Urinary retention in a hypospadiac failure secondary to urethral calculi.
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ABSTRACT:
SUBMITTER: Purohit R
PROVIDER: S-EPMC5958922 | biostudies-literature | 2018 May
REPOSITORIES: biostudies-literature
Publications
Urinary retention in a hypospadiac failure secondary to urethral calculi.
Purohit Rajveer R Ranasinghe Buddima B Nagarwalla Anjolie A
Urology case reports 20180314
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Project description:A spontaneous, non-traumatic, urinary bladder rupture is a rare condition. We describe a case of a 23-year-old male with a spontaneous bladder rupture secondary to urinary retention, due to an urethral stricture. He presented to the emergency department with voiding difficulties, severe abdominal pain and renal failure. Abdominal ultrasound revealed large amounts of ascites. After an unsuccessful attempt to place a Foley catheter a cystoscopy was performed which showed an urethral stricture. On CT-cystogram an intra-peritoneal bladder rupture was diagnosed and the patient underwent laparoscopic repair of the bladder wall. The postoperative course was uneventful.
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Project description:Foreign body in the urethra is a relatively rare occurrence. A variety of foreign bodies, majority of which were mostly self-inflicted for psychiatric disorder, senility, intoxication, and autoerotic stimulation, have been reported in the literature. We report a case of self-inserted foreign body (olive seed) in the urethra.
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Project description:ObjectiveTo conduct a systematic literature review on urethral calculi in a contemporary cohort describing etiology, investigation, and management patterns.MethodsA systematic search of MEDLINE and Cochrane Central Register of Controlled Trials (CENTRAL) databases was performed. Articles, including case reports and case series on urethral calculi published between January 2000 and December 2019, were included. Full-text manuscripts were reviewed for clinical parameters including symptomatology, etiology, medical history, investigations, treatment, and outcomes. Data were collated and analyzed with univariate methods.ResultsSeventy-four publications met inclusion criteria, reporting on 95 cases. Voiding symptoms (41.1%), pain (40.0%), and acute urinary retention (32.6%) were common presenting features. Urethral calculi were most often initially investigated using plain X-ray (63.2%), with almost all radio-opaque (98.3%). Urethral calculi were frequently associated with coexistent bladder or upper urinary tract calculi (16.8%) and underlying urethral pathology (53.7%) including diverticulum (33.7%) or stricture (13.7%). Urethral calculi were most commonly managed with external urethrolithotomy (31.6%), retrograde manipulation (22.1%), and endoscopic in situ lithotripsy (17.9%).ConclusionThis unique systematic review of urethral calculi provided a summary of clinical features and treatment trends with a suggested treatment algorithm. Management in contemporary urological practice should be according to calculus size, shape, anatomical location, and presence of urethral pathology.
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Project description:Acute urinary retention secondary to vasculitic penile swelling in children is extremely rare. Henoch-Schönlein purpura is a self-limiting IgA-mediated cutaneous vasculitis, which can cause soft tissue edema. Acute urinary retention requires urgent intervention to prevent obstructive uropathy. Suprapubic catheterization provides an effective management strategy in the emergency setting.
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Project description:BackgroundMicro computed tomography (micro CT) has been shown to provide exceptionally high quality imaging of the fine structural detail within urinary calculi. We tested the idea that micro CT might also be used to identify the mineral composition of urinary stones non-destructively.MethodsMicro CT x-ray attenuation values were measured for mineral that was positively identified by infrared microspectroscopy (FT-IR). To do this, human urinary stones were sectioned with a diamond wire saw. The cut surface was explored by FT-IR and regions of pure mineral were evaluated by micro CT to correlate x-ray attenuation values with mineral content. Additionally, intact stones were imaged with micro CT to visualize internal morphology and map the distribution of specific mineral components in 3-D.ResultsMicro CT images taken just beneath the cut surface of urinary stones showed excellent resolution of structural detail that could be correlated with structure visible in the optical image mode of FT-IR. Regions of pure mineral were not difficult to find by FT-IR for most stones and such regions could be localized on micro CT images of the cut surface. This was not true, however, for two brushite stones tested; in these, brushite was closely intermixed with calcium oxalate. Micro CT x-ray attenuation values were collected for six minerals that could be found in regions that appeared to be pure, including uric acid (3515 - 4995 micro CT attenuation units, AU), struvite (7242 - 7969 AU), cystine (8619 - 9921 AU), calcium oxalate dihydrate (13815 - 15797 AU), calcium oxalate monohydrate (16297 - 18449 AU), and hydroxyapatite (21144 - 23121 AU). These AU values did not overlap. Analysis of intact stones showed excellent resolution of structural detail and could discriminate multiple mineral types within heterogeneous stones.ConclusionsMicro CT gives excellent structural detail of urinary stones, and these results demonstrate the feasibility of identifying and localizing most of the common mineral types found in urinary calculi using laboratory CT.
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Project description:Accurate determination of urinary stone composition has significant bearing on understanding pathophysiology, choosing treatment modalities and preventing recurrence. A need exists for improved methods to determine stone composition. Urine of 31 patients with known renal calculi was examined with nanoscale flow cytometry and the calculi collected during surgery subsequently underwent petrographic thin sectioning with polarized and fluorescent microscopy. Fluorescently labeled bisphosphonate probes (Alendronate-fluorescein/Alendronate-Cy5) were developed for nanoscale flow cytometry to enumerate nanocrystals that bound the fluorescent probes. Petrographic sections of stones were also imaged by fluorescent and polarized light microscopy with composition analysis correlated to alendronate +ve nanocrystal counts in corresponding urine samples. Urine samples from patients with Ca(2+) and Mg(2+) based calculi exhibited the highest alendronate +ve nanocrystal counts, ranging from 100-1000 nm in diameter. This novel urine based assay was in agreement with composition determined by petrographic thin sections with Alendronate probes. In some cases, high alendronate +ve nanocrystal counts indicated a Ca(2+) or Mg(2+) composition, as confirmed by petrographic analysis, overturning initial spectrophotometric diagnosis of stone composition. The combination of nanoscale flow cytometry and petrographic thin sections offer an alternative means for determining stone composition. Nanoscale flow cytometry of alendronate +ve nanocrystals alone may provide a high-throughput means of evaluating stone burden.
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Project description:A mechanical obstruction is not a physiological entity, and when it occurs within the 30-day postoperative period, it is called an early postoperative small bowel obstruction. Kinking of small bowel segments at the ileostomy outlet secondary to a distended bladder is an unusual source of early postoperative small bowel obstruction. A 36-year-old female underwent a redo J-Pouch surgery and creation of loop ileostomy after pouch failure related to recurrent small bowel obstruction and perianal fistulae. Her foley catheter was removed on postoperative day 3 and she passed a trial of void test. On postoperative day 6, the abdomen became progressively more distended. Computerized tomography (CT) imaging with IV contrast showed small bowel distension extending to the midline anterior to the urinary bladder where it demonstrated a narrowed lumen. These findings were thought to be the cause of small bowel obstruction at this level before the ileostomy. Immediately after CT, a foley catheter was applied with which 2 L of urine was removed, and consequently, gas and stool were observed in the ostomy soon thereafter. Although rare, urinary retention may cause intestinal obstruction, especially in the presence of a loop ileostomy in close proximity.
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