• Forced diuresis can improve image quality in Ga-PSMA I&T. • After forced diuresis, linear and focal visualization of ureters was reduced. • Timing of diuresis relative to Ga-PSMA I&T injection is important. • Early furosemide co-injection with tracer resulted in deteriorated image quality on delayed images. • After delayed furosemide, image quality improved on delayed images.
Although the results are limited by a small patient number, the consecutive use of enzalutamide and abiraterone after taxane-based chemotherapy shows a modest clinical activity. Thus, sequence therapy alternating between chemotherapy and antihormonal drugs might be a more promising approach in mCRPC treatment.
This article mainly reviews urinary tract injuries in patients with multiple trauma. Approximately 10% of all traumatic injuries resulting from an external force will involve the genitourinary system. The article discusses mechanisms of injury, diagnosis, and therapeutical approaches for renal, ureteral, bladder, and urethral trauma. Due to the complexity of such injuries--despite several attempts to provide a standard strategy in trauma patients with urinary tract involvement--an individual and patient-specific-therapeutic approach is mandatory in most cases. However, the availability of classified guidelines may help the surgeon to reach the most accurate decision. Because of the similarity of American and European guidelines on urological trauma, this article adapts injury severity scales and classification from the American Association for the Surgery of Trauma.
p53wt, p53(273His)- and p53(249Ser)-mutants are able to down-regulate beta-catenin-signalling in PCa-cells probably via degradation of beta-catenin. The degradation of beta-catenin in PCa by p53 is not linked to transcriptional activity of p53. So far the mechanism how p53 interferes with beta-catenin-signalling is unknown. For the first time we provide experimental evidence that the C-terminus of p53 plays an important role in the down-regulation of beta-catenin-mediated TCF-signalling in PCa-cell lines possibly via p53 transrepressional function.
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