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'''Critical values''' is a concept which comes to anatomical pathology from clinical pathology.<ref name=pmid17491125>{{cite journal |author=Allen TC |title=Critical values in anatomic pathology? |journal=Arch. Pathol. Lab. Med. |volume=131 |issue=5 |pages=684–7 |year=2007 |month=May |pmid=17491125 |doi= |url=http://arpa.allenpress.com/arpaonline/?request=get-document&issn=0003-9985&volume=131&issue=5&page=684}}</ref>  In the context of surgical pathology, it is, perhaps more appropriately, called '''critical diagnosis'''.

==List==
===General===
*Large vessel in core biopsy specimen.
*Unexpected malignant diagnosis.
*Malignant diagnosis in the context of a medical emergency:
**Neoplasm causing paralysis.
**Malignancy causing superior vena cava syndrome. 

===Cytology===
Article looking at critical values in cytology: [http://www3.interscience.wiley.com/journal/112606899 http://www3.interscience.wiley.com/journal/112606899].

===Gynecologic===
*No chorionic villi or trophoblasts on D&C in someone pregnant.
*Fat on endometrial biopsy.
*Fat on endocervical canal sampling.

===Diagnostic of infection===
*Fungal.
*Microbacterial.
*Bacterial.
*Viral.

===Suggestive of infection===
*Necrotic [[granulomas]].

===Cardiac===
*Mesothelial cells in heart muscle biopsy.

===Transplant related===
*Transplant rejection.

===Medical diseases===
*Vasculitis.

===Renal===
*Crescents in kidney biopsy.

==See also==
*[[Basics]].

==References==
{{reflist|1}}

==External links==
*[http://ajcp.ascpjournals.org/content/122/2/201.full.pdf AJCP article with partial list].

[[Category:Quality]]