Prostate - Calculi

Home Chapter Home Jobs Conferences Fellowships Books

Prostate

Benign lesions/conditions

Calculi

Reviewers: Komal Arora, M.D., (see Reviewers page)
Revised: 13 April 2012, last major update March 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.

General
=========================================================================

● Rare in children, infrequent < age 40, common > age 50
● May be solitary but usually occur in clusters and are associated with nodular hyperplasia, prostatic carcinoma, metabolic abnormalities or other abnormalities (Prostate 1985;7:91)
● Identified in 7% of prostates with nodular hyperplasia
● Stones usually contain phosphate salts of calcium, magnesium, potassium, calcium carbonate or calcium oxalate; stones in enlarged prostatic utricles contain hydroxyapatite (J Androl 2012;33:45)
● Corpora amylacea may act as nidus for stone formation
● Radioopaque, are detected by Xray
● Rarely are infected and cause abscesses

Treatment
=========================================================================

● Prostatectomy may be required for large calculi

Gross description
=========================================================================

● Brown-gray, round-ovoid, usually smooth surface

Gross images
=========================================================================

Prostate stones

Micro description
=========================================================================

● Stratified in concentric layers resembling calcified corpora amylacea

Differential diagnosis
=========================================================================

● Carcinoma (clinically both are hard), calculi from bladder, ureter or renal pelvis lodging in prostatic urethra

End of Prostate > Benign lesions/conditions > Calculi

This information is intended for physicians and related personnel, who understand that medical information is often imperfect, and must be interpreted in the context of a patient's clinical data using reasonable medical judgment. This website should not be used as a substitute for the advice of a licensed physician.

All information on this website is protected by copyright of PathologyOutlines.com, Inc. Information from third parties may also be protected by copyright. Please contact us at copyrightPathOut@gmail.com with any questions (click here for other contact information).