What Are Some Examples of Exogenous Substances Leading to Specific Histological Changes?
Different exogenous substances can lead to characteristic histological changes:
Asbestos: Inhalation can cause interstitial fibrosis and the formation of asbestos bodies in the lungs. Cigarette Smoke: Long-term exposure can lead to emphysema, characterized by the destruction of alveolar walls. Lead: Chronic exposure can cause basophilic stippling of erythrocytes. Bacteria: Infection with Helicobacter pylori can cause chronic gastritis and peptic ulcers.