Difference between revisions of "Melanocytic lesions"

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224 bytes added ,  01:59, 25 August 2012
(→‎Clark nevus: nucleoli -- size)
(→‎Grading: more)
Line 323: Line 323:
| Mild
| Mild
| 1x keratinocyte nucleus
| 1x keratinocyte nucleus
| no nucleoli/very small nucleoli,<ref name=pmid12920220>{{Cite journal  | last1 = Arumi-Uria | first1 = M. | last2 = McNutt | first2 = NS. | last3 = Finnerty | first3 = B. | title = Grading of atypia in nevi: correlation with melanoma risk. | journal = Mod Pathol | volume = 16 | issue = 8 | pages = 764-71 | month = Aug | year = 2003 | doi = 10.1097/01.MP.0000082394.91761.E5 | PMID = 12920220 | URL = http://www.nature.com/modpathol/journal/v16/n8/full/3880837a.html }}</ref> slight hyperchromasia
| no nucleoli/very small nucleoli ,<ref name=pmid12920220>{{Cite journal  | last1 = Arumi-Uria | first1 = M. | last2 = McNutt | first2 = NS. | last3 = Finnerty | first3 = B. | title = Grading of atypia in nevi: correlation with melanoma risk. | journal = Mod Pathol | volume = 16 | issue = 8 | pages = 764-71 | month = Aug | year = 2003 | doi = 10.1097/01.MP.0000082394.91761.E5 | PMID = 12920220 | URL = http://www.nature.com/modpathol/journal/v16/n8/full/3880837a.html }}</ref> slight hyperchromasia
|-
|-
| Moderate
| Moderate
| 1-2x keratinocyte nucleus
| 1-2x keratinocyte nucleus
| small nucleoli, irregular nuclear contours
| small nucleoli , irregular nuclear contours
|-
|-
| Severe
| Severe
| >2x keratinocyte nucleus
| >2x keratinocyte nucleus
| prominent nucleoli
| prominent nucleoli †‡
|}
|}
† Prominent nucleoli (alone) is considered enough to call "severe".<ref name=Ref_Derm447-8>{{Ref Derm|447-8}}</ref>
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.<br>
Prominent nucleoli (alone) is considered enough to call "severe".<ref name=Ref_Derm447-8>{{Ref Derm|447-8}}</ref>


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