Data - Dermatology (and nail signs) Flashcards
1
Q
Immunologically functioning cells of the skin?
A
Langerhans cells
- dendritic, antigen presenting cells.
2
Q
Thickening of nail plate with colour change?
A
Onychomycosis - fungal infection
3
Q
Nail separating from nail bed?
A
Onycholysis
4
Q
Transverse grooves in nail?
A
Beau’s lines
Due to arrest of nail growth, often after severe illness
5
Q
Splinter haemorrhages?
A
Sign of bacterial endocarditis
6
Q
Useful investigation for vitiligo or fungal infection?
A
Wood’s light (UV)
Shows up vitiligo
Fungal infection fluoresces
7
Q
Investigation for delayed-type contact allergy?
A
Patch testing
e.g. reaction to fragrances
reviewed 2 & 4 days later
8
Q
Investigation for immediate allergy?
A
Skin-prick testing
e.g. latex allergy
reviewed 15 minutes after test
