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Congress on Demand 2021: Feline Medicine and Surgery
We are pleased to present a selection of live and on-demand lectures from BSAVA virtual Congress 2021 that cover feline medicine and surgery. This collection can be purchased as a standalone item, with a discount for BSAVA members. Visit our Congress on Demand information page for information about how to access the rest of our 2021 congress lectures.
Collection Contents
3 results
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A practical approach to jaundice in cats
BSAVA Congress Proceedings 2021Author Penny WatsonThe cat presenting with jaundice is rewarding to investigate because it already gives us a strong clue as to where its disease may be and there are a limited number of differentials for jaundice. Obviously, the cat is yellow because of increased circulating bilirubin. Considering the normal metabolism and pathway of bilirubin production and breakdown reminds us of pre-hepatic, hepatic and post-hepatic causes which need to be differentiated. Prehepatic jaundice is caused by increased production of bilirubin exceeding the capacity for hepatic excretion due to red blood cell destruction. It is distinguished from the others by a low haematocrit but icterus is very unlikely to occur unless anaemia is severe. Hepatic jaundice is associated with impaired hepatic uptake, conjugation or excretion into bile and occurs with hepatic disorders in which severe intrahepatic cholestasis develops, e.g. inflammatory liver diseases and feline hepatic lipidosis. Post-hepatic jaundice is associated with interruptions in flow in the extrahepatic bile ducts such as with choleliths; pancreatitis and biliary tract infection. Careful investigation with a combination of blood samples, ultrasonography, bile aspirates and (when indicated) liver biopsies should allow effective diagnosis and treatment.
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Approach to feline inflammatory skin disease
BSAVA Congress Proceedings 2021Author Debbie GowInflammatory skin disease in cats can pose many difficulties owing to varied presentations. In particular, with hypersensitivity type skin disease (feline atopic skin syndrome, FASS), cats present with different clinical signs compared with dogs, respond differently to treatment, and may not tolerate many of our therapies aimed at improving the skin barrier. This presentation reviews the most common clinical presentations of FASS are reviewed (miliary dermatitis, eosinophilic dermatoses, self-induced alopecia and head and neck pruritus), and explains how to form a logical approach to these challenging cases. Reaction patterns provide information of a likely inflammatory/hypersensitivity condition, but they do not help guide in terms of the underlying reason for the inflammation. For this reason, other causes of inflammation and/or pruritus such as parasites (fleas/demodex), infectious organisms (dermatophytosis, bacterial, yeast or more rarely viral infections), behavioural or drug reactions should be investigated and excluded. In rare cases, other causes of inflammation such as neoplasia or a paraneoplastic condition may also be considered – however, these unusual cases will have distinct features or characteristics. Other causes of a potential hypersensitivity such as fleabite, cutaneous adverse food reaction and mosquito-bite must also be excluded before a diagnosis of FASS can be made. This presentation provides a clear and logical workflow to investigate feline inflammatory skin disease focusing on history, clinical exam and diagnostic investigations.
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Are all feline abdominal masses lymphomas?
BSAVA Congress Proceedings 2021Author Sarah MasonAbdominal masses are a common presentation in feline patients, and clinical signs commonly include weight loss, inappetence, vomiting and diarrhoea. The first step in investigation is to consider the likely differential diagnoses and obtain base line haematology and biochemistry to assess for red or white blood cell changes. Investigation of the mass should include abdominal ultrasound to confirm organ of origin, and needle aspirates or trucut biopsy. Ultrasound may give a good indication of the likelihood of successful resection and guide the decision to proceed with additional staging or surgery. The most common abdominal mass in cats is intestinal lymphoma, staging should include testing for FIV/FeLV, and thoracic radiographs if the budget permits. As lymphoma is a systemic disease, chemotherapy is indicated, regardless of staging and surgical intervention. In some patients, however, it is of benefit to excise the mass prior to chemotherapy, in the case of obstruction for example. Other intestinal tumours in felines include carcinoma, mast cell tumour and sarcoma. Abdominal masses may also arise from mesenteric lymph nodes and other organs such as liver, spleen pancreas, bladder or adrenal gland. This session uses a case-based approach to discuss differentials for and investigation of feline abdominal masses.
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