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Difference between revisions of "Basics"
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*A collection of PMNs... think about ''necrosis'' and ''abscess''. | *A collection of PMNs... think about ''necrosis'' and ''abscess''. | ||
===Lymph node | ===Lymph node metastasis=== | ||
{{Main|Lymph node metastasis}} | {{Main|Lymph node metastasis}} | ||
*Take a good to look at the tumour first. | *Take a good to look at the tumour first. | ||
*Tumour in a node is often better differentiated than the most poorly differentiated part in the primary site. | *Tumour in a node is often better differentiated than the most poorly differentiated part in the primary site. | ||
*Subcapsular space - the first place to look for mets. | *Subcapsular space - the first place to look for mets. | ||
*Lymph node | *Lymph node metastasis are usually obvious. | ||
**There are of course exceptions, e.g. [[small cell carcinoma]], [[invasive lobular carcinoma]]. | **There are of course exceptions, e.g. [[small cell carcinoma]], [[invasive lobular carcinoma]]. | ||
*Histiocytes may be difficult to separate from tumour - especially for the novice. | *Histiocytes may be difficult to separate from tumour - especially for the novice. | ||