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Difference between revisions of "Melanocytic lesions"
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Melanocytic lesions (view source)
Revision as of 19:53, 15 September 2012
, 19:53, 15 September 2012→Sclerosing melanocytic nevus
(→Recurrent melanocytic nevus: +sclerosing nevus) |
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===Microscopic=== | ===Microscopic=== | ||
Features:<ref name=pmid18537860 >{{Cite journal | last1 = Fabrizi | first1 = G. | last2 = Pennacchia | first2 = I. | last3 = Pagliarello | first3 = C. | last4 = Massi | first4 = G. | title = Sclerosing nevus with pseudomelanomatous features. | journal = J Cutan Pathol | volume = 35 | issue = 11 | pages = 995-1002 | month = Nov | year = 2008 | doi = 10.1111/j.1600-0560.2007.00941.x | PMID = 18537860 }}</ref> | Features:<ref name=pmid18537860 >{{Cite journal | last1 = Fabrizi | first1 = G. | last2 = Pennacchia | first2 = I. | last3 = Pagliarello | first3 = C. | last4 = Massi | first4 = G. | title = Sclerosing nevus with pseudomelanomatous features. | journal = J Cutan Pathol | volume = 35 | issue = 11 | pages = 995-1002 | month = Nov | year = 2008 | doi = 10.1111/j.1600-0560.2007.00941.x | PMID = 18537860 }}</ref> | ||
*Trizonal: | *Trizonal - may be described as a ''sandwich'': | ||
*# Junctional or compound nevus. | *# [[Junctional melanocytic nevus|Junctional]] ''or'' [[compound nevus]]. | ||
*# Fibrotic tissue with irregular melanocytic nests. | *# Fibrotic tissue with irregular melanocytic nests. | ||
*# Nevus below scar. | *# Nevus below scar. | ||
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DDx: | DDx: | ||
*[[Malignant melanoma]]. | *[[Malignant melanoma]]. | ||
*[[Recurrent melanocytic nevus]] - also trizonal; however, has a fibrotic layer that does ''not'' have melanocytes in it. | *[[Recurrent melanocytic nevus]] - also trizonal; however, has a fibrotic layer that does ''not'' have melanocytes in it.<ref name=pmid18537860 /> | ||
==Pigmented spindle cell nevus== | ==Pigmented spindle cell nevus== | ||