Erler-Zimmer GmbH & Co. KG 3D model of lobar pneumonia:
- Model Number: MP2061
- Clinical history:
There is no clinical history for this preparation. - Pathology:
The preparation is a parasagittal cross-section of the right lung and the upper and lower borders of the ventricles are clearly visible. The entire upper ventricle is congested and grayish. - Additional information:
This is one of the stages of lobar pneumonia, in which inflammatory exudate in the alveolar space causes consolidation affecting a large and consistent area of the lung ventricle. In this case, the affected ventricle shows gray hepatization or late consolidation. This usually occurs 2-3 days after red hepatization and lasts from 4 to 8 days. The lungs appear gray, with a liver-like hardness, due to fibrinopurulent exudate, progressive disintegration of red blood cells and hemosiderin. Large groups of macrophages begin to appear in the interstitial part. They are the dominant cells that attempt to clear cellular debris and acute inflammation through phagocytosis. Macrophages may contain iron stains due to the consumption of erythrocytes, which is why they are called siderophages. After gray hepatization, restoration of lung architecture begins from the eighth day. Enzymatic action begins on the central and wedge surfaces, liquefying the previously solid fibrin content and eventually restoring ventilation.
3D models of lobar pneumonia – Erler-Zimmer Anatomy Group
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