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Image Description: In anthracosis, carbon from inhaled coal dust accumulates in macrophages of the lymph nodes and lung alveoli. The architecture of this node is irregular, but cortical and medullary areas can be observed. Carbon-laden macrophages abound in both areas. The sub-capsular sinus, the white space lying under the connective tissue capsule, can be seen on the left. |
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| Structures | Structure Descriptions |
| cortical areas | In this irregularly shaped lymph node, boundaries of the cortex are not very distinct. |
| medullary area | This is generally the less dense region of the node, devoid of follicles. |
| carbon deposits in macrophges | The deposits are black, and at higher power, are seen to lie in macrophages as well as free in the medulla. |
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Anthracotic Lymph Node Iron, Heart Failure (high) |
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