Table 3.
Results of diagnostic testing for 6 standardbred foals diagnosed with protein-losing enteropathy (PLE) associated with Lawsonia intracelluaris infection
| Case | PCR | Serology | Gross pathology | Histopathology |
|---|---|---|---|---|
| 1 | Positive | N/A | Thickening duodenum to proximal 2/3 ileum (5–12 mm) | Argentophilic organisms in cytoplasm of enterocytes |
| 2 | Positive | N/A | Thickening bands of small intestine. Duodenum to ileum (10–14 mm) | Argentophilic organisms in cytoplasm of enterocytes |
| 3 | Positive | N/A | Thickened small intestine (up to 14 mm) | Argentophilic organisms in cytoplasm of enterocytes |
| 4 | Negative | Positive | N/A | N/A |
| 5 | Positive | Negative | N/A | N/A |
| 6 | Negative | Positive | N/A | N/A |
N/A = not available