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Surgical Case Reports
Fig. 4 | Surgical Case Reports

Fig. 4

From: Sudden hemothorax as a rare initial manifestation of bronchiectasis under a direct oral anticoagulant

Fig. 4

A Histopathological findings showing that the primary bleeding site was within the focally dilated bronchiole (scale bar: 200 μm). The arrowheads indicate ciliated bronchial epithelial cells. B The dilated bronchiole wall is accompanied by neutrophil infiltration, suggesting a preceding infection (scale bar: 100 μm). C Elastica van Gieson staining revealed ruptured bronchial artery in the surrounding bronchiole wall (scale bar: 200 μm)

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