Sometimes this is noticed by cat carers (e.g., visible swellings under the neck, or at other parts of the body), but more often, it will only be picked up by a veterinarian examining your cat. The clinical signs associated with lymphadenopathy are simple: enlargement of lymph nodes. In addition to enlarged lymph nodes, cats with lymphadenopathy may have other signs of poor health, including dullness, loss of appetite, and weight loss. It is normally detected by veterinarians during routine physical examinations of sick cats. Lymphadenopathy is only seen occasionally. Secondary or metastatic cancers from a primary source Primary cancers of the lymphatic systemĢ. Neoplastic hyperplasia, when affected lymph nodes are enlarged because of infiltration by cancerous cells.ġ.Young cats are more likely to be affected by this type of lymphadenopathy. Reactive hyperplasia or inflammatory lymphadenopathy or lymphadenitis, when the lymph nodes are reacting to a challenge, such as fungal infections, bacterial infections, viral infections (including feline leukemia virus or feline immunodeficiency virus), or immune reactions (like eosinophilic granulomas or non-neoplastic mast cell infiltrations).Lymph nodes become enlarged for two main reasons:
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