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Difference between revisions of "Non-malignant skin disease"
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Non-malignant skin disease (view source)
Revision as of 05:14, 28 August 2011
, 05:14, 28 August 2011→Seborrheic keratosis
(re-arrange, subdivide) |
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*Benign. | *Benign. | ||
*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> | *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> | ||
*"Large number" of SKs = paraneoplastic syndrome (''Leser–Trélat sign'').<ref name=Ref_PCPBoD8_595>{{Ref PCPBoD8|595}}</ref> | |||
Epidemiology: | Epidemiology: | ||
| Line 138: | Line 139: | ||
===Microscopic=== | ===Microscopic=== | ||
Features: | Features:<ref name=Ref_PCPBoD8_595>{{Ref PCPBoD8|595}}</ref> | ||
* | *Raised above skin surface. | ||
* | *Border sharply demarcated. | ||
*Hyperkeratosis - stratum corneum extra thick. | |||
*Horn cysts - intraepidermal collections of keratin. | |||
*Clusters of cells with brown granular material in the superficial dermis/dermoepidermal junction - pigmented melanocytes. | *Clusters of cells with brown granular material in the superficial dermis/dermoepidermal junction - pigmented melanocytes. | ||