Asboe-Hansen sign
Asboe-Hansen sign (pronounced as: As-boe Han-sen sign) is a medical term used in dermatology. It is a clinical sign that indicates the spread of a blister to the uninvolved skin when pressure is applied to the top of the blister. This sign is often seen in patients with certain skin conditions such as Pemphigus and Bullous Pemphigoid.
Etymology
The term is named after the Danish dermatologist, Gunnar Asboe-Hansen, who first described this sign in 1960.
Clinical Significance
The Asboe-Hansen sign is a diagnostic tool used by dermatologists to identify certain skin conditions. It is particularly useful in diagnosing Bullous diseases of the skin. The presence of this sign indicates that the skin's basement membrane, which normally helps to anchor the skin cells, has been damaged. This allows the fluid from the blister to spread under the skin, causing the blister to enlarge.
Related Terms
- Nikolsky's sign: Another clinical sign used in dermatology, similar to the Asboe-Hansen sign. It involves the extension of a blister to the uninvolved skin when lateral pressure is applied.
- Bulla (dermatology): A large blister containing serous fluid, typically seen in bullous diseases of the skin.
- Pemphigus: A group of rare autoimmune skin disorders characterized by the formation of blisters in the skin and mucous membranes.
- Bullous Pemphigoid: A skin disease that causes large, tight blisters to form on the skin.
See Also
External links
- Medical encyclopedia article on Asboe-Hansen sign
- Wikipedia's article - Asboe-Hansen sign
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