Table. Analysis of a Batai virus–infected harbor seal with meningoencephalomyelitis, Germany, 2016*.
Sample material | Histopathologic finding | Real-time PCR (cycle threshold)† | FISH |
---|---|---|---|
Brain |
Cerebrum, cerebellum, brain stem, medulla oblongata, and cervical spinal cord: mild to moderate, multifocal, and lymphohistiocytic meningoencephalomyelitis, perivascularly accentuated; parietal lobe: multiple glial nodules; thoracic spinal cord: mild to moderate and multifocal meningitis, perivascularly accentuated, lymphohistiocytic with few eosinophilic granulocytes; cauda equina: mild to moderate, multifocal, and lymphohistiocytic perineuritis |
+ (15) |
+ |
Lung |
Mild and multifocal anthracosis; acute, diffuse, and severe hyperemia; acute, diffuse, and moderate edema |
– (>35) |
– |
Spleen |
Moderate to severe and diffuse hyperemia |
– (35) |
– |
Kidney |
Mild, interstitial, and lymphohistiocytic nephritis with single, intratubular concrements |
– (>35) |
– |
Pulmonary lymph node |
Mild follicular hyperplasia |
NI |
+ |
Mesenteric lymph node |
Mild to moderate follicular hyperplasia and hemosiderosis |
NI |
– |
Liver |
Mild, multifocal, lymphohistiocytichepatitis, mild to moderate hepatocellular storage of iron |
– (>35) |
– |
Small intestine |
Mild, diffuse, lymphoplasmacytic, and partially eosinophilic enteritis |
+ (28) |
+ |
Large intestine |
NSML |
NI |
– |
Nose |
NSML |
NI |
– |
Heart |
NSML |
NI |
– |
Stomach | NSML | NI | – |
*FISH, fluorescent in situ hybridization; NI, not investigated; NSML, no major microscopic lesions; –, negative; +, positive. †Negative result >35; positive result <35.