Lymphoma in Cats – Symptoms, Causes and Treatment

Lymphoma is a type of malignant cancer . Lymphoma in cats can affect several regions of the animal’s body, such as internal organs and lymph nodes (organs of the lymphatic system, responsible for the storage of lymphocytes and other cells of the immune system).

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Adult and elderly animals are most affected by lymphoma, but young animals may also suffer from this disease. In addition, male cats are more willing to develop this pathology.

Lymphoma in cats can be caused by several factors, and their symptoms depend on which, or which organs are affected. To help you with a better understanding of lymphoma in cats , we at Animal Expert bring you relevant information that can help you with the health of your pussy.

Causes of Lymphoma in Cats

It is unclear what can cause lymphoma in cats , but it is believed that the pathology is closely related to infection by FIV ( Feline immunodeficiency ) and FeLV ( feline leukemia ), exposure to smoke, prolonged inflammation, and immune system changes.

There are different types of lymphoma in cats. Next we’ll explain some of the most common ones.

Food lymphoma in cats

The food lymphoma is characterized by infiltration of the lymphoma in the gastrointestinal system, may affect the stomach, intestines, liver and spleen. The small intestine is commonly affected, and in these cases the disease is called intestinal lymphoma (occurs in 50% to 80% of cases), followed by the stomach (25% of cases).

The main symptoms of food lymphoma are:

  • Weight loss
  • Vomiting
  • Diarrhea
  • Anorexia
  • Lethargy (behavior change, no reaction to external stimuli)
  • Fecal blood

In addition to symptoms, food lymphoma can be diagnosed by palpation, since there is a greater presence of abdominal and intestinal mass, due to the manifestation of the tumor .

The food lymphoma is the second most common cancer in the digestive tract of cats (corresponding to 41% of cases), adenocarcinoma overcome by (malignant tumor of glandular epithelium, or similar surface glands).

Multicentric lymphoma in cats

The multicentric lymphoma is characterized when the tumor reaches different nodes and different body such as liver, spleen, kidneys, and bone marrow. Symptoms depend on the affected organs but include:

  • Anorexia
  • Cachexia (Extreme degree of weakening)
  • Pale mucous membranes
  • Depression
  • Weight loss

In rare cases, animals may exhibit:

  • Bleeding Disorders
  • Eye lesions
  • Neurological signs
  • Infections

There are reports that in most cases of multicenter lymphoma , animals were positive for IVF .

Extranodal lymphoma

The extranodal lymphoma is characterized by achieving any kind of body tissue, your symptoms are related to the affected organs, usually involving the nervous system, kidneys, eyes, and are usually solitary, or affect only a single tissue.

Ocular lymphoma

The extranodal lymphoma that affects the eyeball occurs more frequently in cats than in dogs, and its symptoms include:

  • Aversion to light
  • Conjunctivitis
  • Eye diseases
  • Bleeding
  • Retinal detachment
  • Retinal affection
  • Infiltration of the optic nerve

Renal lymphoma

The extranodal lymphoma that reaches the kidneys is relatively common among felines, and the symptoms are related to renal failure, since normally both kidneys are affected by the lymphoma .

Symptoms usually include:

  • Anemia
  • Large and irregular kidneys

The progression of kidney lymphoma is related to the manifestation of the tumor in the central nervous system of the animal, the probability of this process occurring is 40% to 50%.

Lymphoma in the central nervous system

The lymphoma that affects the central nervous system usually occurs as a multi – center , and often occurs in cats that were primarily affected with renal lymphoma .

Symptoms of lymphoma in the Central Nervous System include:

  • Convulsions
  • Paralysis
  • Paresis

The lymphoma may also expand to the peripheral nervous system, which may cause:

  • Muscle atrophy
  • Respiratory distress
  • Anorexia
  • Lethargy (behavior change, no reaction to external stimuli)
  • Behavioral changes

Lymphoma in the nasal cavity

The Lymphoma is the most common tumor in the nasal cavity in cats, usually occurring in animals of 8 to 10 years. The most common symptoms are:

  • Difficulty breathing
  • Bleeding
  • Nasal discharge
  • Nasal deformity
  • Nasal discharge
  • Splash
  • Weight loss
  • Lethargy
  • Anorexia

Diagnosis and treatment of lymphoma in cats

To perform the diagnosis of your pet, various tests can be done, such as blood tests, biochemical profile, urine analysis, FIV and FeVL tests , x-ray or ultrasound, among other methods, as well as physical examinations.

The main treatment for lymphoma in cats is composed of chemotherapy . This procedure does not promote lymphoma healing , but may promote longer lifespan for your pussy.

On average, the percentage of cats with lymphoma that achieves positive results with chemotherapy is 50% to 80%, with the survival time of 6 months. The results are more positive than the non- FeLV infected animals , which present a high probability of survival over a long time after treatment. However, even if chemotherapy is well tolerated by small cats, the procedure can cause side effects, such as anorexia and lethargy.

Does lymphoma in cats have a cure?

If the lymphoma is discovered in its early stages, it is in a region of easy access and limited, it can be removed surgically, thus eliminating the need for chemotherapy.

This article is purely informative, in we do not have the capacity to prescribe veterinary treatments nor to make any type of diagnosis. We suggest you bring your pet to the veterinarian in case of any type of condition or malaise.

If you want to read more articles like Lymphoma in cats – symptoms, causes and treatment , we recommend you to enter our section of Other health problems .

    Emily Harris

    Hi Guys, Girls, and Cats:-pI am Emily Harris, and you can see in above pic. She loves me I swear. I saved her from a dumpster a few weeks back.

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