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      A Case of Bladder-Inverted Papilloma after Brachytherapy for Prostate Cancer

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          Abstract

          An 82-year-old male who presented with the chief complaint of gross hematuria and a history of prostate cancer treated with brachytherapy 6 years previously is described. Cystoscopy revealed multiple bladder tumors on the right posterior wall. A transurethral resection of the bladder tumor was performed and a pathological diagnosis of the inverted papilloma was made. To the best of our knowledge, this case is the first report of bladder-inverted papilloma after brachytherapy for prostate cancer.

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          Most cited references 13

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          Complications following permanent prostate brachytherapy.

           N. Stone (2002)
          The acute and chronic complications of permanent prostate brachytherapy are discussed. Review of literature for the complications associated with iodine-125 (125I) and palladium-103 (103Pd) prostate brachytherapy. Acute complications included urinary retention, changes in the International Prostate Symptom Score (IPSS) and need for TURP. Chronic morbidity included permanent urinary symptoms, incontinence, radiation proctitis and erectile dysfunction. Urinary retention occurred in 1.5-22% of the patients postimplant. Acute urinary symptoms increased by over 100% 1 month after the procedure. By 12 months, the symptoms were either back to baseline or slightly elevated in over 90% of the patients. Significant obstructive symptoms or persistent urinary retention necessitating TURP occurred in 0-8.7%. Urinary incontinence was found in 0-19% treated by implant without associated TURP, in 0-85% for those who had a TURP prior to the implant and in 0-17% for those who had the TURP subsequent to the implant. Potency rates ranged from 34% to 86% 1-6 years postimplant. Radiation proctitis was found in 0.5-21.4%, with significant injury (fistula) occurring in 1-2.4%. The data from this report suggests that permanent prostate brachytherapy can be accomplished with minimal short- and long-term morbidity. Attention to detail as well as an appreciation to the causative factors for the morbidity will help reduce treatment-related side effects.
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            Second malignancies after prostate brachytherapy: incidence of bladder and colorectal cancers in patients with 15 years of potential follow-up.

            To report the incidence of second bladder and colorectal cancers after prostate brachytherapy. This review included 125 patients treated with I-125 brachytherapy alone, and 223 patients who received supplemental external beam radiation therapy. Median follow-up was 10.5 years. Patients were followed for the development of lower genitourinary and colorectal cancers. Second malignancies arising five years after radiation therapy were defined as being potentially associated with treatment; observed rates were then compared with age-matched expected rates according to Surveillance, Epidemiology, and End Results data. Five years out of treatment, there were 15 patients with a second solid tumor, including bladder cancer (n = 11), colorectal cancer (n = 3), and prostatic urethra cancer (n = 1). The incidence of second malignancy was no different in patients treated with brachytherapy alone (1.6%) vs. those receiving external beam radiotherapy (5.8%, p = 0.0623). There were more observed bladder cancers compared with those expected (relative risk, 2.34, 95% confidence interval 0.96-3.72; absolute excess risk 35 cancers per 10,000 patients). Relative risk did not significantly change over increasing follow-up intervals up to 20 years after treatment. There may be an increased but small risk of developing a second malignancy after radiation therapy for prostate cancer. This outcome could be related to radiation carcinogenesis, but more vigilant screening and thorough workup as a result of radiation side effects and predisposing conditions (e.g., genetic and environmental factors) in many of the patients found to have second malignancies likely contributed to the higher number of observed malignancies than expected.
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              Urinary side effects and complications after permanent prostate brachytherapy: the MD Anderson Cancer Center experience.

              To evaluate acute and long-term urinary morbidity after permanent prostate brachytherapy at a single tertiary care center. To minimize the risk of long-term urinary morbidity, it is important for clinicians to be able to distinguish acute urinary side effects after prostate brachytherapy from longer-term treatment-related urinary complications. The medical records of 351 consecutive patients who underwent prostate brachytherapy at the MD Anderson Cancer Center between 1998 and 2006 were analyzed. To evaluate the short-term urinary side effects, the Expanded Prostate Cancer Index Composite questionnaire was administered at baseline and at 1, 4, 8, and 12 months. Long-term urinary complications were scored using a modified Radiation Therapy Oncology Group scale. All 4 urinary subdomain scores evaluating acute urinary side effects after treatment (bother, function, incontinence, and irritation or obstruction) had returned to baseline levels by 8 months after implantation. At 5 years, the cumulative risks of late urinary complications by grade were 8.6% for grade 1 complications, 6.5% for grade 2, 1.7% for grade 3%, and 0.5% for grade 4. The most common grade 2 late urinary complications were urethral stricture (4 patients), incontinence requiring daily pads (3 patients), and intermittent hematuria (3 patients). Grade 3 complications were urinary retention requiring self-catheterization (2 patients) and severe frequency with dysuria (2 patients). The only grade 4 event was severe hemorrhagic cystitis. Short-term urinary side effects after prostate brachytherapy are common, follow a predictable course, and typically resolve within 1 year. Conservative management of short-term urinary side effects is recommended to minimize the risk of long-term urinary complications.
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                Author and article information

                Journal
                CRU
                CND
                10.1159/issn.2296-9705
                Case Reports in Nephrology and Dialysis
                S. Karger AG
                2296-9705
                2014
                May – August 2014
                28 June 2014
                : 4
                : 2
                : 131-136
                Affiliations
                Departments of aUrology and bDiagnostic Pathology, Keio University School of Medicine, Tokyo, Japan
                Author notes
                *Takeo Kosaka, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582 (Japan), E-Mail takemduro@gmail.com
                Article
                365142 PMC4107386 Case Rep Nephrol Urol 2014;4:131-136
                10.1159/000365142
                PMC4107386
                25076961
                © 2014 S. Karger AG, Basel

                Open Access License: This is an Open Access article licensed under the terms of the Creative Commons Attribution-NonCommercial 3.0 Unported license (CC BY-NC) ( http://www.karger.com/OA-license), applicable to the online version of the article only. Distribution permitted for non-commercial purposes only. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

                Page count
                Figures: 3, Pages: 6
                Categories
                Published: June 2014

                Cardiovascular Medicine, Nephrology

                Inverted papilloma, Prostate cancer, Brachytherapy

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