Table 2 Cytological and histopathological patterns suggestive of canine L. infantum infection found in organs or body fluids.

✔ Macrophagic inflammation (granulomatous)

✔ Neutrophilic-macrophagic inflammation (pyogranulomatous)

✔ Lymphoplasmacytic inflammation

✔ Reactive hyperplasia in lymphoid organs

✔ No evidence or variable numbers of intracellular or extracellular Leishmania amastigotes