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Query: UMLS:C0403608 (ureter)
 9,655 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Behind the typical signs of a staghorn calculus of a kidney and a ureterocele with calculi in x-ray a transitional cell carcinoma of the kidney and the whole ureter was found. The nonfunction of the organ was thought to be due to pyonephrosis. Four other cases reported in the literature are discussed.
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PMID:[Masked urothel carcinoma of kidney pelvis and ureter]. 51 Oct 83

The patient was a 61-year-old male who had undergone right nephrectomy for nephrolithiasis 35 years before. He had been on hemodialysis for 6 years for chronic renal failure caused by left renal staghorn calculus and hydronephrosis. He was admitted to our hospital because of macroscopic hematuria and sense of residual urine which had persisted for 3 months. Cystoscopic examination showed an extensive papillary tumor in the urinary bladder, which histologically was an adenocarcinoma. Giant left hydronephrosis associated with staghorn calculus noted by KUB and CT scan. Total cystectomy, intraoperative radiotherapy, and left nephrostomy were performed under the diagnosis of adenocarcinoma of the urinary bladder and left hydronephrosis. The bladder tumor was found to be a mucinous adenocarcinoma. The patient died from a cerebral hemorrhage on the 17th postoperative day. At autopsy, tumors were found in the pelvis of the left kidney and the middle and lower regions of the ureter, which were adenocarcinoma like the bladder tumor. Adenocarcinoma occurring simultaneously in the renal pelvis and bladder has not been previously reported to our knowledge, in Japan or elsewhere.
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PMID:[A case of adenocarcinoma in the renal pelvis and urinary bladder in a patient with chronic renal failure]. 217 11

High-energy shock waves were used to disintegrate kidney stones in dogs and man. In 96% of 60 dogs with surgically implanted renal pelvic stones, the fragments were discharged in the urine. The same effect was achieved in 20 out of 21 patients with renal pelvic stones. In the twenty-first patient, a staghorn calculus was broken up to facilitate surgical removal. 2 patients with upper ureteric stones also received shock waves, but their stones had to be removed surgically; in 1 of these the stone had been embedded in the ureteric wall by connective tissue. The procedure can in many cases be done under epidural instead of general anaesthesia. Side-effects consisted of slight haematuria and, occasionally, of easily treatable ureteric colic. They were probably due to passage of fragments down the ureter. Disintergration of kidney stones by shock waves seems to be a promising form of treatment that reduces the need for surgery.
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PMID:Extracorporeally induced destruction of kidney stones by shock waves. 610 46

A case is reported of contralateral displacement of the kidney and ureter due to a left flank incisional hernia following a simple nephrectomy for a staghorn calculus in a massively obese female. Two previously reported cases of pseudocrossed renal ectopia due to renal displacement from incisional hernias in obese females are reviewed.
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PMID:Contralateral renal and ureteral displacement following flank incisional hernia. 673 Jan 35

Kidney stones may be removed without using a surgical incision by a combination of techniques and skills recently developed in the fields of urology and radiology. Percutaneous access to the kidney is established under fluoroscopic control. A guide wire placed into the renal pelvis allows a nephroscope to be inserted and the collecting system visualized. A long hollow metal probe is advanced through the nephroscope and placed in contact with the stone. This probe conducts the ultrasonic energy. The stone absorbs the energy and breaks into fine granules, which are evacuated by suction.Twenty-three consecutively seen patients presenting with 27 upper urinary tract calculi for which removal was indicated underwent successful percutaneous ultrasonic lithotripsy. Fifteen stones were located in the renal pelvis, eight in a calix, three at the ureteropelvic junction and one in the upper ureter. One infected staghorn calculus was removed. Two complications resulted in extended hospital stays, but in no patients were surgical incisions required. Of the 23 patients, 9 had previously had a surgical lithotomy. The authors believe that most renal and upper ureteral calculi for which removal is indicated may be extracted percutaneously with the aid of the ultrasonic lithotriptor. The patients may expect a rapid convalescence with diminished pain.
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PMID:Ultrasonic destruction of kidney stones. 673 Apr 70

Extended pyelolithotomy for staghorn calculus in a uremic patient with solitary functioning kidney was followed by development of stenosis of the infundibulum draining the superior and middle calyces. Drainage of the lower calyx down the ureter remained intact. Intubated infundibuloplasty proved unsuccessful since scarring and occlusion promptly recurred. Anastomosis of the middle calyx to the ureter was then performed with good results. We believe this is the first reported case of ureterocalycostomy for providing drainage to the middle calyx without lower polar nephrectomy.
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PMID:Ureterocalycostomy for postpyelolithotomy stenosis after failure of intubated infundibuloplasty. 740 18

Mucinous adenocarcinomas of the renal pelvis and ureter are among the rarest upper urinary tract neoplasm. We report a case of multifocal primary mucinous adenocarcinoma of the renal pelvis and ureter occurring in association with a staghorn calculus and pyonephrosis. A 68 year old man had suffered from right flank pain and upper abdominal swelling for one year. After a series of investigation, a right staghorn stone with pyonephrosis leading to non-functioning kidney was found. Right nephrectomy was performed. The pathological report showed mucinous adenocarcinoma with ureteric margin positive for tumour deposits. Patient was reoperated; right ureterectomy with removal of bladder cuff was done. Although uncommon, the possibility of a tumor should be kept in mind especially in patients with a long standing urolithiasis accompanied by hydronephrosis and/or infection.
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PMID:Primary mucinous adenocarcinoma of the renal pelvis and ureter. 2280 23

Background: Urolithiasis of transplant kidneys usually encompasses a challenging clinical situation due to specific anatomical conditions and the patients' immunological status. In this case report, we describe the treatment of a rare Proteus mirabilis matrix staghorn stone applying percutaneous nephrolithotomy in combination with matrix stone extraction by morcellation while utilizing endo-urological equipment designed for transurethral prostate surgery. Case Presentation: We present the case of a 44-year-old Caucasian woman who had undergone a post-mortal kidney transplant at age 37. After recurrent urinary tract infections, symptomatic obstructions of the transplant ureter, and multiple surgical interventions (73 Double-J stent and nephrostomy placements and three ureter re-implantations), permanent percutaneous nephrostomy drainage was established 6 years after her kidney transplantation. The patient was referred to our department due to recurrent dysfunction of the nephrostomy tube caused by blockage due to stone-matrix material and a staghorn calculus in the transplant kidney's collecting system. Microbiological examination of the stone material retrieved from the nephrostomy tube revealed massive P. mirabilis contamination. In this work, we present a novel percutaneous technique of matrix stone removal by relying on endoscopic equipment usually employed during prostate surgery by urologists. Conclusion: Percutaneous matrix stone morcellation is a technically challenging but feasible method that might be considered as a salvage treatment strategy in situations described earlier and in highly selective cases. However, for this extremely rare stone entity and individual clinical presentations, matrix stone morcellation seems to be a reasonable alternative before considering more radical interventions such as open nephrolithotomy. Selection criteria are a very soft stone, large-caliber percutaneous access to the collecting system, and enough space in the collecting system to execute morcellation.
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PMID:Therapy-Refractory Matrix Staghorn in a Kidney Transplant Recipient: Endoscopic Percutaneous Morcellation as a Novel Treatment Option. 3309 64

Background: Crossed fused renal ectopia (CFRE) is an unusual anomaly in which both kidneys lie fused on one side, with double pelvis and ureters draining into both sides of the bladder. Complex renal stones are a considerable challenge to endourologists, and when a staghorn stone is associated with abnormal anatomy, its treatment is even more difficult. Today there is no consensus about the right treatment for complex renal stones in CFRE. So, the objective of this case is to present the efficacy of the endoscopic combined intrarenal surgery (ECIRS) for the treatment of a staghorn renal stone in one patient with CFRE. Case Presentation: We described a case of a 23-year-old man with prolonged lasting and pain on the left flank associated with intermittent gross hematuria. Enhanced CT revealed a crossed fused kidney on the left side, drained by an intercommunicating pelvis and a single ureter, with a staghorn stone wholly occupying both renal units. The patient was effectively treated by one single session of ECIRS. Conclusion: The ECIRS is a good alternative to consider in patients with CFRE that have a staghorn calculus with a reasonable success rate.
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PMID:Efficacy of the Endoscopic Combined Intrarenal Surgery for the Treatment of a Staghorn Calculus in Crossed Fused Renal Ectopia. 3310 28