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Otolaryngology and Ophthalmology 

Otolaryngology and Ophthalmology
Otolaryngology and Ophthalmology

Nerissa M. Collins

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date: 27 September 2020

Benign prostatic hyperplasia (BPH) is common among older men. The prostate is the size of a walnut (20 cm3) in men younger than 30 years and gradually increases in size, leading to BPH in most men older than 60 years. BPH results from epithelial and stromal cell growth in the prostate, which in turn causes urinary outflow resistance. Over time, this resistance leads to detrusor muscle dysfunction, urinary retention, and lower urinary tract symptoms, such as urgency, frequency, and nocturia.

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