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It is touched upon the in the ''[[quality]]'' article in the ''[[Quality#Immunohistochemistry|immunohistochemistry]]'' section. | It is touched upon the in the ''[[quality]]'' article in the ''[[Quality#Immunohistochemistry|immunohistochemistry]]'' section. | ||
Generally, interpretations are subjective, and this is especially true when the staining is weak and focal. In other words, "... your weak [positive] stain might be somebody else’s negative."<ref>URL: [http://bitesizebio.com/articles/immunohistochemistry-getting-the-stain-you-want/ http://bitesizebio.com/articles/immunohistochemistry-getting-the-stain-you-want/]. Accessed on: 1 September 2012.</ref> | |||
The cynical might say it is unwritten rule that: ''... if it is weak and focal... it can be anything you want to make it (positive or negative) -- so it fits perfectly with your diagnosis!'' | |||
==General (malignant) differential diagnosis== | ==General (malignant) differential diagnosis== |
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