prostatic duct


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prostatic duct

One of about 20 ducts that discharge prostatic secretion into the urethra. Synonym: duct prostaticus
See also: duct
References in periodicals archive ?
Most prostatic duct adenocarcinomas have a cribriform pattern and are graded as Gleason pattern 4.
C, Prostatic duct adenocarcinoma is defined by the presence of tall, columnar cells and is often cribriform with slitlike spaces.
6) Prostatic duct adenocarcinoma, mucinous (colloid), and hypernephromatoid adenocarcinoma are considered equivalent to Gleason pattern 4 conventional acinar adenocarcinoma.
1,2] It may involve prostatic ducts, ejaculatory ducts, utricle, or adjacent urethral mucosa.
Exophytic papillary prostatic duct adenocarcinoma with endometrioid features, occurring in prostatic urethra after TURP.
Although the prostatic ducts and acini involved by HGPIN are architecturally benign in that they are typically large glands with branching and papillary/undulating luminal surfaces, they also have different morphologic features from those in benign prostatic tissue.
Prostatic lesions in the dorsal and ventral lobes and periurethral prostatic ducts presented at reduced incidence and severity upon neonatal [E.
10] Typically, entry of microorganisms occurs via the urethra into the prostatic ducts due to direct migration or with intraprostatic reflux of urine.
3] Originally, ductal carcinoma of the prostate was thought to have arisen from the prostatic utricle in the form of a mullerian ductal structure; however, immunohistochemistry studies have since shown that this rare form of prostate cancer arises from the prostatic ducts themselves.
The two main techniques are (1) removal of the prostatic adenoma using the technique of a Millen simple retropubic prostatectomy, excising the adenoma tissue containing the prostatic ducts and most acini, leaving the surgical capsule and seminal vesicles intact,[sup.
7) The most common form of granulomatous prostatitis consists of "nonspecific granulomatous prostatitis" and is characterized by granulomatous inflammation arranged concentrically around prostatic ducts or glands (Figure 1), and can be accompanied by giant cells and a mixture of inflammatory cells including eosinophils.