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Cancer Causes Control ; 28(11): 1187-1193, 2017 Nov.
Article in English | MEDLINE | ID: mdl-29119339

ABSTRACT

PURPOSE: Grand Bahama (pop. 51,000) is an island within the Bahamas archipelago. A local chapter of International Us TOO Prostate Cancer Support Group (UTGB) has led an annual community-based prostate cancer screening clinic in Grand Bahama each September since 2009. Features of this initiative, characteristics of attendees, and a description of found cancers were summarized to determine the clinic's value and to guide improvements. METHOD: We analyzed the established clinic from 2012 to 2015, wherein UTGB attracted corporate funding, volunteers managed clinics, and health professionals provided healthcare services. An explicit algorithm was used to sort clients by age, comorbidities, and findings from digital rectal examinations, and prostate-specific antigen (PSA) values, to determine which clients would undergo secondary assessment and prostate biopsy. RESULTS: Overall, 1,844 males were registered (mean age 57.6 years), and only 149 men attended on more than one occasion for a total of 1,993 clinic visit. The urologist reviewed 315 men in secondary follow-up, for elevated PSA and/or an abnormal digital rectal examination. Of these, 45 men fulfilled criteria for trans-rectal ultrasound biopsy, and there were 40 found cases of prostate cancer, for a positive-predictive value of 89%. By D'Amico risk-stratification, these 40 cases were low (10%), intermediate (40%), and high risk (50%). The urologist counseled all 40 cases and facilitated access to standard care. CONCLUSION: This study suggests that low-resource countries can advance cost-effective screening clinics, apply policy guidelines, and provide services within acceptable standards of care. It is the expectation, with a sustained effort and community participation over the ensuing years, that earlier disease presentation will occur and, consequently, a concomitant decrease in the disease-specific mortality.


Subject(s)
Early Detection of Cancer , Prostatic Neoplasms/diagnosis , Adult , Aged , Bahamas , Biopsy , Cost-Benefit Analysis , Developing Countries , Early Detection of Cancer/economics , Humans , Male , Mass Screening/economics , Middle Aged , Prostate-Specific Antigen/blood , Prostatic Neoplasms/blood , Prostatic Neoplasms/pathology
2.
Cancer Causes Control ; 28(11): 1285-1293, 2017 Nov.
Article in English | MEDLINE | ID: mdl-28864839

ABSTRACT

PURPOSE: This is a first report from The Bahamas of management and long-term outcomes in men with non-metastatic prostate cancer treated with radiotherapy, with or without androgen deprivation therapy, from 2004 to 2016. METHODS: Patients were characterized by baseline factors, stratified by risk groups using tumor stage (clinical T-stage), prostate-specific antigen (PSA) test result and Gleason grade, and sorted by treatment combinations (by radiation volume and use of androgen deprivation). RESULTS: Overall, 205/216 men were Afro-Caribbean. Median age was 66. There were 18 low-, 77 intermediate-, and 121 high-risk patients, treated with prostate-only versus pelvis plus prostate radiotherapy, many receiving 2 years of androgen suppression. Time to commence radiation was about 6 months from initial diagnosis. In those not relapsing, global PSA nadir was reached in 4 years and was under 1.0, reduced from a mean at baseline of 31. At 10 years, disease-free experience (32 relapses) was 68% and overall survival was 87%, although only 2/12 deaths were related to prostate cancer. This experience compares favorably with recently published outcomes from other countries using very similar treatments. CONCLUSIONS: This study establishes benchmark statistics from diagnosis to long-term follow-up. Outcomes in Bahamian men are consistent with expectations from risk-stratified guidelines followed in developed countries.


Subject(s)
Prostatic Neoplasms/drug therapy , Prostatic Neoplasms/radiotherapy , Aged , Androgen Antagonists/adverse effects , Androgen Antagonists/therapeutic use , Bahamas , Combined Modality Therapy , Disease-Free Survival , Humans , Male , Middle Aged , Neoplasm Grading , Prostate-Specific Antigen/blood , Prostatic Neoplasms/blood , Prostatic Neoplasms/pathology , Risk Factors , Treatment Outcome
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