https://www.selleckchem.com/pr....oducts/dihydroethidi
A 66-year-old man presented with a chief complaint of difficulty breathing and productive cough. CT scan of the chest revealed an endobronchial mass with associated "tree-in-bud" opacities. A bronchoscopic biopsy of the mass was performed due to clinical suspicion of malignancy. Microscopic examination revealed inflamed endobronchial mucosa, granulation tissue and abundant fragments of uncharacterized organic material, compatible with aspiration. Detailed history revealed a history of chewing "gutkha", a form of smokeless tobacc
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