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This is a tumour originating from cells of the mammary glands. Most tumours are potentially or already malignant so early surgical removal is important so there is no spread to other parts of the body (metastasis).
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This is a tumour originating from the body's mast cells. The tumours include both benign (non-spreading) and malignant (life-threatening, spreading) types.
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This is a tumour originating from the dog's mast cells. These tumours include both benign (relatively harmless) and highly malignant (more dangerous and spreading) types.
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There are two main types of internal (visceral) mast cell tumours, one originating in the blood forming (haemopoietic) organs, such as the spleen and bone marrow, and the other originating in the gut (usually the intestine but occasionally the stomach).
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This condition results from dilation or paralysis of the oesophagus or tube which connects the mouth with the stomach. There is also an inability of the oesophagus to contract and push the swallowed food into the stomach.
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Melanocytes are cells that produce a pigment called melanin. They are found in many parts of the body where there is pigment, particularly skin, hair and eyes.
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Squamous cell carcinoma in situ is a disordered growth of the skin epidermis which may extend to include epithelium of the upper part of the hair follicles.
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Nasal discharges and sneezing are two clinical signs that are associated with disorders affecting the nasal cavity and/or nasal sinuses.
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Most cancers originate from the lining of the nose (epithelium). Benign tumours (adenomas) are rare but if they are surgically removable, they are curable. Malignant tumours (carcinomas) are more common with many different types.
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Polyps are a benign form of growth – meaning they do not spread from one part of the body to another. Nasopharyngeal polyps arise in the middle ear, the compartment just behind the ear-drum.