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The prostate is a exocrine gland of the male reproductive system. In adults, it is about the size of a walnut, [2] and has an average weight of about 11 grams (0.39 oz), usually ranging between 7 and 16 grams (0.25–0.56 oz). [3] The prostate is located in the pelvis. It sits below the urinary bladder and surrounds the urethra.
Benign prostatic hyperplasia (BPH), also called prostate enlargement, is a noncancerous increase in size of the prostate gland. [1] Symptoms may include frequent urination , trouble starting to urinate, weak stream, inability to urinate , or loss of bladder control . [ 1 ]
Transrectal ultrasonography, or TRUS in short, is a method of creating an image of organs in the pelvis, most commonly used to perform an ultrasound-guided needle biopsy evaluation of the prostate gland in men with elevated prostate-specific antigen or prostatic nodules on digital rectal exam.
The prostate is a small gland found in men, located below the bladder and surrounding the urethra. Its primary function is to produce a fluid that transports sperm during ejaculation.
It tends to be about one cm in length. [4] It can sometimes be enlarged. [5] [6] The utricle is deemed enlarged if it allows insertion of a cystoscope at least 2 cm deep. [7] This is often associated with hypospadias. [8] Dissection of prostate showing prostatic utricle opening into the prostatic urethra.
Cytological differences between normal prostate and neoplastic glands are evident in changes to the typical two cell layers of the gland. In prostatic adenocarcinoma, the basal (bottom, usually cuboidal type) cell layer is lost, with only the top layer (usually columnar to pseudostratified) remaining. [citation needed]
English: Chromogenic immunohistochemistry of benign gland (left) and adenocarcinoma (right) using the PIN-4 cocktail. The adenocarcinoma lacks the basal epithelial cells (stained dark brown by p63, CK-5 and CK-14).
Prostate cancer screening typically involves two tests, Dr. Spratt says. One is a digital rectal exam, where doctors feel the prostate gland for abnormalities. “It’s a quick and painless ...
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