My Dog Has A Lump Of Fatty Tissue Under His Skin, Near His Belly, What Could It Be?

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15 Answers

Daniel Pountney Profile
Daniel Pountney answered
There is a chance this could be a cancerous lump, but in order to give a more definitive answer you would need to give some more information. For example, some dog breeds are more prone to getting fatty lumps than other dogs and if the lump can be moved around when pressing against it, it is unlikely to be cancerous.  It will also depend on the location of the lump and the age of your dog. That said, if you are concerned at all for your dog’s wellbeing, seek expert advice from a vet as soon as possible.
Some dogs get fatty lumps as they get older, however how can owners spot the difference between a fatty deposit and a potentially dangerous cancerous tumor? Fatty tumors (or lipomas as they are also known as) can affect some breeds such as Labradors. These types of tumors usually feel soft and can often be moved around under the skin as they are not attached to the muscle tissue. As long as these do not grow on the muscles, they should not cause any problems.
Mast cell tumors appear quite suddenly and are often very hard. Some people describe them as feeling like a golf ball. These can be more serious and a vet will need to surgically remove a tumor of this type without delay.
Tumors on the surface of the skin are likely to be cancerous- especially if they are bleeding. If this is the case, get your dog to a vet immediately.
Anonymous Profile
Anonymous answered
Any new mass needs to be examined by a veterinarian and at least a fine needle aspirate needs to be performed.  With a fine needle aspirate a small needle is inserted into the mass to gain a cell sample.  The cells are looked at under a microscope to determine if it is benign or malignant.
Lipomas, benign fatty tumors, are very common in dogs especially labs and lab mixes. 
Malignant masses need to be removed.  Benign masses should be removed at the next anesthetic event for your dog.  Preventative care is always best--it is easier to remove a small benign mass than wait until it is larger and causing a problem.
Anonymous Profile
Anonymous answered
All types of bumps in dogs can not be diagnosed properly without physical examinations because there can be many types of canine lumps or bumps. These lumps can be lipomas, hematomas, abscess, hives, sebaceous cysts, warts, infected hair follicles and cancerous. Although, lumps in dogs are usually non cancerous but chances are there. In dogs, most usually lumps are lipomas which are non painful, soft, rounded fatty growths. These lipomas are usually present under the skin and don't cause any problem but can cause discomforts when increased in size or due to location. These lipomas usually don't require treatment but surgery can be performed if their size is large and creating some problems. Cancerous growths can be malignant or benign. Malignant growths can spread to other parts of the body and benign growths are confined to one location. So, any lump or bump in the dogs should be evaluated by vet before start of any treatment.
Penny Kay Profile
Penny Kay answered
My vet, told me that as dogs age they get these fatty cysts. I would show it to your vet, and if he says it is o.k., and it is not bothering your dog...relax.
Holi Morrison Profile
Holi Morrison answered
Take him to the vets if you are worried but my old dog had something similar just behind her front leg and I didn't cause her pain and the vet said it was nothing to worry about and it was just there, don't worry to much until you go to the vets, hope it turns out well for you and your dog.
Anonymous Profile
Anonymous answered
A veterinarian should examine all new lumps.  A fine needle aspirate (a small needle will be inserted into the lump to collect cells for examination under the microscope) will be performed.
This could be a cyst, abscess, lipoma (benign fatty tumor), malignant mass, or umbilical hernia.
Diagnosis is needed to determine appropriate treatment--this may require surgical removal.
Anonymous Profile
Anonymous answered
Lumps are of different types but the most dangerous ones are tumors which can lead an animal to death. Carefully observe the lump. It is cancerous lump if it is irregular in shape, hard, seems to bleed, growing rapidly and your pet has started losing its weight within days. But still it is hard to say anything about it unless your vet make few tests like Biopsy etc to confirm if it is really a growth due to cancerous cells. Always keep the surroundings of your pet clean and accompany it when it goes out for a walk
Jacquelyn Mathis Profile
It depends on what the lumps consist of that you should worry about. If they are just cysts, then you might have to have them drained, and if they are cancerous, then the pup will most definitely need surgery if they are operable. You need to get the pup to the vet to make sure she's o.k. Hope this helps, good luck.
Anonymous Profile
Anonymous answered
Yes I agree with ez get to vet immediately and in the mean time don't allow the dog to get over active to rupture something. Evidently its not harmless if the dog is having trouble walking.
Willard NOYB Profile
Willard NOYB answered
Most likely is some kind of cyst but whether cancerous or not only your vet can tell you. If you want to keep your dog healthy you should get this taken care of; I waited too long once and lost a fine pet to cancer in just such a situation as yours.
Cindy Thompson Profile
Cindy Thompson answered
Not ever lump under the skin is a cause for concern; however, for your peace of mind I would take your dog to the vet to have it tested. Dogs can have benign cysts like people.
Becky T Profile
Becky T answered
It could be one of many things. Our dog had an ingrown hair and it looked like that. Simple procedure and the vet can take it off.

It could also be a bug bite of some sort so you should bring her in and get her tested for Lyme's disease and heartworm.
KR- myopinions Profile
KR- myopinions answered
You should see your vet. Hernia, cyst, abscess, tumor, cancer are a few possibility's. Your vet will be able to begin to narrow thing's down with exam and talking to you. Hope your pup's okay.
Anonymous Profile
Anonymous answered
Older animals tend to get benign fatty tumors. You could get them removed, but they tend to come back and surgery is very stressful on old dogs. You pet could die from the aanisah (sorry can't spell) Your best bet is to see your vet.
Kirstie Profile
Kirstie answered
You should take your dog to the vet, it could be a fatty tumor or a wart but I'm not positive you should definately  have it looked at.

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