Difference between revisions of "Non-malignant skin disease"

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===General===
===General===
*Benign.
*Benign.
*Common.
*Most common tumour in older people.<ref name=emed_sk2>URL: [http://emedicine.medscape.com/article/1059477-overview#a0199 http://emedicine.medscape.com/article/1059477-overview#a0199]. Accessed on: 26 August 2011.</ref>


Epidemiology:
Epidemiology:
*Old people.
*Old people.
*Usu. in sun exposed area.<ref name=emed_sk1>URL: [http://emedicine.medscape.com/article/1059477-overview http://emedicine.medscape.com/article/1059477-overview]. Accessed on: 26 August 2011.</ref>


===Gross===
===Gross===
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===Microscopic===
===Microscopic===
Features:
Features:
*Normal appearing epidermis - raised above skin surface.
*Epidermis extra thick - raised above skin surface - hyper.
*"Horn cysts" - collections of keratin.
*Intraepidermal collections of keratin - "Horn cysts".
*Clusters of cells with brown granular material in the superficial dermis/dermoepidermal junction - pigmented melanocytes.  


Images:
Images:
48,466

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