Search results for "Renal pelvis"
showing 6 items of 16 documents
Transitional cell carcinoma of the renal pelvis presenting as a renal abscess.
2002
We report on a 76-year-old woman who was diagnosed with a primary renal abscess of the left kidney. After percutaneous drainage, no clinical improvement was observed. Surgical exploration and nephrectomy were performed. The histologic evaluation revealed an unsuspected transitional cell carcinoma of the renal pelvis, which had been misinterpreted as a primary renal abscess. Malignancy must be considered as an underlying cause for the formation of a renal abscess, especially if no other predisposing factors such as diabetes mellitus or urinary stones are present.
Influence of induced intrauterine diuresis on the upper urinary tract
1993
There are many possible etiologies of sonographically detected dilatation of the renal pelvis and the ureter during pregnancy. The observation that fetal ureteral dilatation occurs with congenital diabetes insipidus has led to the suspicion of at least a modifying influence resulting from intrauterine diuresis. To increase fetal diuresis experimentally, Wistar rats were treated with 100 mg chlorthalidon and 40 mg furosemide per kg bodyweight per day. The animal experiment was performed with four groups. Group I was treated during the entire course of pregnancy. Group II during the first half and Group III during the second half. Group C was the untreated control group. For morphometric inve…
Stimulation of calcium uptake by norepinephrine or high external potassium in human calyces and renal pelvis.
1989
The effects of stimulation with either 10 mumol/l norepinephrine or 85 mmol/l extracellular potassium concentration on calcium uptake were studied in muscle strips from human renal calyces and from the renal pelvis. The apparent uptake of calcium under control conditions was essentially complete after 30 min. Stimulation of the muscle strips with norepinephrine or high external potassium significantly (P less than 0.05) increased the calcium uptake over the control values at 30 and 100 min, whereas 45Ca efflux was virtually not affected. It is concluded that the mechanical responses of the muscle strips to norepinephrine or high external potassium correspond with an increased uptake of calc…
Percutaneous Nephrostomy in Obstructive Uropathy
1983
Since the original description by Goodwin in 1955, percutaneous nephrostomy (PNS) has assumed an important role in the management of obstructive uropathy. It was initially devised as an alternative to operative nephrostomy, but has now completely replaced the latter, for the following good reasons: 1. It can be done under local anesthesia. 2. It provides effective urinary drainage. 3. It carries an acceptable risk, with low morbidity and practically no mortality.
Handling and pathology reporting of specimens with carcinoma of the urinary bladder, ureter, and renal pelvis.
2003
Abstract Objective: Pathologists play a pivotal role in the diagnosis and in the report of the pathological features related to prognosis. Methods: To meet these endpoints, the following issues must be accomplished: adequate information about the patient history, proper handling of the specimens, identification of the reliable histopathological techniques necessary to reach the more detailed diagnostic information and evaluate the prognostic variables, and a standardized pathological report. Results: Recent efforts to standardize the histopathological evaluation have generated significant confusion among the urological and pathological communities as well. No consensus has been achieved abo…
Möglichkeiten und Grenzen der Spiral-CT bei der Untersuchung von Nierenbeckenkarzinomen
1994
PURPOSE To assess the value of spiral CT in comparison to conventional CT in the staging of renal pelvic carcinoma. PATIENTS AND METHODS 35 patients with renal pelvic carcinoma underwent preoperative CT; conventional technique (n = 21) and spiral CT (n = 14) with the reconstruction of thin sections were compared. RESULTS Non-invasive or minimal invasive tumours (TA, T1, T2) could not be differentiated with either technique. Small, flat tumours (TA) or multicentric tumours may be missed, even if spiral scanning is applied. The separation of local tumour growth from infiltration is significantly improved by spiral CT (12 of 12 patients instead of 18 out of 21 patients with the conventional te…