Figure 1: Pyometra in a 10-month-old rat
Case history and photos
Age: 10 months
Initial consult and diagnosis: 24.3.03
Rat presents with a swollen abdomen. Owner thinks rat is possibly pregnant,
but has been swollen for ages so this is unlikely. Rat x-rayed. Results show abdomen full of fluid - no foetuses. Fine needle aspiration (FNA) of left side of abdomen reveals pus. No free fluid in the abdomen. Suspect pyometra as pus is seen coming out of vulva.
Photo 1: X-ray of abdomen.
Given Metacam and started on Baytril. Rat will likely need surgery.
At this time the rat is active and bar. chest is clear. Rat sent home with owner on Baytril liquid bid (twice a day). The owner also states has noticed that rat is not defecating much - faeces was normal, no diarrhoea, but I think this is due to the bowels being pushed out of way from the massive uterus. Surgery scheduled.
Given premed 0.15ml midazolam, iso/o2 masked down.
Metacam given sc, ventral incision midline - large uterine
horn filled with pus, multiple adhesions of peritoneum over the
mass and also a loop of small intestine. Tied off and removed
adhesions from the bowel. Sutured the omentum of bowel
where was torn. Some haem. Bowel looks OK, hopefully blood
supply not compromised. Sutured muscle with 4/0 vicryl and
skin also 4/0 vicryl. Filled abdomen with warmed hartmanns (Lactated Ringer’s),
and 0.1 mL Baytril. Very guarded prognosis. Rest of abdomen
is fine. Liver looks a bit pale but all other organs look fine.
Home on Baytril. Very weak and has lost a large amount of
weight suddenly. Is very thin. Instructed owner to feed up and keep
warm and quiet.
The rat is doing well, eating well, putting on lots of weight.
Photo 2: Isofluorane gas being given.
Photo 3: Pus-filled uterus.
Photo 4: Another view of uterus.
Weight of uterus/pus = 180g .
Photo 5: Sutured and ready to recover.
Photo 6: Size comparison of pus-filled uterus shown next to coin.
Photo 7: Uterus and pus.
Case history and photos provided by Dr Larissa Ladyko B.V.Sc, via courtesy of Robyn Arthur.
Posted on August 1, 2003, 17:04,
Last updated on April 8, 2010, 15:55