Seminal vesicle abscess

Last revised by Daniel J Bell on 16 Oct 2020

Seminal vesical abscesses are a complication of seminal vesiculitis

The associated symptoms can be non-specific and are those typically associated with urinary tract infections:

Infectious agents such as Staphylococcus or E. coli have been associated with infection of the seminal vesicles.

  • increase in volume and heterogeneous density of the seminal vesicle
  • inflammatory changes of adjacent fat
  • gas inside the vesicle may be seen
  • peripheral enhancement on post-contrast images
  • T1: iso-to-low signal
  • T2: heterogeneous high signal
  • DWI: high signal
  • T1C+: peripheral enhancement

Antibiotics are the first line of treatment. Transperineal, transurethral or percutaneous drainage of the abscess is reserved for cases that do not respond to antibiotic therapy. Finally, surgical treatment is the last alternative for cases in which the other methods fail.

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