Junctional nevus
Author:
Mikael Häggström [note 1]
Suspected dysplastic nevus (also called dysplastic melanocytic nevus).
Evaluation
Swedish approach
Review of clinical information, mainly:[1]
- Growth
- Abnormal visual appearance
- Size >10mm
Microscopy
Classify into either of the following:
| Parameter | Low-grade dysplasia | High-grade dysplasia | Suspected melanoma in situ | |
|---|---|---|---|---|
| Mild | Moderate | Severe | ||
| Delimitation | Rarely diffuse | Sometimes diffuse | Often diffuse | Often diffuse |
| Lentiginous proliferation | Yes, along with rete pegs | Yes, along with and focally between rete pegs | Yes, along with and focally between rete pegs | Yes partially continuous, multilayered |
Notes
- ↑ For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Patholines:Authorship for details.
Main page
References
- ↑ Katarzyna Lundmark, Britta Krynitz, Ismini Vassilaki, Lena Mölne, Annika Ternesten Bratel. Histopatologisk bedömning och gradering av dysplastiskt nevus samt gränsdragning mot melanom in situ/melanom (Histopathological assessment and grading of dysplastic nevus and distinction from melanoma in situ/melanoma). KVAST (Swedish Society of Pathology). Retrieved on 2019-09-18.
Image sources