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Fibroepithelial polyp (view source)
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'''Fibroepithelial polyp''', also known as '''acrochordon''' and '''skin tag''', is a very common benign skin lesion. | '''Fibroepithelial polyp''', also known as '''acrochordon''' and '''skin tag''', is a very common benign skin lesion. | ||
The lesion in the mouth is dealt with in the article ''[[oral fibroma]]''. | |||
==General== | ==General== | ||
*Benign. | *Benign. | ||
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*May be associated with pregnancy, [[diabetes]], [[intestinal polyposis]].<ref name=Ref_PCPBoD8|596>{{Ref PCPBoD8|596}}</ref> | *May be associated with pregnancy, [[diabetes]], [[intestinal polyposis]].<ref name=Ref_PCPBoD8|596>{{Ref PCPBoD8|596}}</ref> | ||
*Can be a component of ''[[Birt–Hogg–Dubé syndrome]]''. | *Can be a component of ''[[Birt–Hogg–Dubé syndrome]]''. | ||
May be divided into: | |||
*Epithelial type - abundant epithelium. | |||
*Stromal type - abundant fibrous stroma. | |||
==Gross== | ==Gross== | ||
*Raised skin-coloured lesion. | *Raised skin-coloured lesion. | ||
DDx - clinical: | |||
* | *Skin tag-like nevus. | ||
===Image=== | |||
<gallery> | |||
Image:Skintagblemish.jpg | Skin tag. (WC) | |||
</gallery> | |||
==Microscopic== | ==Microscopic== | ||
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*[[Nevus lipomatosus superficialis]] - abundant adipocytes in the superficial dermis. | *[[Nevus lipomatosus superficialis]] - abundant adipocytes in the superficial dermis. | ||
*[[Neurofibroma]]. | *[[Neurofibroma]]. | ||
*[[Seborrheic keratosis]] - usu. horn cysts. | |||
===Images=== | ===Images=== | ||
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*[http://www.surgicalpathologyatlas.com/glfusion/mediagallery/media.php?f=0&sort=0&s=20080802171929218 Fibroepithelial polyp (surgicalpathologyatlas.com)]. | *[http://www.surgicalpathologyatlas.com/glfusion/mediagallery/media.php?f=0&sort=0&s=20080802171929218 Fibroepithelial polyp (surgicalpathologyatlas.com)]. | ||
*[http://dermatology-s10.cdlib.org/143/case_presentations/skintags/3.jpg Inflamed fibroepithelial polyp (cdlib.org)].<ref>URL: [http://dermatology-s10.cdlib.org/143/case_presentations/skintags/allegue.html http://dermatology-s10.cdlib.org/143/case_presentations/skintags/allegue.html]. Accessed on: 9 January 2013.</ref> | *[http://dermatology-s10.cdlib.org/143/case_presentations/skintags/3.jpg Inflamed fibroepithelial polyp (cdlib.org)].<ref>URL: [http://dermatology-s10.cdlib.org/143/case_presentations/skintags/allegue.html http://dermatology-s10.cdlib.org/143/case_presentations/skintags/allegue.html]. Accessed on: 9 January 2013.</ref> | ||
==Sign out== | ==Sign out== | ||
<pre> | <pre> | ||
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There is mild basal nuclear enlargement. No significant nuclear atypia is apparent. The | There is mild basal nuclear enlargement. No significant nuclear atypia is apparent. The | ||
dermal-epidermal interface is well-demarcated. Rare basal mitotic activity is identified. | dermal-epidermal interface is well-demarcated. Rare basal mitotic activity is identified. | ||
====Epithelial-type==== | |||
The sections show skin with epithelium on three sides, acanthosis and hyperkeratosis. No pseudohorn cysts are identified. A granular layer is present. Mild basal | |||
nuclear atypia is present. Mitotic activity is present but basal. Minimal parakeratosis is | |||
present. No melanocytic nests are identified. No solar elastosis is apparent in the limited | |||
dermis. No koilocytes are apparent. | |||
==See also== | ==See also== | ||
*[[Non-malignant skin disease]]. | *[[Non-malignant skin disease]]. | ||
*[[Eyelid]]. | |||
==References== | ==References== | ||