Sebaceous Adenomas in Dogs and Cats
Sebaceous adenomas are usually benign, curable oil-gland tumors of older dogs and cats, appearing as firm, movable, hairless lumps that may ulcerate. Benign forms are cured by removal or freezing, while adenocarcinomas need wider surgery.
Basal Cell Tumors in Dogs and Cats
Basal cell tumors are common, usually benign skin tumors of dogs and cats that grow slowly and stay in the skin, sometimes ulcerating. They are diagnosed by biopsy and cured by complete surgical removal, with follow-up anti-cancer medication if malignant.
Canine and Feline Ovarian Tumors
Ovarian tumors are uncommon in dogs and cats and usually arise as a primary growth, most often a granulosa cell tumor in older females. Hormone-secreting types cause persistent estrus, while others simply enlarge the abdomen; surgery is typically curative.
Canine and Feline Renal Adenoma and Kidney Tumors
Kidney tumors in dogs and cats may be primary growths such as renal adenoma or nephroblastoma, or spread from cancers elsewhere — metastatic kidney tumors are actually more common. Signs are vague but include weight loss, abdominal swelling, and changes in urination.
Canine and Feline Pancreatic Tumors
Pancreatic tumors occur in older dogs and cats and can be benign or malignant; many spread widely, especially to the liver. Insulin-secreting tumors cause low blood sugar, while surgical removal offers the best chance when caught early.
Canine and Feline Splenic Tumors
Splenic tumors in dogs and cats may be primary or spread from other sites, and often stay silent until the spleen is already enlarged, causing bloating, pain, or anemia. Hemangiosarcoma can rupture and bleed dangerously, making prompt care essential.
Canine and Feline Liver Tumors
Liver tumors in dogs and cats may be primary or spread from elsewhere, with signs much like chronic liver inflammation — poor appetite, weight loss, and vomiting. Slow-growing tumors confined to one lobe can often be removed surgically.
Canine and Feline Gastrointestinal Carcinoma
Gastrointestinal carcinoma is an uncommon but serious gut cancer in dogs and cats; when it arises in the stomach it thickens the wall and leads to ulcers and infection. Early surgical removal offers the best chance, while advanced cases — especially rectal — carry a poor outlook.
Canine and Feline Gastrointestinal Adenoma (Polyps)
A gastrointestinal adenoma, also called a polyp, is a benign gut growth seen more often in dogs than cats and can appear anywhere in the digestive tract. Surgical removal usually cures it, though rectal polyps tend to return.
Canine and Feline Metastatic Lung Tumor
Metastatic lung tumors are cancers that have spread to the lungs from a primary tumor elsewhere, such as mammary, bone, or oral melanoma. Signs resemble primary lung disease but cough is less common, and the outlook is generally poor.
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