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1.
Curr Urol Rep ; 18(4): 31, 2017 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-28251485

RESUMEN

PURPOSE OF REVIEW: This study aims to make the reader be aware of recent trends regarding the endoscopic management of upper tract urothelial carcinoma (UTUC) via review of the urologic literature over the past 5 years. Given the rare incidence of this disease, and the lack of level 1 evidence, systematic reviews and meta-analyses were also evaluated. Studies of importance are also considered and outlined in the annotated reference section. RECENT FINDINGS: The PubMed database was queried using the following medical subject headings (MeSH terms): "carcinoma, transitional cell," "ureter," "ureteral neoplasms," "kidney pelvis," "endoscopy," "laser therapy," "ureteroscopy," "urologic surgical procedures," and "ureteroscopes." MeSH terms were linked together in varying combinations and limited to human studies in English. Given the relatively rare nature of upper tract urothelial carcinoma (UTUC), level 1 evidence regarding the efficacy of endoscopic treatment does not exist, even after 30+ years of experience. Rather, the literature available mostly is in the form of single institutional retrospective series consisting of relatively small numbers of patients with short to intermediate follow-up. Only within the last 3 years have published series with larger numbers of patients and mean follow-up over 5 years been made available. Even with these more robust experiences, comparisons among series are difficult given variable treatment and follow-up approaches. Most endoscopically managed UTUC will locally recur, especially with longer follow-up. Renal preservation rate is high, however, approaching 80% with follow-up well over 3 years. Patients with high-grade disease often fare poorly regardless of treatment modality. As such, endoscopic management for high-grade urothelial carcinoma should only be used in exceptional circumstances (i.e., in those patients medically unfit for NU or those with solitary kidneys wishing to avoid the morbidity of dialysis). No level 1 evidence exists for the routine use of intraluminal adjuvant therapy for UTUC (i.e., BCG and Mitomycin C) and multiple retrospective observational series claim there is no overt benefit. The recent formation of multiple international groups with interest in UTUC may eventually lead to the production of level 1 studies regarding optimal treatment; however, uniformity in treatment approach will likely still offer challenges.


Asunto(s)
Ureteroscopía , Neoplasias Urológicas/terapia , Humanos , Terapia por Láser , Procedimientos Quirúrgicos Mínimamente Invasivos , Resultado del Tratamiento , Ureteroscopía/métodos , Neoplasias Urológicas/patología , Procedimientos Quirúrgicos Urológicos
2.
J Natl Med Assoc ; 109(1): 49-54, 2017.
Artículo en Inglés | MEDLINE | ID: mdl-28259216

RESUMEN

PURPOSE: Several studies suggest that a baseline prostate specific antigen (PSA) measured in young men predicts future risk of prostate cancer. Considering recent recommendations against PSA screening, high-risk populations (e.g. black men, men with a high baseline PSA) may be particularly vulnerable in the coming years. Thus, we investigated the relationship between baseline PSA and future prostate cancer in a black majority-minority urban population. MATERIALS AND METHODS: A retrospective analysis was performed of the prostate biopsy database (n = 994) at the Brooklyn Veterans Affairs Hospital. These men were referred to urology clinic for elevated PSA and biopsied between 2007 and 2014. Multivariate logistic regression was used to predict positive prostate biopsy from log-transformed baseline PSA, race (black, white, or other), and several other variables. RESULTS: The majority of men identified as black (50.2%). Median age at time of baseline PSA and biopsy was 58.6 and 64.8, respectively. Median baseline PSA was similar among black men and white men (2.70 vs 2.91 for black men vs white men, p = 0.232). Even so, black men were more likely than white men to be diagnosed with prostate cancer (OR 1.62, p < 0.0001). Black men less than age 70 were at particularly greater risk than their white counterparts. Baseline PSA was not a statistically significant predictor of future prostate cancer (p = 0.101). CONCLUSIONS: Black men were more likely to be diagnosed with prostate cancer than were white men, despite comparable baseline PSA. In our pre-screened population at the urology clinic, a retrospective examination of baseline PSA did not predict future prostate cancer.


Asunto(s)
Biopsia , Antígeno Prostático Específico/análisis , Neoplasias de la Próstata , Negro o Afroamericano/estadística & datos numéricos , Anciano , Biopsia/métodos , Biopsia/estadística & datos numéricos , Humanos , Masculino , Tamizaje Masivo/métodos , Persona de Mediana Edad , Valor Predictivo de las Pruebas , Pronóstico , Neoplasias de la Próstata/sangre , Neoplasias de la Próstata/diagnóstico , Neoplasias de la Próstata/etnología , Estados Unidos/epidemiología , Salud de los Veteranos/etnología , Salud de los Veteranos/estadística & datos numéricos , Población Blanca/estadística & datos numéricos
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