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What is Partial Mandibulectomy?

Partial mandibulectomy in cats is performed on the lower jaw to remove abnormal cell growths, damaged tissue from infections, or unhealed fractures. Resection of the lower jaw can include:

  • Unilateral rostral mandibulectomy, partial removal of one side of the lower jaw
  • Bilateral rostral mandibulectomy, partial removal of both sides of the lower jaw
  • Total mandibulectomy, removal of one entire mandible or removal on one entire mandible and a portion of the other mandible

Up to 75% of your cat’s lower jaw can be removed, if required, to address disease conditions. Partial mandibulectomy is not as commonly performed in cats than in dogs, as it can be complicated by their smaller size, less excess oral tissue for reconstruction, and more difficulty adapting to and recovering from the procedure. If necessary, partial mandibulectomy will be performed under anesthesia by a veterinary surgeon.

Partial Mandibulectomy Procedure in Cats

Partial mandibulectomy is performed under general anesthesia. If possible, intubation tube and anesthesia will be used but intravenous anesthesia may be used if the lower jaw surgical site can not be accessed with intubation tube in place. Incisions are made in the lower jaw tissue to access the lower jaw bone. Litigation of vessels to control bleeding will be performed as necessary. Tumors, infected tissue, and bone are removed. Bone is removed using surgical bone saws, drills, chisels or wires as appropriate to the area being removed. Any teeth attached to the bone being excised will also be removed. Bleeding will be controlled with gentle manual pressure.

If neoplasia exists, the tumor will be removed along with tissue margins of at least 1 cm for malignant tumors, preferably more, and 1 cm or less for benign conditions.

Repairs will be made using excess skin tissue and suturing of incisions where tissue has been removed. Your cat will be put in recovery after surgery for supportive care and monitoring. Intravenous fluids will be provided. Cats are often given a feeding tube post surgery to provide nutrition until adequate healing occurs to allow normal feeding. If no complications such as wound rupture or hemorrhaging occur, your cat will be released when they can eat and drink. Some cats are reluctant to eat while in a strange environment, and if this is an issue your cat may be released home on a trial basis. Painkillers will be provided. Antibiotic will be provided at the time of surgery, but are  usually not required post-surgery as good blood supply to the region naturally prevents infection.

Any tissue with abnormal cell growth and tissue margins will be sent for analysis to determine the type of cells present and that tissue margins are adequate.

Efficacy of Partial Mandibulectomy in Cats

Partial mandibulectomy in cats provides effective relief of benign lower jaw disorders. However, cats do not tolerate this procedure as well as dogs and functional recovery may be more complicated.

For malignant neoplasm, prognosis is poor due to the aggressive nature of oral cancers and euthanasia may be an option. In such cases, partial mandibulectomy may provide temporary relief for your cat's condition and combined with radiation or chemotherapy your cat's life expectancy may be extended.

Partial Mandibulectomy Recovery in Cats

A feeding tube, liquified food or soft food should be fed for at least two to four weeks post surgery. The oral cavity will need to be flushed out with a sterile solution and pain medications administered if prescribed. Monitor the surgical site for complications such as bleeding or infection. Avoid manipulating your cat's oral cavity more than necessary. Check to ensure that remaining teeth do not interfere with the surgical site during normal usage and contact your veterinarian if they do. Your will need to follow up with your veterinarian after 2 weeks for suture removal and post-surgery examination and periodically for several months post surgery to ensure healing and functioning of the jaw resumes. An e-collar may prevent your cat scratching or interfering with their mouth during recovery. If malignancy was discovered, follow-up treatment with radiation or chemotherapy may be scheduled. Your cat's tongue may stick out post surgery; your cat may learn to adapt to this and compensate for it. If your cat has problems cleaning itself, you may need to assist with a damp cloth and warm water periodically.

Cost of Partial Mandibulectomy in Cats

The cost of this procedure in your cat can range between $1,500 and $4,000 including radiographs, lab work, anesthetic, procedure, post-surgical supportive care, and medications.

Cat Partial Mandibulectomy Considerations

This procedure is not as well tolerated in cats as in dogs, and cats may have more difficulty adapting during recovery. Cats may particularly have trouble controlling their tongue and cleaning themselves. 

Cosmetic appearance will be altered, however most pets are not concerned with this as relief of the underlying medical condition and associated pain and discomfort is of more salience to your cat. 

Since cats have less excess oral tissues for conducting reconstructive repairs than dogs, reconstruction can be more complicated and will require a veterinarian with experience in such techniques.

Wound rupture is a common complication with this procedure and the surgical site needs to be carefully inspected to ensure that this is addressed if it occurs.

Partial Mandibulectomy Prevention in Cats

The cause and prevention of oral tumors is not well understood. However, daily dental care and regular inspection of the mouth will help you notice abnormal lumps or bumps when they are smaller and more easily removed, and also help control dental disease which may predispose your cat to infection and fracture.

Partial Mandibulectomy Questions and Advice from Veterinary Professionals

Flippy
Indian
2 Years
Critical condition
0 found helpful
Critical condition

Has Symptoms

No pooping problem in eating
no pooping

Flippy ran out of the house in carelessness of my brother that he left a space open in her room.
After which she was found about 9-10 hrs later ,her lower jaw was hanging and she was badly injured by the time we found her ,she could not move.

We immediately took her took a well known hospital in our area and he performed a surgery to fix the lower jaw ,there were three stiches on her body and bruises all over.

The stiches were done with the Staples .The very next day we took her for an x-ray to a very far off but well known hospital.The told us that the surgery hasn't acknowledged the fractures ,as after x Ray they saw that there are 3 fractures in lower mandible so this hospital performed a surgery is where they put a wiring to keep it intact (2nd surgery).

After 4-5 days ,the wiring was showing a bit pointy on the outside,it could probably be because of it being streched a lil bit outside because of the cone , because it's too struck on its surface at times.

So we immediately contacted the doc and he told us to take her to local vet and get the wire from that side removed .The next day to this we took her to them again (the main vet) ,where he did the wiring from that side of the jaw again.(
3rd surgery.

After a week from this ,I was feeding her and I saw that day she isn't eating in the same energy and refused to eat , probably idk what she started to feel in her jaw so bad that she use to stretch it out completely inside the cone so this way by doing this again and again she managed to struck her lower jaw between the bottom of the cone and the collar;between that space and then she screamed each time she use to widen her jaw .No matter how hard we tried to stop it but before anything she broke her tooth .The next day we took her to the main vet again and she broke another tooth there too .The vet told us that they are left to do partial removal of her jaw now which would be 2cm or mm is what was said .We took two days to analyze and figure out with best of the docs in town if they could immediately be able to do something in max a week to save her jaw.
Most of them mentioned and praised about the hospital we were already getting her treated at and mentioned that it has the best doc for techniques that can save her jaw so we thought to finally take a decision also because her culture report had a tlf was 78000 that we couldn't prolong taking the decision.

After having a word with the main head there ,the senior most surgeon,he says that this is what is the only option now so we somehow agreed because the other option was straight to put her down if not this .I didn't think this two year old girl deserves to die of what was our mistake and after struggling so much .We have thought to give her our complete best in this last chance ,I really wanna save her and have left everything important for her ....I would need all of your suggestions from your experience to be able to make this little bub survive.

3/4 of her lower jaw has been removed yesterday . She is about 2 kgs from what she was about a week ago(5kgs)


Also ,the worst part.The doctor did not do a culture and prescribe the antibiotics so when i was taking her to various docs before the last surgery to check how we can save her jaw ,one of the doc got the culture done first to go ahead with anything .Now when the report comes we see that she was resistant to the antibiotics that we were giving her since two weeks,hence such a high Tlc .I feel utterly bad as how could the doc not be careful enough.

I really want to save her . Please help me.

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Vitas
Siberian
14 Years
Mild condition
1 found helpful
Mild condition

Ho much would it cost to operate the lower jaw to remove part of it . His lower jaw bone disappeared. He is bleafing/ drooling from that spot, cat is 13 years old, cancer didn't spread:
What would be more humane to do operation or to put him to sleep . My heart is bleeding with him, I don't want him to suffer.

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
3320 Recommendations
The cost of surgery will vary widely depending on the complexity of the surgery, your location, whether you visit your General Veterinarian or Specialist as well as perioperative care. The cost can spiral into thousands of dollars so you should discuss with your Veterinarian whether it is worth putting Vitas through surgery considering age or if you should go down the palliative care route. Regards Dr Callum Turner DVM

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Anya Potz
DSH
14 Years
Serious condition
1 found helpful
Serious condition

Has Symptoms

Lethargic
Weight Loss
Dehydrated
trouble eating

Medication Used

Fluids for SQ LRS
appetite inducer
B12 shot
steroids

Hello, I am having a hard time deciding whether to put my cat to sleep. She has Squamous cell carcinoma of the front lower jaw. She was diagnosed in December, did pretty well in January and February, and now is doing poorly again. She has responded to steroid shots that make her euphoric. This, coupled with an appetite inducer, fluids for her dehydration and B12 shots have made her like her old self - energetic, affectionate, talkative and definitely hungry. The first time we did the shot, the effects lasted a bit longer than a month. The second time, the effects last two weeks and I'm now seeing with the third shot that the effects probably won't even last the two weeks. My vet and I discussed a mandibulectomy, but he feels it is a harsh surgery that may not even be effective. I was not planning to follow the surgery with chemo or radiation. She is about 15 years old, but otherwise has always been healthy. She has no other issues at this time. I would love some objective advice, separate from this vet. If the shots help her, I hate to put her to sleep. But I also of course do not want her to be pain or to draw out a terrible situation for her just for my own emotional comfort. I'd appreciate any feedback you can offer. Thank you very much.

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
3320 Recommendations

It can always be a difficult decision to make whether to continue treatment, have the surgery or to allow Anya to sleep. There are many factors involved in this type of decision and the most important one you understand already which is will prolonging treatment be good for her or for you which many owners don’t consider. The extent of a partial mandibulectomy and her general health will play a big role in the decision; but consider her age and recovery time, do you and your Veterinarian consider this to be worth the trauma of the surgery. I haven’t examined Anya and haven’t seen any data so I can only speak generally, but I would continue to palliative care (based on her age and your description); however, surgery may be a way to go if there is a good chance of prolonging a reasonably healthy life (emphasis on healthy). Regards Dr Callum Turner DVM

I'm going through the same situation with my wonderful, once-in-a-lifetime cat, Karma. I say "once in a lifetime" because I have never had a stronger bond with any of my kitties, although I'm a cat person and have had many cats since I was a child. Karma is about 14 and all his other body functions are excellent. I don't know whether to go ahead on the surgery or not. Can anyone tell me if they've already had this surgical procedure done and what the results were? And was there quality of life afterward? I need to do what's best for HIM. His will to live is very strong and right now on pain meds he's very much like his old self. But the cancer is there and it's already taken half his lower left jaw.

Anya, what did you do? I have the same problem with my kitty, he is 14, and I don't want him to suffer, but he need operation to remove the jaw, ot I have to make other heartbreaking decision.

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