Difference between revisions of "Dermatologic neoplasms"

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Dermatologic neoplasms (view source)

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→‎Trichilemmoma
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==Trichilemmoma==
==Trichilemmoma==
*May be spelled ''tricholemmoma''.
*May be spelled ''tricholemmoma''.
===General===
{{Main|Trichilemmoma}}
*Benign neoplasm with features of the pilosebaceous follicular epithelium.<ref>URL: [http://emedicine.medscape.com/article/1059940-overview http://emedicine.medscape.com/article/1059940-overview]. Accessed on: 2 September 2011.</ref>
*Associated with ''nevus sebaceous''.<ref name=pmid16503928>{{Cite journal  | last1 = Baykal | first1 = C. | last2 = Buyukbabani | first2 = N. | last3 = Yazganoglu | first3 = KD. | last4 = Saglik | first4 = E. | title = [Tumors associated with nevus sebaceous]. | journal = J Dtsch Dermatol Ges | volume = 4 | issue = 1 | pages = 28-31 | month = Jan | year = 2006 | doi = 10.1111/j.1610-0387.2006.05855.x | PMID = 16503928 }}</ref>
*Muliple trichilemmomas associated with [[Cowden syndrome]].<ref name=Ref_Derm386>{{Ref Derm|386}}</ref>
 
===Microscopic===
Features:<ref name=Ref_Derm386>{{Ref Derm|386}}</ref>
*Superficial dermal lesion contiguous with the epidermis:
**Core of lesion:
***Cuboidal cells with round nuclei, eosinophilic-clear cytoplasm.
**Periphery of lesion:
***Surrounded by hyaline band.
***Peripheral palisading.
 
DDx:
*[[Trichilemmal carcinoma]].
*[[Basal cell carcinoma]].
*[[Inverted follicular keratosis]].
 
Images:
*[http://ccr.cancer.gov/staff/images/9033_12822_Lee_1520.jpg Trichilemmoma - low mag. (cancer.gov)].<ref name=lee>URL: [http://ccr.cancer.gov/staff/gallery.asp?profileid=12822 http://ccr.cancer.gov/staff/gallery.asp?profileid=12822]. Accessed on: 2 September 2011.</ref>
*[http://ccr.cancer.gov/staff/images/9033_12822_Lee_1521.jpg Trichilemmoma - high mag. (cancer.gov)].<ref name=lee/>
*[http://dermimages.med.jhmi.edu/images/trichilemmoma_1_060109.jpg Trichilemmoma (jhmi.edu)].<ref>URL: [http://dermatlas.med.jhmi.edu/derm/indexDisplay.cfm?ImageID=667496720 http://dermatlas.med.jhmi.edu/derm/indexDisplay.cfm?ImageID=667496720]. Accessed on: 2 September 2011.</ref>
*[http://www.flickr.com/photos/40981620@N04/3812019838/in/pool-1185084@N23/ Trichilemmoma - low mag. (flickr.com/Irlam)].
*[http://www.flickr.com/photos/40981620@N04/3812019930/in/pool-1185084@N23/ Trichilemmoma - intermed. mag. (flickr.com/Irlam)].
*[http://www.flickr.com/photos/40981620@N04/3811204517/in/pool-1185084@N23/ Trichilemmoma - high mag. (flickr.com/Irlam)].


==Eccrine poroma==
==Eccrine poroma==
Michael
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