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• Lameness

  Your dog is described as being lame if he is incapable of normal movement. The commonest causes are pain in the joint, its supporting structure or instability in the joint.

• Laryngeal Paralysis

  Laryngeal paralysis is probably more common than generally recognised. It affects middle aged and older dogs, usually of medium and large size.

• Leishmaniasis

  This is a disease caused by a protozoan (single celled) parasite found in dogs and certain rodents in many part of the world. Thankfully the disease is exotic to Australia (foreign) and our isolation and quarantine have afforded us protection from this disease. A type of tick, Rhipicephalus sanguineus is widespread in Australia and this may act as a vector for the disease if it gains entry to our shores.

• Lens Luxation

  The lens is the transparent structure within the eye which assists focusing. In some dogs, particularly the terrier breeds, the ligaments can break down allowing the lens to dislocate from its normal position.

• Leptospirosis

  Leptospirosis is a bacterial disease of dogs that can affect the blood, liver, or kidneys. It is caused by bacteria that are spiral shaped.

• Liver Disease - Are Routine Diagnostic Tests of Value?

  Icterus is the accumulation of yellow pigment in the blood and tissues. It is one of the most dramatic features of liver disease and is clinically recognised as jaundice.

• Liver Diseases

  The liver is a vital, complex organ which performs a number of crucial functions, principally involved with metabolism and is sometimes termed the "factory of the body" which controls many of the chemical processes necessary for normal bodily function.

• Liver Tumours - Epithelial

  Cancers of the liver cells are called hepatocellular adenomas and carcinomas.

• Liver Tumours - Metastatic and Miscellaneous

  The liver has a massive blood supply so many cancer cells from elsewhere arrive within it and start to grow. In dogs metastatic tumours are three times as common as primary tumours and over 30% of malignant cancer is said to metastasize to the liver.

• Lung Tumours

  Most lung cancers originate from the epithelium lining the airways. In dogs, most are from the alveoli where oxygen is taken up into the body but in people and in cats, most originate in the main airways (bronchi).