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Malignant histiocytosis is a rare hereditary disease found in the Bernese Mountain Dog and humans, characterized by histiocytic infiltration of the lungs and lymph nodes. The liver, spleen, and central nervous system can also be affected. Histiocytes are a component of the immune system that proliferate abnormally in this disease. In addition ...
Symptoms include stiffness and warm, firm swelling of the legs, and signs of lung disease such as coughing and difficulty breathing. Hypertrophic osteopathy in humans differs from a similar condition in dogs, in that in humans it is usually caused by lung tumors or infections such as Mycobacterium fortuitum or Corynebacterium.
The symptoms depend on the tumor's location and degree of invasion. For example, tumors in the gastrointestinal tract may cause vomiting, diarrhea, or weight loss. Tumors in the mouth may cause bad breath, difficulty swallowing, or lack of appetite. Tumors arising in the peripheral nerves may cause pain, lameness, or neurological symptoms.
More than 200 dogs in the United States reportedly were sick this year from a mysterious respiratory illness that can sometimes develop into pneumonia and has shown resistance to antibiotics.
Vets said a typical case of kennel cough is characterized by the same symptoms as this unknown illness: coughing, loss of appetite, runny nose, lethargy and sometimes a low fever. But while kennel ...
General signs and symptoms include depression, fever, weight loss, loss of appetite, loss of hair or fur and vomiting. Lymphoma is the most common cancerous cause of hypercalcemia (high blood calcium levels) in dogs. [9] It can lead to the above signs and symptoms plus increased water drinking, increased urination, and cardiac arrhythmias.
Clinical signs include anorexia, weight loss, and lethargy. Other signs depend on the organs involved and are a consequence of destructive mass formation. Accordingly, pulmonary symptoms such as cough and dyspnea have been seen. CNS involvement (primary or secondary) can lead to seizures, incoordination and paralysis.
Metastasis is most commonly to the liver, omentum, lungs, or brain. A retrospective study published in 1999 by Ware, et al., found a five times greater risk of cardiac hemangiosarcoma in spayed vs. intact female dogs and a 2.4 times greater risk of hemangiosarcoma in neutered dogs as compared to intact males.