Publications by authors named "Roy Lopez"

Background And Purpose: The complete removal of the stone is the ultimate goal in management, a result that might not be attained even after several sessions of percutaneous nephrolithotomy (PCNL) and/or extracorporeal shockwave lithotripsy (SWL) and/or retrograde intrarenal surgery (ureteroscopy). The objective of this study is to assess our technique of anatrophic nephrolithotomy, with decreased renal ischemia and reduced patient morbidity.

Patients And Methods: From 2007 to 2010, we performed eight anatrophic laparoscopic nephrolithotomies in adult patients with staghorn renal calculus.

View Article and Find Full Text PDF

Background: South Dallas experiences significant disparities in breast cancer mortality, with a high proportion of stage III and IV diagnoses. To address these rates, the Dallas Cancer Disparities Community Research Coalition created an educational intervention to promote breast health and early detection efforts.

Objectives: The goals of the intervention were to increase (a) knowledge regarding the chief contributing factors for breast cancer, (b) awareness of the importance of screening for early detection, and (c) the proportion of women who have engaged in appropriate breast cancer screening practices.

View Article and Find Full Text PDF

Objectives: To report the first case and detailed technique of laparoendoscopic single-site (LESS) surgery simple prostatectomy for benign hypertrophy.

Methods: A 67-year-old man presented with acute urinary retention requiring catheterization. Serum prostate-specific antigen level was 5 ng/mL, and a biopsy revealed benign hypertrophy with a transrectal ultrasound volume estimation of 110 mL.

View Article and Find Full Text PDF

Introduction: To present the initial report of single-port transvesical enucleation of the prostate in 3 patients with large-volume benign prostatic hyperplasia.

Methods: Single-port transvesical enucleation of the prostate was performed in 3 patients with large-volume (187, 93, and 92 g) benign prostatic hyperplasia. A novel single-port device (r-Port) was introduced percutaneously into the bladder through a 2.

View Article and Find Full Text PDF