• A questionnaire was administered to patients to collect demographic data and information on congenital anomalies, previous urinary stone, family history of urolithiasis and dietary habits. (who.int)
  • The Cystoscopy however revealed a single calculus in the posterior urethra obstructing the flow of urine. (medcraveonline.com)
  • The most common site of urethral calculi is the posterior urethra, but calculi have been reported along the entire urethra(3). (bjuinternational.com)
  • The majority of studies have demonstrated a higher prevalence rate of posterior urethra stones with the rate ranging from 50-88% of all urethral calculi(1, 4, 5). (bjuinternational.com)
  • In addition, continued aggressive management of neurogenic bladder , specifically in the pediatric population, may lead to a rise in both the incidence of struvite stones and the development of creative and minimally invasive surgical techniques for augmented bladders. (medscape.com)
  • Bladder stones usually occur due to urinary stasis as in benign prostatic hyperplasia or neurogenic bladder but can also form in healthy individuals without anatomic defects, foreign bodies, strictures, or infections. (statpearls.com)
  • Urinary stasis, such as benign prostatic hyperplasia (BPH) or neurogenic bladder disorder, is the primary cause of bladder calculi. (statpearls.com)
  • They are exceeded only by urinary tract infections and pathologic conditions of the prostate [1]. (who.int)
  • The incidence of bladder stones in children is slowly declining, even in endemic areas. (medscape.com)
  • Aggressive treatment of lower urinary tract symptoms with alpha-blockers and 5-alpha-reductase inhibitors should further decrease the overall incidence of bladder stones by improving bladder emptying. (medscape.com)
  • However, most renal stones that are small enough to pass through the ureters are also small enough to pass through a normally functioning bladder and an unobstructed urethra. (medscape.com)
  • Following a 4-week regimen of antibiotic treatment, the patient underwent cystoscopy with retrograde urethrogram confirming two large calculi within corresponding diverticula at the proximal penile and distal bulb of the urethra (Figure 2). (bjuinternational.com)
  • Stones originating from the kidney that are small enough to pass through the ureters can easily traverse the urethra unless there is significant bladder dysfunction or outlet obstruction. (statpearls.com)
  • Urinary tract stone disease is known in other names such as urolithiasis, urinary stones, ureteral stones, urinary calculi and urinary calculus disease. (barkleyandpaws.com)
  • This study was undertaken to determine urinary stone composition and prevalence of stone formers by age and sex among Iraqi patients, and to assess the contribution made by factors such as genetic traits, residence and dietary habits on the etiology of urolithiasis. (who.int)
  • Bladder (vesical) calculi are stones or calcified materials that are present in the bladder (or in a bladder substitute that functions as a urinary reservoir). (medscape.com)
  • This article discusses the diagnosis and current management techniques for vesical calculus disease. (medscape.com)
  • Most vesical calculi formed de novo within the bladder, but some initially may have formed within the kidneys as a dissociated Randall plaque or on a sloughed papilla and subsequently passed into the bladder, where additional deposition of crystals causes the stone to grow. (medscape.com)
  • Vesical and urethral calculi are very common in children of the developing countries, but the association of PUV with urethral calculi is uncommon. (medcraveonline.com)
  • 5 Vesical calculi and urethral calculi are common causes of UTI and urinary obstruction in children in developing countries. (medcraveonline.com)
  • Problems related to bladder are common in Labrador Retrievers as well as other breeds. (barkleyandpaws.com)
  • But to some, the most common sign of bladder stones in Labrador Retrievers is blood in the urine. (barkleyandpaws.com)
  • and Cystoscopy or Bladder Scope Test . (medscape.com)
  • Patient was posted for Cystoscopy and fulguration of the posterior urethral valves was done using a Bugbee electrode. (medcraveonline.com)
  • Radiological investigations failed to demonstrate the urethral calculus which was eventually diagnosed on cystoscopy. (medcraveonline.com)
  • The rapid formation of stone leads us to believe that the stone was preexistent secondary to the urinary outflow obstruction due to posterior urethral valves and was probably missed on primary Cystoscopy. (medcraveonline.com)
  • The presence of upper urinary tract calculi is not necessarily a predisposition to the formation of bladder stones. (medscape.com)
  • The bladder is an uncommon site of urinary tract calculi in most Western countries, but bladder stones result in specific symptoms and are a significant source of discomfort. (medscape.com)
  • Removal of bladder stones will continue to progress toward minimally invasive techniques, thus decreasing hospital stay and recovery times. (medscape.com)
  • In older men with bladder stones composed of uric acid, the stone most likely formed in the bladder. (medscape.com)
  • Cystic calculi often occurs in female dogs wherein the urinary tract bacterial infection within a bladder causes a shift in the urine pH, causing stones to form. (barkleyandpaws.com)
  • There are several types of bladder stones and these stones vary depending on their chemical make-up. (barkleyandpaws.com)
  • There are many reasons why dogs develop bladder stones. (barkleyandpaws.com)
  • Genes also play an important role in the development of urinary stones. (barkleyandpaws.com)
  • Some dogs with bladder stones may not show any sign of the disease. (barkleyandpaws.com)
  • Stones in the bladder may not threaten your dog's health but may lead to renal failure and pyelonephritis if not treated immediately. (barkleyandpaws.com)
  • Some bladder stones can be treated through oral medication. (barkleyandpaws.com)
  • In some cases, surgery may be needed to remove the stones within the bladder. (barkleyandpaws.com)
  • Urethral stones account for less than 1% of all urinary stone disease in the Western Hemisphere(2). (bjuinternational.com)
  • Posterior urethral stones can present with pain referred to the perineum or rectum, while anterior urethral stones tend to present with pain at the site of impaction. (bjuinternational.com)
  • Careful physical examination can assist in determining the location of the calculi as a digital rectal examination can demonstrate a firm mass with posterior urethral stones. (bjuinternational.com)
  • Bladder stones are solid calculi that are primarily found in the urinary bladder. (statpearls.com)
  • Bladder stones result in specific symptoms and are a significant source of discomfort. (statpearls.com)
  • Most such stones are newly formed in the bladder, although some may come from the kidneys either as a stone or a sloughed papilla. (statpearls.com)
  • Stones that remain in the bladder will develop layers of additional stone material that may or may not be identical to the original core material. (statpearls.com)
  • Foley catheters are associated with more bladder stones than intermittent catheterization. (statpearls.com)
  • The overall incidence of adult bladder stones appears to be decreasing. (statpearls.com)
  • In general, adult men with BPH and bladder stones are more likely to have a history of nephrolithiasis, gout, lower urinary pH, and lower urinary magnesium levels than similar men with BPH but without bladder calculi. (statpearls.com)
  • ABSTRACT Epidemiology and pathogenesis in urinary stones diagnosed in 184 patients were studied. (who.int)
  • Anatomical distribution of urinary stones was 67.4% renal, 12.5% ureteric and 14.6% bladder. (who.int)
  • Bacteria were isolated from 19 (24.4%) of 78 urinary stones: 14 were urea splitting and 5 non-urea splitting. (who.int)
  • Urinary stones are the third most common affliction of the urinary tract. (who.int)
  • From December 2001 to September 2002, all 184 patients who were diagnosed by the urologist, or paediatrician in the case of children, as having urinary stones were included in this study. (who.int)
  • Informed consent was obtained from all participants, or the Urinary stones are the third most common parents in the case of children. (who.int)
  • [ 1 ] They are usually associated with urinary stasis but can form in healthy individuals without evidence of anatomic defects, strictures, infections, or foreign bodies. (medscape.com)
  • In women, voiding dysfunction and urinary stasis can occur but are less commonly associated with calculi. (medscape.com)
  • Less frequently, bladder calculi are composed of calcium oxalate, calcium phosphate, ammonium urate, cysteine, or magnesium ammonium phosphate (when associated with infection). (medscape.com)
  • A 4year male child presented with history of recurrent Urinary tract infections and nocturnal enuresis. (medcraveonline.com)
  • The presence of urinary tract infections and having a significant intravesical prostatic extension (BPH) are the clinical signs that are most closely associated with the development of bladder calculi. (statpearls.com)
  • ceeded only by urinary tract infections and A questionnaire was administered to pac pathologic conditions of the prostate [ 1 ]. (who.int)
  • Radiation therapy, schistosomiasis, bladder augmentation surgery, urethral strictures, and the presence of bladder diverticula are other predisposing factors to bladder stone formation. (statpearls.com)
  • Other cellular elements in the urinary sediment (eg, WBCs, WBC casts) suggest a diagnosis of urinary tract infection. (medscape.com)
  • 2 Neonates generally present with bladder outflow obstruction, poor urinary stream, and urinary tract infection. (medcraveonline.com)
  • Calculi within urethral diverticula are a rare manifestation of urinary stone disease. (bjuinternational.com)
  • We report a case of a 63-year-old male presenting with lower urinary tract symptoms, who was subsequently found to have two large calculi located within corresponding urethral diverticula. (bjuinternational.com)
  • The patient underwent open urethrotomy, stone extraction, and primary repair of associated urethral diverticula. (bjuinternational.com)
  • In 1817, it was pointed out that the alkalinization that attends putrefaction of urine unavoidably results in crystallization of dissolved urinary phosphate [2]. (who.int)
  • Posterior urethral valves are the most common cause of urinary tract obstruction in male neonates with an incidence of 1: 8,000 to 1:25,000. (medcraveonline.com)
  • Posterior urethral valves are the commonest cause of urinary tract obstruction in male neonates. (medcraveonline.com)
  • Typical anatomic findings include cystoceles, enteroceles, or sequelae of previous urethral surgery, all of which contribute to elevated residuals. (medscape.com)
  • Determination of urinary Calculi composition using dual energy CT. (iium.edu.my)
  • They were identified using standard bioc urinary stone composition and prevalence chemical tests [ 6 ]. (who.int)
  • We present here a case of a 4years old male child with PUV who was fulgurated and subsequently developed a urethral calculus. (medcraveonline.com)
  • It is not unusual to detect posterior urethral valves in a patient with lower urinary tract symptoms in developing countries. (medcraveonline.com)
  • Hence it is axiomatic to keep these two conflicting conditions in mind when evaluating any child with lower urinary tract symptoms. (medcraveonline.com)
  • The patient's recovery was uneventful with resolution of urinary symptoms six weeks after surgery. (bjuinternational.com)
  • The diagnosis can be complicated as some patients are asymptomatic while others present with severe symptoms such as pain in the ano-genital area, dysuria, urinary retention, frequency, dribbling, weak urinary stream, hematuria, urethral discharge, and dyspareunia. (bjuinternational.com)
  • Foley catheter was left in place for two weeks, and upon postoperative follow-up at six weeks, the patient had resolution of their urinary symptoms with an International Prostate Symptom Score of 2. (bjuinternational.com)
  • Surgical exploration through a scrotal incision revealed two diverticuli with an enclosed branched calculus. (bjuinternational.com)
  • [ 2 , 3 ] Perhaps surprisingly, patients with uric acid bladder calculi rarely ever have a documented history of gout or hyperuricemia . (medscape.com)
  • In one study of patients with spinal cord injuries, 36% developed bladder calculi over an eight-year period of follow-up. (statpearls.com)
  • In the Western Hemisphere, a urethral calculus within a diverticulum is a rare clinical entity as compared to developing nations where male urethral calculi are more common due to the increased incidence of bladder calculi(1). (bjuinternational.com)
  • Urinary tract stone disease happens when urinary stone, medically referred to as urolith, forms as microscopic crystals precipitate in the urinary system. (barkleyandpaws.com)
  • At persistently low pH uric acid crystals can form and stabilise even with normal urinary urate concentration. (medscape.com)
  • Calculi in the lower urinary tract and posterior urethral valves have near similar presentation clinically, especially in cases of posterior urethral valves that present later in life. (medcraveonline.com)
  • The most common factors that promote uric acid stone formations are persistently low urinary pH, dehydration leading to low urinary volume, and high uric acid production. (medscape.com)
  • Posterior urethral valves are a common cause of frequent UTI's in young boys. (medcraveonline.com)
  • Though PUV and Urethral calculi individually are very common entities, their combination is seldom seen. (medcraveonline.com)
  • This is why absorbable suture material is recommended whenever urinary surgery is performed. (statpearls.com)
  • With rare exceptions, any foreign body that cannot escape the bladder becomes calcified and eventually forms a stone. (medscape.com)
  • Any foreign body left in the bladder that is not spontaneously expelled will eventually form layers of stone material and develop into calculus. (statpearls.com)
  • On the other hand, urethral calculi occurs in male dogs caused by infection in rare cases. (barkleyandpaws.com)
  • Posterior urethral valves associated with urethral calculus is very rare and only handful of cases are reported in literature. (medcraveonline.com)
  • The patient denied any previous episodes of urinary tract infectionor stone disease. (bjuinternational.com)
  • A 63-year-old Asian male with no significant past medical history presented to the emergency department with a four month history of urinary frequency, urgency, nocturia, and a weak stream. (bjuinternational.com)
  • Urinary tract stone disease could be treated easily if it is caused by diet problems. (barkleyandpaws.com)