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- Jahnson, S., et al.
(författare)
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p53 and Rb immunostaining in locally advanced bladder cancer : relation to prognostic variables and predictive value for the local response to radical radiotherapy
- 1995
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Ingår i: European Urology. - Basel, Switzerland : S. Karger. - 0302-2838 .- 1873-7560. ; 28:2, s. 135-142
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Tidskriftsartikel (refereegranskat)abstract
- The association between known prognostic variables and altered immunostaining for the nuclear proteins retinoblastoma (Rb) and p53 was studied in a homogeneous series of locally advanced bladder cancer. The predictive value of this immunostaining for the local response to intended radical radiotherapy was investigated. Among 262 patients treated with intended radical radiotherapy between 1967 and 1986, a total of 154 patients were evaluable with respect to local response to treatment. The paraffin-embedded specimen from the tumour prior to irradiation was immunostained with the monoclonal antibodies PMG3-245 for Rb and 1801 for p53 nuclear proteins after heating in a microwave oven for 40 min at 650 W. An altered expression of Rb and p53 was observed in 18 and 42% of the tumours, respectively. p53 overexpression was associated with higher tumour grade. However, the results of the p53 and Rb immunostaining procedures had no predictive value for tumor response to radiation treatment, local control or cancer-specific mortality.
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- Abd-el-Gawad, G, et al.
(författare)
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Kock urinary reservoir maturation in children and adolescents: consequences for kidney and upper urinary tract.
- 1999
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Ingår i: European urology. - : Elsevier BV. - 0302-2838 .- 1421-993X. ; 36:5, s. 443-9
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Tidskriftsartikel (refereegranskat)abstract
- To study Kock reservoir maturation in children and adolescents and its effects on the kidneys and upper urinary tract.Ten boys and 10 girls, aged 10.8-18 years, had Kock reservoir surgery for congenital urinary incontinence. They were followed for 3-10 years, divided into 3 different periods, and assessed with urography and enterocystography, the findings of which were correlated to renal function as measured by (51)Cr EDTA clearance, reservoir endoscopy and patient's history.The reservoir was located in the pelvis and remained in this position throughout the whole follow-up in 75% of patients and in the lower or midabdomen in 25%. Angled efferent nipple seen on enterocystoscopy or enterocystography coincided with nipple dysfunction, reservoir malposition or infrequent reservoir emptying. Upper urinary tract dilatation was detected in 84% of patients 3 months after surgery, 25% at 1 year and 30% at 2-10 years. The dilatation was improved in 56% of patients and unchanged in 25% after 1 year. The situation continued to improve at late follow-up. New focal renal scars were radiologically detected in 1 of 19 at early and in another 1 of 17 patients at late follow-up. Progression of old scars was detected in 1 of 19 at early and in 4 of 17 at late follow-up. Eight of 19 cases had deterioration of renal function with a change in the split renal function. Of these 8 patients, 7 reported infrequent reservoir evacuation.Kock reservoir is a useful form of urinary diversion in children and adolescents with congenital urinary incontinence. Radiological examinations are good methods of follow-up of the maturation of the pouch and its effects on the urinary tract and for detection of complications. Urinary tract dilatation is a frequent finding early after surgery but it subsides in most cases 3-12 months after surgery. Long-term efferent nipple dysfunction may be the result of angulation, reservoir stones, malposition and/or overdistension. Permanent renal damage may be due to pyelonephritis, stones, infrequent reservoir emptying or urinary obstruction. A strict regime of reservoir evacuation to avoid overdistension and nipple dysfunction and to decrease the possibility of renal function deterioration is strongly advisable in these patients. It is imperative that their own management of the reservoir is continuously supervised.
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