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Difference between revisions of "Dermatologic neoplasms"
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→Dermal cylindroma: +image & ref
(→Trichoblastoma: +trichofolliculoma) |
(→Dermal cylindroma: +image & ref) |
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*Benign skin lesion. | *Benign skin lesion. | ||
*Should not be confused with ''cylindroma'' ([[adenoid cystic carcinoma]]). | *Should not be confused with ''cylindroma'' ([[adenoid cystic carcinoma]]). | ||
*May be related to ''[[ | *May be related to ''[[eccrine spiradenoma]]''.<ref name=pmid6302142>{{Cite journal | last1 = Gerber | first1 = JE. | last2 = Descalzi | first2 = ME. | title = Eccrine spiradenoma and dermal cylindroma. | journal = J Cutan Pathol | volume = 10 | issue = 1 | pages = 73-8 | month = Feb | year = 1983 | doi = | PMID = 6302142 }}</ref><ref name=pmid8936072>{{Cite journal | last1 = Lee | first1 = MW. | last2 = Kelly | first2 = JW. | title = Dermal cylindroma and eccrine spiradenoma. | journal = Australas J Dermatol | volume = 37 | issue = 1 | pages = 48-9 | month = Feb | year = 1996 | doi = | PMID = 8936072 }}</ref> | ||
===Microscopic=== | ===Microscopic=== | ||
Features: | Features: | ||
*Nests that fit together like a jigsaw puzzle. | *Nests of basilar cells that fit together like a jigsaw puzzle. | ||
**The borders of the nests are opposed and undulate. | **The borders of the nests are opposed and undulate. | ||
*Cells nests surrounded by hyaline (i.e. glassy, eosinophilic, acellular) material. | *Cells nests surrounded by a band of hyaline (i.e. glassy, eosinophilic, acellular) material ~ 2X thickness of a basilar cell - '''key feature'''. | ||
DDx: | DDx: | ||
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Images: | Images: | ||
*[http://commons.wikimedia.org/wiki/File:Dermal_cylindroma_intermed_mag.jpg Dermal cylindroma (WC)]. | *[[WC]]: | ||
*[http://commons.wikimedia.org/wiki/File:Dermal_cylindroma_intermed_mag_deep.jpg Dermal cylindroma - high mag. (WC)]. | **[http://commons.wikimedia.org/wiki/File:Dermal_cylindroma_intermed_mag.jpg Dermal cylindroma (WC)]. | ||
**[http://commons.wikimedia.org/wiki/File:Dermal_cylindroma_intermed_mag_deep.jpg Dermal cylindroma - high mag. (WC)]. | |||
*www: | |||
**[http://jcp.bmj.com/content/60/2/145/F7.large.jpg Dermal cylindroma (bmj.com)].<ref name=pmid16882695>{{Cite journal | last1 = Obaidat | first1 = NA. | last2 = Alsaad | first2 = KO. | last3 = Ghazarian | first3 = D. | title = Skin adnexal neoplasms--part 2: an approach to tumours of cutaneous sweat glands. | journal = J Clin Pathol | volume = 60 | issue = 2 | pages = 145-59 | month = Feb | year = 2007 | doi = 10.1136/jcp.2006.041608 | PMID = 16882695 | PMC = 1860616 | URL = http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1860616/?tool=pubmed }} | |||
</ref> | |||
==Keratoacanthoma== | ==Keratoacanthoma== | ||