Prognostic factors in patients with upper urinary tract urothelial carcinoma undergoing nephro-ureterectomy
Revista Medica de Chile, ISSN: 0717-6163, Vol: 150, Issue: 2, Page: 172-177
2022
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Article Description
Background: Upper urinary tract urothelial carcinoma (UTUC) represents 5-10% of urothelial carcinomas. It is managed with nephroureterectomy (NUR); however, kidney-sparing techniques are growingly used. Aim: To report the results of a 20-year series of NUR conducted in an academic center. Patients and Methods: Review of clinical and pathological characteristics of patients undergoing NUR between 1999 and 2020. Patients were followed for 63 months. Global survival curves (OS) and mortality predictors were established through Cox regression. Results: We included 90 patients with a median age of 68 years undergoing NUR, of whom 68 (75%) had a pelvic tumor and 22 (25%) had a proximal ureteral tumor. A laparoscopic NUR was performed in 60 patients (66%). Thirty-three patients (37%) had tumors confined to the urothelium (pTa), penetrating the lamina propria (pT1) or carcinoma in situ (CIS), 10 patients (11%) had a tumor spreading to the muscle layer (pT2) and 47 (52%) had a tumor spreading to nearby organs (pT3 / T4). Average tumor size was 3.69 cm, nodal disease (pN) was present 12 patients (13%). Twelve patients (13%) received adjuvant chemotherapy. A higher mortality was observed among smokers (Hazard ratio (HR) 8.79, 95% confidence intervals (CI) 1.5-49.0, p = 0.01), patients with tumors classified as pT ≥ 2 (HR 1.09, 95% CI 0.01-1.0, p = 0.04) and those with tumors larger than 2 cm (HR 14.79, CI 95% 1.5-272, p = 0.01). Conclusions: Smoking patients, those with invasive tumors (T2-T4) and greater than 2 cm have higher mortality. Therefore, they should not be candidates for conservative management.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85135591645&origin=inward; http://dx.doi.org/10.4067/s0034-98872022000200172; http://www.ncbi.nlm.nih.gov/pubmed/36156642; http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872022000200172&lng=en&nrm=iso&tlng=en; https://dx.doi.org/10.4067/s0034-98872022000200172; https://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872022000200172&lng=en&nrm=iso&tlng=en
SciELO Agencia Nacional de Investigacion y Desarrollo (ANID)
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