Ultrasonographic features of grass awns in the urinary bladder

Ofer Cherbinsky, Joellen L Westropp, Selena Tinga, Brian Jones, Rachel E Pollard

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Grass awns are a common cause of foreign body disease in animals, but little is known about their presence in the lower urinary tract. The ultrasonographic features of grass awns in vivo and in vitro have been described in detail. The purpose of this report is to describe the clinical and sonographic features of grass awns in the urinary bladder of dogs and cats. Three male Yorkshire terriers (one of which was examined twice) and one female domestic short-haired cat were evaluated for signs of lower urinary tract disease, and an intravesicular grass awn was suspected based on ultrasound examination. The grass awn appeared ultrasonographically as a bladder stone (n=1) or a linear hyperechoic structure (n=4) with or without acoustic shadowing that was easy to identify due to contrast with surrounding urine. The presence of a grass awn within the urinary bladder was confirmed during exploratory surgery. In all patients, the route of entry of the grass awn was thought to have been retrograde migration from the urethral opening. The ultrasonographic appearance of grass awns in the bladder is consistent with that in other tissues.

Original languageEnglish (US)
Pages (from-to)462-465
Number of pages4
JournalVeterinary Radiology and Ultrasound
Volume51
Issue number4
DOIs
StatePublished - Jul 2010

Fingerprint

Poaceae
bladder
Urinary Bladder
grasses
Cats
bladder calculi
cats
urinary tract diseases
Urinary Bladder Calculi
Urologic Diseases
Animal Diseases
foreign bodies
urinary tract
animal diseases
Foreign Bodies
Urinary Tract
Acoustics
acoustics
urine
surgery

Keywords

  • Foreign bodies
  • Grass awn
  • Lower urinary tract

ASJC Scopus subject areas

  • veterinary(all)
  • Medicine(all)

Cite this

Ultrasonographic features of grass awns in the urinary bladder. / Cherbinsky, Ofer; Westropp, Joellen L; Tinga, Selena; Jones, Brian; Pollard, Rachel E.

In: Veterinary Radiology and Ultrasound, Vol. 51, No. 4, 07.2010, p. 462-465.

Research output: Contribution to journalArticle

Cherbinsky, Ofer ; Westropp, Joellen L ; Tinga, Selena ; Jones, Brian ; Pollard, Rachel E. / Ultrasonographic features of grass awns in the urinary bladder. In: Veterinary Radiology and Ultrasound. 2010 ; Vol. 51, No. 4. pp. 462-465.
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