Abstract
This case study presents the pathomorphological description of a pulmonary trophoblastic embolism in a female chinchilla, which died due to respiratory distress. Routine necropsy examination revealed the presence of multiple small and grey coloured foci, which presented with a hyperaemic and multifocal appearance on the surface of the lungs. Samples taken from the lung tissue were subjected to routine tissue processing and stained with haematoxylin-eosin (HE) and periodic acid-Schiff (PAS) reagents. Histopathological examination demonstrated one or more giant cells with rather large nuclei and a broad cytoplasm in the alveolar capillaries, which appeared as multifocal areas. These cellular structures were positive for PAS staining. And also, lymphocytic and histiocytic inflammatory cells infiltration were observed around the alveoli and bronchi-bronchioles
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