Years ago a senior-aged female indoor-outdoor kitty (let's call
her Claire) was brought to the veterinary clinic where I worked because she had
recently begun sneezing and gagging. Her breathing was ragged and she was
reluctant to eat. She looked absolutely miserable. Her examination suggested a upper
respiratory infection possibly with secondary pneumonia. It was clear she had
an infection, but her symptoms were strangely severe and sudden.
Because Claire
spent time outside unsupervised, we checked to make sure she hadn't been
exposed to two important feline viruses -- feline immunodeficiency virus (FIV)
and feline leukemia virus (FeLV) -- which can lower the immune system causing
various symptoms of illness including a common cold. Some FeLV+ and/or FIV+ cats live their
entire lives without being ravaged by the effects of these contagious viruses,
while others succumb to secondary infections or cancer. Fortunately, Claire tested negative for exposure to these viruses.
Next we ran
comprehensive blood work on Claire. In cats, organ disease such as kidney or
liver failure can compromise the immune system enough to cause symptoms of a cold.
Cats often hide early symptoms of organ dysfunction, perhaps just vomiting
periodically, and then are presented to their veterinarian "suddenly"
very sick when their body can't compensate for the changes any longer. Happily,
Claire's blood work showed no evidence of kidney or liver failure. Her
electrolytes were mildly abnormal, probably owing to her reluctance to eat and
drink. But surprisingly her white blood cell count was not out of whack as
expected with an infection of the magnitude suggested clinically.
Desperate for
clues, screening chest and abdominal radiographs (a.k.a x-rays) where taken, but
they showed nothing beyond some mild aging changes. Claire was now breathing
with her mouth open and drooling, a terrible finding in a sick feline. Our
options included starting supportive care and antibiotics while adopting a
"watch and see" approach, or sedating Claire for a look in the back of
her throat. At this point, I feared an obstructive tumor or polyp in the back
of her throat or near her vocal cords, but Claire was not allowing a good look.
More than anything, Claire's owners wanted an answer. Anesthesia on a sick animal is risky, especially one that appears to be going downhill, but we had exhausted on Claire all other diagnostic methods readily available.
While Claire was
sedated, I quickly evaluated her oral cavity (normal), epiglottis and vocal
cords (normal) and probed around under her soft palate. Ah-ha! Something
unexpected... something green and covered in phlegm was tucked up behind her soft
palate. Gently I grasped the green foreign object with forceps and pulled it out.
It was instantly obvious to the little crowd of astounded veterinary staff gathered around Claire that a blade of grass--a wide sturdy blade
of crab grass--was the culprit. I found no tumors or abscesses or other
problems in Claire's throat. She woke up quickly, and her relief at having the
offending foreign body removed was immediate and obvious!
This winter, I
was plagued by a similarly confounding case. A young spaniel named Trixie* appeared to
have stepped on something buried in the snow and was limping on her front leg.
A tiny healing scab was found on the bottom of her paw. A radiograph showed
nothing but a little gas in the tissue between her toes, consistent with
infection trapped under the skin. Antibiotic and anti-inflammatory therapy helped a little, but then Trixie's foot would blow up with blister-like
abscesses and bleed. We cultured the discharge to make sure our antibiotic
choice was appropriate (it was), and checked a sample under the microscope to
determine if there was a more insidious cause for the unrelenting swelling like
cancer (it wasn't). Because Trixie wasn't getting any better, we debated exploratory surgery on her foot and removal of the blisters for testing. Surgery on feet and toes
can be awful because there is no loose skin left to close the wound; therefore, diligent aftercare is required on the part of the owners.
A post-operative photo of Trixie's paw with a drain in place. Note the size of the thorn compared to a penny! Next to the thorn is a fleck of thorn material similar to what the owners noticed at home. |
All medical cases are
puzzles that beg to be solved. Some are simple wooden cutouts easily fixed, but
some are 1000-piece photomosaic jigsaws of dizzying complexity that take a lot
of time and persistence to put together. Working through cases like Claire’s and Trixie’s can be frustrating
but the results are incredibly satisfying and unforgettable.