Ultrasmall Dysplastic Nevi: Atypia can be Seen in Moles Less than 2 MM in Diameter
Identifieur interne : 008088 ( Main/Exploration ); précédent : 008087; suivant : 008089Ultrasmall Dysplastic Nevi: Atypia can be Seen in Moles Less than 2 MM in Diameter
Auteurs : Aldo González-Serva [États-Unis] ; Liliana Mu Oz-Garcia [États-Unis]Source :
- Journal of Cutaneous Pathology [ 0303-6987 ] ; 2005-01.
Abstract
The recognized breadth of dysplastic nevi has quickly shrunk. We now present very small dysplastic nevi below any described breadth. A cluster of mostly punched‐out nevi derived from a single clinician who recognizes as ‘atypical’ even very small lesions was also assigned histologic dysplasia on architectural and cytologic basis. From 536 junctional nevi with dysplasia ranging from mild to moderate, 136 (25.3%) were 1 mm. in vitro or less while 371 (69.2%) were 1.1–2 mm. Among 155 compound nevi with the same range of dysplasia, 19 (12.2%) were 1 mm or less and 95 (61.2%) were 1.1–2 mm. Moderate or, less so, severe atypia was even seen in more than half of either 18 junctional and 18 compound nevi of dysplastic type between 2.1 and 3 mm. While the above threshold for dysplasia may not be similar to the one than many dermatopathologists could use, it is still evident that sliding down our higher‐grade nevi to meet milder degrees of perceived atypia in a more conservative diagnostic scale, the breadth of these nevi still remains minuscule in general. In sum, we adhere to the idea that dysplastic nevi are not only common but can be extremely small: “bonsai nevi.”
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DOI: 10.1111/j.0303-6987.2005.320ch.x
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We now present very small dysplastic nevi below any described breadth. A cluster of mostly punched‐out nevi derived from a single clinician who recognizes as ‘atypical’ even very small lesions was also assigned histologic dysplasia on architectural and cytologic basis. From 536 junctional nevi with dysplasia ranging from mild to moderate, 136 (25.3%) were 1 mm. in vitro or less while 371 (69.2%) were 1.1–2 mm. Among 155 compound nevi with the same range of dysplasia, 19 (12.2%) were 1 mm or less and 95 (61.2%) were 1.1–2 mm. Moderate or, less so, severe atypia was even seen in more than half of either 18 junctional and 18 compound nevi of dysplastic type between 2.1 and 3 mm. While the above threshold for dysplasia may not be similar to the one than many dermatopathologists could use, it is still evident that sliding down our higher‐grade nevi to meet milder degrees of perceived atypia in a more conservative diagnostic scale, the breadth of these nevi still remains minuscule in general. In sum, we adhere to the idea that dysplastic nevi are not only common but can be extremely small: “bonsai nevi.”</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Massachusetts</li></region></list><tree><country name="États-Unis"><region name="Massachusetts"><name sortKey="Gonzalez Erva, Aldo" sort="Gonzalez Erva, Aldo" uniqKey="Gonzalez Erva A" first="Aldo" last="González-Serva">Aldo González-Serva</name></region><name sortKey="Mu Oz Arcia, Liliana" sort="Mu Oz Arcia, Liliana" uniqKey="Mu Oz Arcia L" first="Liliana" last="Mu Oz-Garcia">Liliana Mu Oz-Garcia</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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