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Difference between revisions of "Dermatologic neoplasms"
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Dermatologic neoplasms (view source)
Revision as of 20:37, 15 September 2011
, 20:37, 15 September 2011→Cutaneous T-cell lymphoma
(→Cutaneous T-cell lymphoma: more stains) |
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**Single lymphocytes in epidermis; "lymphocyte exocytosis".<ref>URL: [http://www.mdconsult.com/das/book/body/199872830-2/0/1709/I4-u1.0-B978-0-443-06694-8..50117-2--f2.fig http://www.mdconsult.com/das/book/body/199872830-2/0/1709/I4-u1.0-B978-0-443-06694-8..50117-2--f2.fig]. Accessed on: 6 May 2010.</ref> | **Single lymphocytes in epidermis; "lymphocyte exocytosis".<ref>URL: [http://www.mdconsult.com/das/book/body/199872830-2/0/1709/I4-u1.0-B978-0-443-06694-8..50117-2--f2.fig http://www.mdconsult.com/das/book/body/199872830-2/0/1709/I4-u1.0-B978-0-443-06694-8..50117-2--f2.fig]. Accessed on: 6 May 2010.</ref> | ||
**Short linear arrays of lymphocytes along the basal layer of the epidermis; "epidermotropism".<ref name=Ref_Klatt385>{{Ref Klatt|385}}</ref> | **Short linear arrays of lymphocytes along the basal layer of the epidermis; "epidermotropism".<ref name=Ref_Klatt385>{{Ref Klatt|385}}</ref> | ||
DDx: | |||
*[[Lymphomatoid papulosis]]. | |||
Images: | Images: | ||
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*Ki-67 high. | *Ki-67 high. | ||
*CD56 -ve. | *CD56 -ve. | ||
==Lymphomatoid papulosis.== | |||
===General=== | |||
*Rare. | |||
*Benign behaviour. | |||
===Microscopic=== | |||
Features: | |||
*Dermal lymphocytosis. | |||
**No epidermal lymphocytes. | |||
*Focal nuclear atypia. | |||
DDx: | |||
*[[CTCL]]. | |||
==Merkel cell carcinoma== | ==Merkel cell carcinoma== | ||