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Difference between revisions of "Melanocytic lesions"
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→Clark nevus: grading
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*[http://commons.wikimedia.org/wiki/File:Dysplastic_nevus_-_add_-_high_mag.jpg Dysplastic nevus - high mag. (WC)] - shows bridging and lamellar fibrosis. | *[http://commons.wikimedia.org/wiki/File:Dysplastic_nevus_-_add_-_high_mag.jpg Dysplastic nevus - high mag. (WC)] - shows bridging and lamellar fibrosis. | ||
*[http://commons.wikimedia.org/wiki/File:Dysplastic_nevus_-_add_-_very_high_mag.jpg Dysplastic nevus - very high mag. (WC)] - shows bridging and lamellar fibrosis. | *[http://commons.wikimedia.org/wiki/File:Dysplastic_nevus_-_add_-_very_high_mag.jpg Dysplastic nevus - very high mag. (WC)] - shows bridging and lamellar fibrosis. | ||
====Grading==== | |||
These lesions are usually graded:<ref name=Ref_Derm447-8>{{Ref Derm|447-8}}</ref> | |||
{| class="wikitable sortable" | |||
! Grade | |||
! Size | |||
! Other features | |||
|- | |||
| Mild | |||
| 1x keratinocyte | |||
| slight hyperchromasia | |||
|- | |||
| Moderate | |||
| 1-2x keratinocyte | |||
| (small) nucleoli, irregular nuclear contours | |||
|- | |||
| Severe | |||
| 2x keratinocyte | |||
| prominent nucleoli † | |||
|} | |||
† Prominent nucleoli (alone) is considered enough to call "severe".<ref name=Ref_Derm447-8>{{Ref Derm|447-8}}</ref> | |||
==Neurocristic hamartoma== | ==Neurocristic hamartoma== | ||