Nickolskys sign Flashcards
1
Q
What are the clinical signs of Nikolskys sign?
A
- Exfoliation of outermost layer by slight rubbing of skin
2
Q
What conditions is a positive Nikolsky sign present in?
A
- MMP
- PV
- PFoliaceus
- Stevens-Johnson sydrome
3
Q
How do you elicit Nikolskys sign?
A
- Apply lateral pressure with thumbs or fingertips on peri lesional skin
- Results in shearing force that dislodges upper layers of epidermis from lower epidermis
- Positive if upper epidermis separates from lower
- Helps distinguish pemphigus and bullous pemphigoid
4
Q
A
5
Q
What is Nikolskys sign?
A
- Dislodgement of intact superficial epidermis by shearing force
- Indicating plane of cleavage in skin at dermal -epidermal junction which induces a bulla