Bladder substitution in women with transitional cell carcinoma (TCC) is not a universally accepted procedure. There are many concerns, one of which is the potential risk of metachronous and synchronous urethral transitional cell carcinoma involvement. Another concern is that voiding dysfunction may be more frequent than in male patients. The numbers of female patients who have had this procedure are still small, and follow-up data are relatively brief. Thus, the true role for orthotopic bladder substitution in the female is still being evaluated. This paper reviews the data on this type of surgery in women, with emphasis on urethral TCC risk and on voiding dysfunction. Early results from a number of institutions are encouraging, particularly in correctly selected patients. Based on more than 15 years experience in an albeit small number of patients, we believe that if there is a functional external sphincter and tumor margins can be safely cleared, this form of surgery offers patients the best opportunity to preserve quality of life following cystectomy.
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http://dx.doi.org/10.1007/s11934-996-0019-8 | DOI Listing |
Front Bioeng Biotechnol
January 2025
The Second Hospital of Jilin University, Changchun, China.
The bladder is a dynamic organ located in the lower urinary tract, responsible for complex and important physiological activities in the human body, including collecting and storing urine. Severe diseases or bladder injuries often lead to tissue destruction and loss of normal function, requiring surgical intervention and reconstruction. The rapid development of innovative biomaterials has brought revolutionary opportunities for modern urology to overcome the limitations of tissue transplantation.
View Article and Find Full Text PDFJ Pediatr Urol
January 2025
Department of Urology, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA. Electronic address:
Objectives: This review aims to (a) provide a concise overview of early clinical trials in bladder tissue engineering and the associated challenges, (b) evaluate significant advancements over the past 15 years in addressing key limitations in angiogenesis, scaffolding, cell sourcing, and immunomodulation, and (c) explore the individual and synergistic contributions of each domain toward the development of a viable engineered solution.
Materials And Methods: Relevant papers for this narrative review were selected through a PubMed search for "bladder tissue engineering" studies published between 01/01/2009 and 12/31/2024, as well as earlier clinical trials that predate this period.
Results: Along with reviewing four major clinical trials, this review highlights nearly 20 distinct studies that showcase progress in the critical domains of angiogenesis, scaffolding, cell sourcing, and immunomodulation.
Int J Urol
January 2025
Department of Urology, National Defense Medical College, Saitama, Japan.
Objectives: To evaluate the feasibility and surgical outcomes of simultaneous urethral reconstruction for synchronous urethral strictures (SUS) and analyze the surgical techniques employed for different stricture combinations.
Methods: Twenty-two male patients with SUS who underwent urethral reconstruction between February 2018 and July 2023 were retrospectively reviewed. Stricture locations and lengths were evaluated using cystoscopy and urethrography after urethral rest for at least 3 months.
Cureus
November 2024
Urology, Dr. D. Y. Patil Medical College, Hospital and Research Centre, Dr. D. Y. Patil Vidyapeeth (Deemed to be University) Pune, Pune, IND.
Urethrovaginal fistulas are rare complications often arising from urethrovaginal injuries commonly due to obstetrical trauma, urethral surgeries, pelvic fractures, or neoplastic treatments. Here, we present a unique case involving a 23-year-old female patient with a large urethrovaginal fistula and complete anterior vaginal wall sloughing following prolonged obstructed labor. Nine months post-cesarean, she reported urine leakage via the vagina upon catheter removal, which intensified in an erect posture.
View Article and Find Full Text PDFEur J Nutr
December 2024
Department of Epidemiology, Maastricht University, Universiteitssingel 40 (Room C5.570), Maastricht, 6229 ER, The Netherlands.
Purpose: Although total dietary protein intake has been associated with bladder cancer (BC) risk, the effect of the origin (plant or animal) and the substitutions remain to be understood. This study aimed to investigate the effect of total dietary protein, animal-based protein, plant-based protein, and their substitutions with each other on the risk of BC using a pooled analysis of 10 cohort studies.
Methods: The study was conducted within the "BLadder cancer Epidemiology and Nutritional Determinants" (BLEND) study, including 10 prospective cohort studies from several European countries, the United Kingdom, and the United States.
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