Difference between revisions of "Melanocytic lesions"

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550 bytes added ,  12:58, 9 January 2013
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====Grading====
====Grading====
These lesions are usually graded:<ref name=Ref_Derm447-8>{{Ref Derm|447-8}}</ref>
These lesions are often graded § :<ref name=Ref_Derm447-8>{{Ref Derm|447-8}}</ref>
{| class="wikitable sortable"  
{| class="wikitable sortable"  
! Grade  
! Grade  
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† The sizes "very small", "small" and "prominent" are not defined; it is suggested that "very small" is visible with the 40x objective, "small" with the 20x objective and "prominent" with the 10x objective.  Focal, rare small nucleoli are not significant; they can be seen in benign melanocytic nevi.<br>
† The sizes "very small", "small" and "prominent" are not defined; it is suggested that "very small" is visible with the 40x objective, "small" with the 20x objective and "prominent" with the 10x objective.  Focal, rare small nucleoli are not significant; they can be seen in benign melanocytic nevi.<br>
‡ Prominent nucleoli (alone) is considered enough to call "severe".<ref name=Ref_Derm447-8>{{Ref Derm|447-8}}</ref>
‡ Prominent nucleoli (alone) is considered enough to call "severe".<ref name=Ref_Derm447-8>{{Ref Derm|447-8}}</ref>
Notes:
*§ There is no consensus on this and practise (embarrassingly) is all over the map.<ref name=pmid22703907>{{Cite journal  | last1 = Elston | first1 = D. | title = Practical advice regarding problematic pigmented lesions. | journal = J Am Acad Dermatol | volume = 67 | issue = 1 | pages = 148-55 | month = Jul | year = 2012 | doi = 10.1016/j.jaad.2012.04.006 | PMID = 22703907 }}</ref>
**A two-tier grading system also exists (''low-grade'' (leave it alone) / ''high-grade'' (cut it out)).
**Some pathologists do not grade dysplastic nevi.


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