Table 3.
Days after Inoculation | Sporothrix Species | Organs | |||
---|---|---|---|---|---|
Kidney | Liver | Lungs | |||
21 | S. schenckii sensu stricto | ABSENT | ABSENT | ABSENT | |
S. brasiliensis | ABSENT | ABSENT | ABSENT | ||
35 | S. schenckii sensu stricto | Interstitial nephritis, granulomatous, multifocal and severe in the capsule, cortex, medulla and pelvis. Multifocal areas of fibrosis. Poorly organized granuloma. GMS: abundant rounded yeasts with a narrow-based budding or cigar-shaped in in the capsule, cortical, medullary region and renal pelvis. |
Hepatitis, pyogranulomatous, necrotizing, multifocal and moderate to severe. Well-organized granulomas. GMS: abundant rounded yeasts with a narrow-based budding or cigar-shaped, amid the inflammatory infiltrate |
Pneumonia, pyogranulomatous, multifocal and moderate to severe. Abundant yeast-like structures amid the inflammatory infiltrate. GMS: abundant rounded yeasts with a narrow-based budding or cigar-shaped, amid the inflammatory infiltrate |
|
S. brasiliensis | ABSENT | ABSENT | ABSENT | ||
49 | S. schenckii sensu stricto | All animals had died by this point in the study, and histopathological analysis was not possible. | |||
S. brasiliensis | ABSENT | ABSENT | Tissue alterations were not detected by HE staining. GMS: rounded yeasts with a narrow-based budding or cigar-shaped, amid the inflammatory infiltrate |
||
CONTROL (of all species at different times) |
ABSENT | ABSENT | ABSENT |
ABSENT: Tissue alterations and yeasts of Sporothrix spp. were not detected by hematoxylin-eosin and Grocott’s methenamine silver (GMS) preparations.