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11. Anthracosis of lymph node: Difference between revisions
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'''Organ''': Lymph node | '''Organ''': Lymph node | ||
'''Description''': | '''Description''': Secondary lymphoid follicles can be seen, indicating that this is a lymph node. Blackish pigment can be seen in parts of the slide. | ||
Secondary lymphoid follicles can be seen, indicating that this is a lymph node. Blackish pigment can be seen in parts of the slide. | |||
'''Diagnosis''': Anthracosis of lymph node | '''Diagnosis''': Anthracosis of lymph node | ||
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* Coal worker’s pneumoconiosis | * Coal worker’s pneumoconiosis | ||
'''Theory''': | '''Theory''': Anthracosis is an asymptomatic disease that can be seen in to some extent in anyone who lives in urban surroundings, due to air pollution. It manifests as blackish lymph nodes and blackish dots on the pleural surface of the lung parenchyme. It’s caused by dust, an exogenous pigment. | ||
Anthracosis is an asymptomatic disease that can be seen in to some extent in anyone who lives in urban surroundings, due to air pollution. It manifests as blackish lymph nodes and blackish dots on the pleural surface of the lung parenchyme. It’s caused by dust, an exogenous pigment. | |||
Another disease called silicosis is related to this topic. It is caused by inhalation of dust composed of silica, a very fine dust that coughing cannot get rid of when it gets into the alveoli. Macrophages enter the picture and cause inflammation that ends in fibrosis. | Another disease called silicosis is related to this topic. It is caused by inhalation of dust composed of silica, a very fine dust that coughing cannot get rid of when it gets into the alveoli. Macrophages enter the picture and cause inflammation that ends in fibrosis. | ||