.
Pelvic Pain* ; Prostate* ; Ultrasonography, Doppler, Color*

PURPOSE: The aquaporins (AQPs) are transmembrane water channel proteins. It is well known that AQP2, -3 and -4 contribute to the urinary concentration in collecting duct (CD) and also reported the presence of these three AQPs in the connecting tubule (CNT). Newborn rats are not capable of producing a concentrated urine. Rats develop the ability to concentrate urine after birth. The purpose of this study was to establish the time of the expression and the distribution of AQP2, -3 and -4 in the developing rat kidney. MATERIALS AND METHODS: Sprague-Dawley rats were used in all experiments. Kidneys were obtained from 16, 18 and 20-day-old fetuses and 1, 4, 7, 14 and 21-day-old pups and preserved and processed for immunohistochemical studies using a preembedding immunoperoxidase procedure. AQP2, -3 and -4 immunoreactivity was detected using rabbit polyclonal antibody and donkey anti-rabbit IgG. RESULTS: AQP2, -3 and -4 appeared first in 16-day-old fetuses in the CD and in 18-day-old fetuses in the CNT. Immunoreactivity for AQP2, -3 and -4 was markedly increased after birth and gradually increased during development. In CNT cells and principal cells, AQP2, -3 and -4 were not distinctly demonstrated on the apical, lateral and basal plasma membrane respectively until 21 days after birth. Distinct polarity of these AQPs both in CNTcells and principal cells were observed at 21 days after birth. CONCLUSIONS: AQP2 -3, and -4 were expressed not only in CD but also in CNT before developing of urine concentrating ability during development and it is concluded that their expression and distribution in CNT may play a role in the development of urine concentration abilities in rat kidney.
Animals ; Aquaporin 2* ; Aquaporins ; Attention ; Cell Membrane ; Equidae ; Fetus ; Humans ; Immunoglobulin G ; Infant, Newborn ; Kidney Concentrating Ability ; Kidney Tubules ; Kidney* ; Parturition ; Rats* ; Rats, Sprague-Dawley

No abstract available.
Humans ; Urinary Tract*

No abstract available.
Life Style* ; Prostatism*

The kidney size of newborn infant provides an important value in the diagnosis and treatment of the congenital renal diseases. Renal measurements were made by ultrasonography in 500 healthy newborn infants. Two dependent variables( kidney length and depth ) were measured, together with three independent variables( birth weight, height, head circumference, chest circumference and gestational age). The right kidney size was 3.98+/-0.482cm x 1.98+/-0.288cm(mean+/-standard deviation, length x depth), and the left kidney size was 4.02+/-0.504cm x 1.89+/-0.299cm. The left kidney had long length and short depth compared with right kidney. The mean difference of both kidneys was 0.39+/-0.323cm in length and 0.25+/-0.207cm in depth. The kidney size of male infants was larger than that of female infants in length and depth of both kidneys. There was significant difference in kidney length and depth for birth weight and height(P < 0.01 ). The regression equation was: length(cm) = 0.266 x birth weight (kg) + 3.12, depth(cm) =0.144 x birth weight(kg) + 1.46.
Birth Weight ; Diagnosis ; Female ; Head ; Humans ; Infant ; Infant, Newborn* ; Kidney* ; Male ; Parturition ; Thorax ; Ultrasonography*

The number of old patients suffering from benign prostatic hyperplasia is growing. TURP is still "gold standard" of relieving infravesical obstruction due to BPH, but the persistently high postoperative morbidity after TURP recently spurred the development of less invasive treatment options. Laser ablation of the prostate is a relatively new surgical treatment for BPH. According to studies published to date, laser prostatectomy is a simple and effective BPH-treatment modality with a low complication rate. We carried out Nd : YAG laser prostatectomy under visual control (VLAP) in 57 patients with BPH, aged 53-80 years (mean: 64.9 years). Preoperatively, the maximal flow rate (Qmax) ranged from 6-14 ml/sec (mean: 9.5 ml/sec), the residual urine volume (RUV) was 20-300 ml (mean: 109 ml), and the I-PSS ranged from 18-28 (mean: 20.4). The prostatic volume, measured with transrectal ultrasonography, was 26-72 gm (mean: 43.3 gm). There was no significant changes of hemoglobin, hematocrit and serum electrolytes, perioperatively. In 6 patients (10.5%), retention was developed after removal of urethral catheter at postoperative fifth day and so urethral catheter was reinserted for 5-7 days. After 6 months, Qmax was 9-22 ml/sec (mean: 15.4 ml/sec), RUV was 0-50 ml (mean: 15 ml), the I-PSS was 4-21 (mean: 8.3), and the prostatic volume was 11.3-51.9 gm (mean: 24.9 gm). In most patients, the prostatic volume was decreased as 42.6%, and Qmax, RUV and I-PSS were improved noticeably. Transrectal ultrasonography showed defect of bladder neck and prostatic urethra during immediate postoperative period, but normal prostatic architecture after 6 months In conclusion, the laser prostatectomy for BPH is considered the most promising alternative to TURP.
Electrolytes ; Hematocrit ; Humans ; Laser Therapy* ; Lasers, Solid-State ; Neck ; Postoperative Period ; Prostate* ; Prostatectomy* ; Prostatic Hyperplasia ; Transurethral Resection of Prostate ; Ultrasonography* ; Urethra ; Urinary Bladder ; Urinary Catheters

In complete urethral stricture, visual internal urethrotomy has not so high success rate because of the difficulty in determining the precise direction of incision and the inadequacy in scar tissue removal. Nd:YAG laser internal urethrotomy vaporizes the fibrotic scar tissue on strictured urethra and make for re-epithelization of urethra without scar tissue formation. We report experiences of 11 cases of two-staged Nd:YAG laser internal urethrotomy for complete urethral stricture. Age of patients was ranged from 25 to 61 (mean; 42) years old. All of 11 cases developed after urethral injury and was complete urethral stricture. The aim of first stage of operation is to make communication through region of urethral stricture. At second stage of operation, we reconfirmed the direction of neourethra, excised and vaporized the fibrotic scar tissue on strictured urethra using Nd:YAG laser at all directions to achieve normal appearance as possible. Follow-up duration was 6-18 (mean; 14) months. There was no recurrence at all. After 6 months, maximal flow rate was 21-29 (mean; 23.7) ml/sec, and we could not find any stricture portion on retrograde urethrogram. As a conclusion, two-staged Nd:YAG laser internal urethrotomy for complete urethral stricture is a new alternative method, which has many advantages such as technical simplicity, clear operative field due to less bleeding, unnecessity, of adjuvant urethral dilation, and no recurrence rate after the operation.
Cicatrix ; Constriction, Pathologic ; Follow-Up Studies ; Hemorrhage ; Humans ; Recurrence ; Urethra ; Urethral Stricture*

Cardiac lymphangioma is one of the rarest, primary, benign tumor of the heart. We report a case of cardiac lymphangioma, which was diagnosed with CT and MRI in a 50 years old female. Plain chest film showed minimal enlargement and globular shape of the heart. On CT scan, abnormal fluid density mass lesion was noted within pericardial sac. The signal intensity was lower on T1-weighted image and hgher on T2-weighted image than that of the myocardium and located along the left atrioventricuar groove. Several small low signal spots representing hemorrhage were seen within this lesion.
Female ; Heart ; Hemorrhage ; Humans ; Lymphangioma* ; Magnetic Resonance Imaging ; Myocardium ; Thorax ; Tomography, X-Ray Computed

Sexually transmitted diseases (STDs) are the most common infectious diseases worldwide, with over 350 million new cases occurring each year, and have far-reaching health, social, and economic consequences. Failure to diagnose and treat STDs at an early stage may result in serious complications and sequelae. STDs are passed from person to person primarily by sexual contact and are classified into varied groups. Some cause mild, acute symptoms and some are life-threatening. They are caused by many different infectious organisms and are treated in different ways. Syphilis and gonorrhea are ancient afflictions. Now, however, Chlamydia is prevalent and has become the most common bacterial STD. Antimicrobial resistance of several sexually transmitted pathogens is increasing, rendering some regimens ineffective, adding to therapeutic problems. A standardized treatment protocol for STDs is recommended to ensure that all patients receive adequate treatment. Appropriate treatment of STDs is an important public health measure.
Chancroid ; Chlamydia ; Clinical Protocols ; Communicable Diseases ; Dietary Sucrose ; Gonorrhea ; Humans ; Public Health ; Sexually Transmitted Diseases ; Sexually Transmitted Diseases, Bacterial ; Syphilis

PURPOSE: We retrospectively reviewed the cases of ureteroscopic stone removal at our hospital and defined the efficacy, safety and the skilled experience of the surgeon. MATERIALS AND METHODS: Ureteroscopic stone removal was done in 510 cases. Sixty eight stones were located in the upper ureter, 114 stones in the mid ureter, and 328 stones in the lower ureter. The stone size was less than 5mm in 210 cases, from 5 to 10mm in 241 cases and more than 10mm in 59 cases. The objective cases were categorized into three groups according to the experience of the surgeon, and then compared to each group. RESULTS: The overall success rate was 94.5%. The success rates of upper, mid and lower ureteral stones were 86.7, 90, and 96.9%. The success rate was 95.7% in stones less than 5mm, 94.1% in 5 to 10mm and 91.5% in more than 10mm. The operation results were improved and stabilized after 50 cases. There were 48 cases (9.4%) of complications which were treated successfully with conservative treatment except for 2 cases. CONCLUSIONS: Our study suggests that the ureteroscopic stone removal technique of the surgeon is improving by accumulating operation experience, and stabilized skillful technique will be achieved after experience of more than 50 cases.
Retrospective Studies ; Ureter ; Ureteroscopy