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1.
Article in English | MEDLINE | ID: mdl-38910423

ABSTRACT

Finasteride and dutasteride are 5a Reductase Inhibitors (5a-RIs) and comprise the mainstay of treatment for the management of patients with benign prostatic hyperplasia. 5a-RIs are expressed in a variety of tissues, such as adipose tissues and liver, resulting in a reduction of glucocorticoid levels and affecting androgen regulation and metabolic function. As a result, the administration of these regimens may generate adverse metabolic events, such as liver disease, hyperglycemia, hyperlipidemia, and diabetes mellitus. Although several studies have tried to record these adverse metabolic events both in human subjects and animal models, the exact mechanisms of these actions have not been well described yet in the literature. Further well-designed clinical trials are needed to elucidate the exact role of 5a reductase inhibitors in the progression of the metabolic syndrome. The aim of this study was to systematically review the literature concerning the role of dutasteride or finasteride in the progression of metabolic adverse events and further investigate possible pathophysiologic mechanisms.

2.
Article in English | MEDLINE | ID: mdl-38549519

ABSTRACT

BACKGROUND: Paragangliomas of the urinary tract are exceptionally uncommon, and sporadic case reports of primary paraganglioma of the prostate have been reported in the literature. METHODS: Systematic research in PubMed/Medline and Scopus databases concerning primary prostatic paraganglioma was performed by two independent investigators. RESULTS: This analysis included 25 adult males, with a mean age of 49.8 ± 22.4 years. 32% of included patients had a history of hypertension. Problems during urination (52%), blood loss (44%), either as hematuria or hemospermia, and catecholamine-related symptoms (36%) comprised the most frequently reported clinical manifestations. Digital rectal examination found a palpable nodule in 36% of patients, while prostatic specific antigen (PSA) was normal in all tested patients. Abdominal ultrasound (44%), computed tomography (44%) and magnetic resonance imaging (28%) helped to identify the primary lesion. 24-hour urine epinephrine, norepinephrine and vanillylmandelic acid (VMA) levels were elevated in 90%, 80% and 90% of included patients. Open surgical excision of the mass was performed in 40%, transurethral resection in 8%, open radical prostatectomy in 24%, transurethral resection of the prostate in 16% and robot-assisted radical prostatectomy in 4% of included patients. CONCLUSION: Due to atypical clinical manifestation and scarcity of prostatic paraganglioma, urologists should be aware of this extremely rare entity.

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