Palliative Radiotherapy and Hormonal Deprivation for Prostate Cancer Induced Urinary Obstruction at a Sub-Saharan Tertiary Hospital

*Sam Kaggwa,1 Israel Luutu,2 Moses Galukande1

1. Department of Surgery, College of Health Sciences, Makerere University, Kampala, Uganda
2. Department of Radiotherapy, Mulago National Referral Hospital, Kampala, Uganda
*Correspondence to sam.kaggwa@gmail.com

Disclosure: The authors have declared no conflicts of interest.
Received: 23.10.15 Accepted: 20.04.16
Citation: EMJ Oncol. 2016;4[1]:130-133.

Abstract

The occurrence of bladder outlet obstruction (BOO) in men with prostate cancer is common. Although relieving the obstruction may not change prognosis, it is highly valued by patients and is generally associated with improvement in general functioning and wellbeing in the short-term. The aim of this study was to assess the efficacy of high-dose external beam radiation therapy (EBRT) combined with bilateral subcapsular orchidectomy (BSO) to relieve BOO due to prostate cancer.

A retrospective study design was employed and conducted at the Mulago National Referral Hospital. Records of all patients with high-risk prostate cancer who presented with urinary obstructive symptoms and treated with the BSO and EBRT were retrieved. The study variables were age, clinical stage, and pathological Gleason score. The endpoint of the study was for patients to be able to pass urine after removing the urethral catheter, analysed as follows: complete failure to pass urine; partial emptying with a post-void volume >100 mL, and passing urine with complete emptying and a post-void volume <100 mL.

In total, 46 patients were analysed in the period of January 2011–December 2012. Mean age was 71 years (range: 63–93). Eight patients failed to pass urine, while six passed urine incompletely (partial emptying). Thirty-two passed urine with a good stream and emptied the bladder completely. The success rate was 32/46 (70%). All patients had T3 and T4 stage disease with Gleason scores >8. In conclusion, orchidectomy combined with EBRT was found to be an effective and feasible option for relieving BOO due to prostate cancer.

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