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Gum Swelling in a Dachshund That Keeps Refilling With Blood

by Emma
(Southlake Texas)

Reader Question
I have a seven year old dachshund who has a "mysterious" lump on the left side of his nose that is very swollen. If his lip is lifted the teeth appear in healthy condition yet the gum on that side, is all puffed up like a large pillow. No redness or any discoloration just all puffed up. At first we thought something had bitten him as we noticed when he came in from outside one day he began to drag his face along the couch as if something was "on it" . I know he has the tendency to eat toads and they make him sick but thought maybe one bit him? When the bump showed up shortly thereafter we took him to the vets and he was sedated enough to aspirate the bump. Much to everyone's surprise the vile came back filled with old blood. Nothing odd showed up under the doctors microscope either. We then all thought that maybe he suffered some kind of trauma and it might be a hematoma? We took him home and administered antibiotics but within a week the bump resurfaced and refilled with old blood. Although it was not as large as the first time. This time we lessoned the sedation for aspiration (due to him having a hard time coming out of sedation for 3 days the first time) but he fussed so much that they could only aspirate 1/2 of the lump this time. Again just old blood filled the vile. Now we
are all getting concerned. We have another appointment in a few weeks to see if there is any further change.

Have any other veterinarians out there seen anything like this before that "refills" with blood? Are there any other possibilities besides some kind of oral cancer?

Thank you so much for any information you might be able to provide our family.


Answer from Our Team

We understand how unsettling it is when a swelling keeps coming back with no clear answer. A pocket that refills with old blood can have several causes besides cancer, including a hematoma from an injury, a tooth root abscess or infection deep in the bone, a cyst in the jaw, or a problem with blood clotting.

Needle samples of bloody fluid often don’t contain enough cells to give an answer, so a clear result doesn’t rule much in or out. The next steps your vet may suggest are dental X-rays (or a CT scan) to look at the tooth roots and bone, blood tests including a clotting profile, and, if a solid area is found, a small tissue biopsy. Since he struggled to recover from sedation, ask whether these can all be done under one carefully monitored anesthetic.

Some mouth tumors, including melanoma, can bleed and cause facial swelling, and Dachshunds are listed among breeds at higher risk, so it’s worth pressing for a firm diagnosis rather than repeating aspirations. See signs of oral cancer in dogs for conditions that can look similar.

This is general information, not a diagnosis. Please follow your own vet's advice.

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