| Method |
Comments |
|
| Histopathology(Hematoxylin and eosin staining)(Warthin-Starry staining) |
Check for:lobular, vascular proliferationneutrophils and debrisbasophilic granular materialprotuberant endothelial cellsdarkly staining bacilli |
| Blood culture |
lysis-centrifugation tubes, onto fresh chocolate and rabbit-blood agarsincubate in 5% CO2 at 35°C for 21 daysaccessible to many labs |
| Culture of tissue biopsy |
experimental cocultivation of endothelial cells with homogenate |
| Serology |
Centers for Disease Control indirect immunofluorescence antibody (IFA) test |