Lipoid pneumonia in a rough collie dog |
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Authors: | B M Corcoran M Martin P G G Darke A Anderson K W Head R E Clutton R W Else V Luis Fuentes |
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Institution: | Departments of Veterinary Clinical Studies;*Veterinary Pathology, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Summerhall, Edinburgh EH9 1QH |
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Abstract: | The incidence of lipoid pneumonia in dogs is not known and confirmed cases do not appear to have been reported. Three forms of lipoid pneumonia are recognised in mammalian species; exogenous lipoid pneumonia (ELP), endogenous lipoid pneumonia (EnLP), and post-obstructive endogenous lipoid pneumonia (PEnLP). All forms share similar microscopic characteristics of fat accumulation in the cytoplasm of alveolar macrophages and are otherwise clinically indistinct from other forms of pneumonia. A case of lipoid pneumonia in a seven-year-old rough collie dog which was presented with recurrent bronchopneumonia over several months is reported here. Diagnosis was made from biopsy of resected lung tissue and from detection of fat-containing vacuoles in macrophages obtained by bronchoalveolar lavage. ELP could not be differentiated from PEnLP in this dog, but a complete recovery followed removal of the affected right accessory and caudal lung lobes. |
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