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Difference between revisions of "Auspitz sign"
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== What is the cause of Auspitz sign [pinpoint bleeding]? == | |||
Pinpoint bleeding - bleeding that is found with removal of psoriatic plaques is due to: | |||
* Thinning of the epidermal layer overlying the tips of the dermal papillae. | |||
* Blood vessels within the papillae are dilated and tortuous. | |||
[[Category:Dermatology]] | [[Category:Dermatology]] | ||
Revision as of 20:02, 5 March 2022
What is Auspitz sign?
Auspitz sign is seen in psoriasis which is described as small or pinpoint bleeding points on removal of psoriatic plaques.
What is Grattage test?
Grattage test - Test by which Auspitz sign is elicited is called as Grattage test.
What are the conditions in which Auspitz sign is seen?
| Auspitz sign positive | ||
|---|---|---|
| 1 | Psoriasis | |
| 2 | Darier’s disease | |
| 3 | Actinic keratosis |
What is the cause of Auspitz sign [pinpoint bleeding]?
Pinpoint bleeding - bleeding that is found with removal of psoriatic plaques is due to:
- Thinning of the epidermal layer overlying the tips of the dermal papillae.
- Blood vessels within the papillae are dilated and tortuous.