A 4-month-old intact male domestic shorthair kitten living in St Kitts, West Indies presented with respiratory distress, cachexia, and mucopurulent nasal discharge. Thoracic radiographs revealed a diaphragmatic hernia. The diaphragmatic hernia as well as subpleural pulmonary nodules suspicious for verminous pneumonia were identified during a postmortem examination. Histology showed multifocal to coalescing pyogranulomatous and eosinophilic pneumonia centered on larvae and morulated eggs. The lesion and nematode morphology were consistent with Aelurostrongylus abstrusus. Although Aelurostrongylus abstrusus has been reported worldwide, this is the first report of a metastrongyloid lungworm in cats in St. Kitts and for the West Indies. This case report should increase the awareness of A. abstrusus pneumonia in cats from St. Kitts and other locations in the eastern Caribbean.
Keywords: Cat; Feline; Lungworm; Metastrongyloid; Pneumonia.
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