Cases reported "Hydronephrosis"

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1/120. Ureterocystoplasty in a patient with a single kidney.

    Ureterocystoplasty (UCP) has now been widely used for bladder augmentation, with and without unilateral nephrectomy. Many techniques have been described to incorporate portions of the upper renal tract, but none have yet described UCP in a child with unilateral renal agenesis.
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2/120. Poorly differentiated sarcoma of the prostate causing obstructive acute renal failure: a case report.

    A 12-year-old boy presented to the Naha Municipal Hospital complaining of back pain. After intravenous pyelography, computed tomography, magnetic resonance imaging, ultrasonography and biopsy, he was suspected to have sarcoma of the prostate and was referred to the University of the Ryukyus Hospital. Acute renal failure of the post renal type was evident, accompanied by minimal hydronephrosis. Emergency hemodialysis and right ureterostomy were performed, as was a transurethral prostate biopsy. The specimen showed a poorly differentiated sarcoma not otherwise classifiable. After recovery from surgery, chemotherapy was attempted over 2 months, but the patient died of tumor 250 days after admission.
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ranking = 0.99752110719328
keywords = back pain, back
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3/120. Cloacal outlet obstruction with an ectopic ureter.

    Cloacal malformation occurs in approximately 1 in 50,000 live female births. Prenatal ultrasound may lead to the diagnosis in selected cases. We report an unusual case of prenatally detected single-system hydronephrosis with a nonvisible bladder and worsening oligohydramnios. Labor was induced at 35 weeks' estimated gestational age. On physical examination, a single perineal opening was noted consistent with cloaca. endoscopy revealed an obstructed ectopic ureter at the level of the sphincter, an undeveloped bladder and vagina, and a fistula to the rectum. A low loop cutaneous ureterostomy and right upper quadrant loop colostomy were performed. The absence of a typical fluid-filled pelvic structure may confound the prenatal diagnosis of cloaca.
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4/120. The appendix as right ureteral substitute in children.

    PURPOSE: The appendix has occasionally been used to replace sections of the right ureter. We reviewed the literature of the last 25 years on the use of the appendix as right ureteral replacement and report our experience with right ureteral substitution using the appendix. MATERIALS AND methods: We retrospectively reviewed the charts of 3 children who underwent appendiceal replacement of the right ureter. The appendix replaced the upper third of the ureter and the lower ureter in 1 and 2 cases, respectively. RESULTS: Followups of 4, 7 and 15 years, respectively, demonstrated that the appendix transports urine satisfactorily and permits renal function to be maintained with no evidence of obstruction. CONCLUSIONS: We believe that our small series supports the use of the appendix as a right ureteral substitute in select cases.
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5/120. milk of calcium in the inferior calyx of a hydronephrotic kidney in a tetraplegic patient - a diagnosis to be made before scheduling for extracorporeal shock wave lithotripsy.

    STUDY DESIGN: A Case Report of renal milk of calcium in a tetraplegic subject. OBJECTIVES: To increase the awareness of renal milk of calcium in spinal cord injury (SCI) physicians. Renal milk of calcium contains a colloidal suspension of calcium crystals. Since upright views of the kidneys are not performed in tetraplegic subjects, the renal milk of calcium may be misinterpreted as renal lithiasis by routine radiography taken in supine position. SETTING: Regional spinal injuries Centre, Southport, england. METHOD: In a 41-year-old male with traumatic tetraplegia, X-ray of abdomen in supine position showed multiple opacities in the region of the left kidney. These radio opaque shadows were interpreted as renal calculi. Subsequently, computed tomography (CT) of the kidneys was performed. RESULTS: CT confirmed the presence of calculi in the mid-polar calyx. However, the density situated in the inferior calyx of the hydronephrotic left kidney exhibited a horizontal upper edge. This specific radiological finding as observed in the CT of kidneys, provided the clue to the presence of milk of calcium in the inferior calyx of the hydronephrotic left kidney. CONCLUSION: As plain film of the abdomen in standing position is not performed in SCI patients, physicians caring for SCI patients should have a high index of suspicion for renal milk of calcium. Prompt diagnosis of renal milk of calcium will help to avoid unnecessary surgery, or extracorporeal shock wave lithotripsy.
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6/120. Functional urinary tract obstruction developing in fetuses with isolated gastroschisis.

    OBJECTIVE: To evaluate the frequency and natural history of urinary tract abnormalities developing in fetuses presenting with initially isolated gastroschisis. methods: Serial ultrasounds were performed prospectively on fetuses identified by our prenatal diagnosis program as having a gastroschisis. When abnormalities in the urinary tract were identified prenatally, newborns were evaluated by a pediatric urologist. RESULTS: Over a 1-year period four out of 12 fetuses with gastroschisis developed deformations of the urinary tract. In three fetuses the bladder herniated through the abdominal wall defect. Two also had upper tract dilatation. A fourth fetus developed bilateral hydronephrosis with a normally situated bladder. Once the gastroschisis was repaired none of the newborns had evidence of structural obstruction of the urinary tract, however, hydronephrosis with or without reflux persisted for several months. CONCLUSIONS: Deformations of the fetal urinary tract can develop secondary to gastroschisis. They do not appear to represent separate malformations and evaluation with fetal karyotyping may not be indicated. When hydronephrosis is present ongoing urologic evaluation of the neonate is indicated.
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7/120. Unilateral hydronephrosis resulting from intraluminal obstruction of the ureter by adenosquamous endometrioid carcinoma arising from disseminated endometriosis.

    A case of adenosquamous carcinoma arising in the background of disseminated pelvic endometriosis presented as unilateral hydronephrosis and a polypoid intraluminal ureteral mass. This is the first case of a malignancy arising in endometriosis presenting as an obstructive ureteral mass. The patient had a history of total hysterectomy and bilateral salpingo-oophorectomy 5 years earlier because of an endometriotic cyst, and had since been under unopposed estrogen replacement therapy. An analysis of the case and related literature is presented. Possible pathogenic mechanisms are discussed.
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ranking = 0.077438800161523
keywords = back
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8/120. Giant hydronephrosis of a duplex system associated with ureteral ectopia: a cause of retrograde ejaculation.

    Retrograde ejaculation is an extremely rare complication of the ectopic ureter or ectopic ureterocele. In the literature, only two cases have been reported worldwide. In this article the authors describe a patient who has a completely duplicated collecting system with massive dilatation of the upper pole system, which has manifested as a huge abdominal and retroperitoneal mass, complicated by retrograde ejaculation.
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9/120. Silent hydronephrosis/pyonephrosis due to upper urinary tract calculi in spinal cord injury patients.

    STUDY DESIGN: A study of four patients with spinal cord injury (SCI) in whom a diagnosis of hydronephrosis or pyonephrosis was delayed since these patients did not manifest the traditional signs and symptoms. OBJECTIVES: To learn from these cases as to what steps should be taken to prevent any delay in the diagnosis and treatment of hydronephrosis/pyonephrosis in SCI patients. SETTING: Regional spinal injuries Centre, Southport, UK. methods: A retrospective review of cases of hydronephrosis or pyonephrosis due to renal/ ureteric calculus in SCI patients between 1994 and 1999, in whom there was a delay in diagnosis. RESULTS: A T-5 paraplegic patient had two episodes of urinary tract infection (UTI) which were successfully treated with antibiotics. When he developed UTI again, an intravenous urography (IVU) was performed. The IVU revealed a non-visualised kidney and a renal pelvic calculus. In a T-6 paraplegic patient, the classical symptom of flank pain was absent, and the symptoms of sweating and increased spasms were attributed to a syrinx. A routine IVU showed non-visualisation of the left kidney with a stone impacted in the pelviureteric junction. In two tetraplegic patients, an obstructed kidney became infected, and there was a delay in the diagnosis of pyonephrosis. The clinician's attention was focused on a co-existent, serious, infective pathology elsewhere. The primary focus of sepsis was chest infection in one patient and a deep pressure sore in the other. The former patient succumbed to chest infection and autopsy revealed pyonephrosis with an abscess between the left kidney and left hemidiaphragm and xanthogranulomatous inflammation of perinephric fatty tissue. In the latter patient, an abdominal X-ray did not reveal any calculus but computerised axial tomography showed the presence of renal and ureteric calculi. CONCLUSIONS: The symptoms of hydronephrosis may be bizarre and non-specific in SCI patients. The symptoms include feeling unwell, abdominal discomfort, increased spasms, and autonomic dysreflexia. physicians should be aware of the serious import of these symptoms in SCI patients.
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ranking = 4.0238095953812
keywords = upper, chest
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10/120. Reversible acute renal failure in association with bilateral ureteral obstruction and hydronephrosis in pregnancy.

    This is a case report of a 16-year-old girl with renal failure in pregnancy in association with bilateral ureteral obstruction and hydronephrosis. The presenting symptom was a common nonspecific type of abdominal pain. The diagnosis was made on incidental laboratory work to rule out preeclampsia. Renal function reverted back to normal after induced vaginal delivery.
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ranking = 5.3102667858048
keywords = abdominal pain, back
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