Infectious Disease: Lung: Pneumonic plague

01 July 2011
Presented by Sebastian Lucas

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Pneumonic consolidation due to infection with Yersinia pestis (Plague)

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An autopsy specimen, consisting of a section of lung showing an extensive area of pneumonic consolidation. Histology shows almost confluent pneumonic consolidation with fibrino-haemorrhage and in many areas purulent exudates in the alveolar spaces. Oedemafluid and leucocytes are present in the bronchial lumina. Small Gram negative bacilli are just discernible in a Gram stained section.

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