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Prostate

Benign lesions/conditions

Utricle cysts


Reviewers: Monika Roychowdhury, M.D., (see Reviewers page)
Revised: 25 July 2012, last major update July 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.

General
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● Utricle is embryological remnant arising from mullerian duct or decreased androgenic stimulation of the urogenital sinus; true incidence of prostatic utricle is not known, but present in 14% with proximal hypospadias and 57% with perineal hypospadias
● Utricle cysts are usually between bladder and rectum, with cyst orifice at prostatic urethra
● Mean age 26 years (range 2 months to 75 years)
● Usually asymptomatic, but enlarged cysts may cause urinary tract infections, epididymitis and bladder outlet obstruction
● Associated with abnormal external genitalia in 25%, unilateral renal agenesis/dysgenesis in 10%
● Cysts contain calculi in 10%; epithelial lining is variable or missing

Case reports
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● Antenatally detected double prostatic utricle presenting as pelvic cyst (Pediatr Surg Int 2009;25:297)
● 6 month old boy with poor urine stream and retention due to utricle (J Indian Assoc Pediatr Surg 2009;14:228)
● 2 year old boy with hypospadias and recurrent left epididymo-orchitis (J Indian Assoc Pediatr Surg 2009;14:228)

Micro images
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Utricle cyst

End of Prostate > Benign lesions/conditions > Utricle cyst


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