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Difference between revisions of "Atypical lentiginous nevus"
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Atypical lentiginous nevus (view source)
Revision as of 03:29, 11 September 2013
, 03:29, 11 September 2013→External links: twdak
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| Caption = | | Caption = | ||
| Micro = elongated rete ridges (key feature) | | Micro = elongated rete ridges (key feature), diffuse (non-lamellar) superficial dermal fibrosis, mild-to-moderated cytologic atypia | ||
| Subtypes = | | Subtypes = | ||
| LMDDx = [[dysplastic nevus]], [[melanoma in situ]] | | LMDDx = [[dysplastic nevus]], [[melanoma in situ]] | ||
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==Microscopic== | ==Microscopic== | ||
Features:<ref name=pmid22421501>{{Cite journal | last1 = Agustí-Mejias | first1 = A. | last2 = Messeguer Badia | first2 = F. | last3 = García Ruiz | first3 = R. | last4 = Oliver Martínez | first4 = V. | last5 = Alegre de Miquel | first5 = V. | title = [Atypical lentiginous nevus: a clinical and histopathologic study of 14 cases]. | journal = Actas Dermosifiliogr | volume = 103 | issue = 5 | pages = 394-400 | month = Jun | year = 2012 | doi = 10.1016/j.ad.2011.10.006 | PMID = 22421501 }}</ref> | Features:<ref name=pmid22421501>{{Cite journal | last1 = Agustí-Mejias | first1 = A. | last2 = Messeguer Badia | first2 = F. | last3 = García Ruiz | first3 = R. | last4 = Oliver Martínez | first4 = V. | last5 = Alegre de Miquel | first5 = V. | title = [Atypical lentiginous nevus: a clinical and histopathologic study of 14 cases]. | journal = Actas Dermosifiliogr | volume = 103 | issue = 5 | pages = 394-400 | month = Jun | year = 2012 | doi = 10.1016/j.ad.2011.10.006 | PMID = 22421501 | URL = http://www.actasdermo.org/en/atypical-lentiginous-nevus-a-clinical/articulo/90149637/?pubmed=true }}</ref> | ||
*Elongated rete ridges - '''key feature'''. | *Elongated rete ridges - '''key feature'''. | ||
*Superficial dermal fibrosis, diffuse (non-lamellar) - '''important'''. | *Superficial dermal fibrosis, diffuse (non-lamellar) - '''important'''. | ||
*Mild-to-moderate cytologic atypia. | *Mild-to-moderate cytologic atypia, focal. | ||
Notes:<ref name=pmid22421501/> | |||
*Rarely dermal nests. | |||
*Mild-to-moderate inflammation. | |||
*Mitoses - never. | |||
*[[Solar elastosis]] - mild-to-moderate. | |||
DDx:<ref name=pmid22421501/> | DDx:<ref name=pmid22421501/> | ||
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*[[Dysplastic nevus]] - lamellar fibrosis. | *[[Dysplastic nevus]] - lamellar fibrosis. | ||
*[[Lentigo simplex]]. | *[[Lentigo simplex]]. | ||
*[[Lentigo maligna]]. | *[[Lentigo maligna]] - more atypia, upward migration of melanocytes, occasional mitoses. | ||
*[[Solar lentigo]]. | *[[Solar lentigo]] - [[solar elastosis]]. | ||
*[[Lentiginous nevus]]. | *[[Lentiginous nevus]]. | ||
===Images=== | |||
*[http://www.actasdermo.org/imatges/403/403v103n05/grande/403v103n05-90149637fig2.jpg ALN (actasdermo.org)].<ref name=pmid22421501/> | |||
==Sign out== | ==Sign out== | ||
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- ATYPICAL LENTIGINOUS NEVUS OF THE ELDERY. | - ATYPICAL LENTIGINOUS NEVUS OF THE ELDERY. | ||
-- COMPLETELY EXCISED, (CLEARANCE 2 MM). | -- COMPLETELY EXCISED, (CLEARANCE 2 MM). | ||
</pre> | |||
<pre> | |||
SKIN LESION, CENTRAL BACK, SHAVE EXCISION: | |||
- ATYPICAL LENTIGINOUS NEVUS. | |||
-- COMPLETELY EXCISED, (CLEARANCE 2 MM). | |||
-- MILD CYTOLOGIC ATYPIA. | |||
</pre> | </pre> | ||
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==References== | ==References== | ||
{{Reflist|2}} | {{Reflist|2}} | ||
==External links== | |||
*[http://www.dermpedia.org/dermpedia-textbook/compound-nevus-with-atypia Compound nevus with atypia (dermpedia.org)]. | |||
[[Category:Diagnosis]] | [[Category:Diagnosis]] | ||
[[Category:Dermatopathology]] | [[Category:Dermatopathology]] | ||