Presentation
Presents with one week history of anorexia, intermittent vomiting, and diarrhea. Last heat cycle approximately 3 months ago.
Patient Data
There are enlarged, fluid filled tubular loops throughout the mid and caudal abdomen and on both sides of the abdomen on the ventrodorsal projection. There is a soft tissue opacity separating the bladder and colon cranial to the pelvis. The enlarged loops are causing a mass effect and abdominal distension however the peritoneal detail is good. The urinary and gastrointestinal tracts appear normal. The nipples are moderately enlarged on the body wall.
Uterine enlargement (pyometra, hydrometra, mucometra).
Case Discussion
The uterus was surgically removed. Hemolytic E. coli was cultured from the uterus.
The identifying features of pyometra are enlarged, fluid filled loops (no gas as small intestine would contain) on both sides of the abdomen. In addition, the mass effect between the bladder and colon gives an indication of which organ is the origin.


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