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Difference between revisions of "Dermatopathology"
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→Non-malignant: +more
(→Non-malignant: +more) |
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====Common entities==== | ====Common entities==== | ||
=====Non-malignant===== | =====Non-malignant===== | ||
{| class="wikitable sortable" style="margin-left:auto;margin-right:auto" | {| class="wikitable sortable" style="margin-left:auto;margin-right:auto" | ||
! Entity | ! Entity | ||
| Line 128: | Line 130: | ||
| raised lesion | | raised lesion | ||
| none | | none | ||
| [[ | | [[seborrheic keratosis]] | ||
| very common | | very common | ||
| [http://dermatlas.med.jhmi.edu/derm/IndexDisplay.cfm?ImageID=1767547949 (dermatlas.med.jhmi.edu)] | | [http://dermatlas.med.jhmi.edu/derm/IndexDisplay.cfm?ImageID=1767547949 (dermatlas.med.jhmi.edu)] | ||
| Line 136: | Line 138: | ||
| var. of size may be seen, should prompt search for lipoblasts | | var. of size may be seen, should prompt search for lipoblasts | ||
| mobile subcutaneous mass | | mobile subcutaneous mass | ||
| S100 | | S100 (???) | ||
| [[liposarcoma]] | | [[liposarcoma]] | ||
| | | variants: angiolipoma (blood vessels), myolipoma (muscle) | ||
| [http://circ.ahajournals.org/content/113/21/e778/F5.expansion.html (ahajournals.org)] | | [http://circ.ahajournals.org/content/113/21/e778/F5.expansion.html (ahajournals.org)] | ||
|- | |- | ||
| [[Angiofibroma]] | |||
| fibrotic dermis, dilated capillaries | |||
| enlarged (stellate fibroblasts) | |||
| dome-shaped - face, boys nosebleeds ([[nasopharyngeal angiofibroma]]) | |||
| Stains/IHC | |||
| DDx | |||
| assoc. [[tuberous sclerosis]] | |||
| [http://www.drdittmar.lu/images/sce/angiofibroma-s.jpg Angiofibroma (drdittmar.lu)] | |||
|- | |||
| Keloid | |||
| thick collagen bundles - surrounded by paler staining fibroblasts | |||
| replaces adnexal structures | |||
| site of previous trauma, esp. in blacks | |||
| none | |||
| [[dermatofibroma]] (???) | |||
| Other | |||
| [http://missinglink.ucsf.edu/lm/DermatologyGlossary/keloids.html (ucsf.edu)]. | |||
|- <!-- | |||
| Entity | |||
| Key histologic features | |||
| Other features | |||
| Clinical | |||
| Stains/IHC | |||
| DDx | |||
| Other | |||
| Image --> | |||
|} | |} | ||