Biopsy Techniques Flashcards
Name the biopsy techniques.
- curettage
- shave biopsy
- punch biopsy
- excision
When is curettage contra-indicated?
NEVER appropriate for melanocytic lesions
*for the most part, curretage is destructive and NOT diagnostic
when is curettage used then?
often used after a diagnosis is achieved
how does a wound created by curettage heal?
by secondary intention (closes by itself- NO sutures are used)
what is the most common biopsy technique for pigmented lesions and tumors?
shave biopsy
avoid partial biopsy due to variation within a single lesion.
true
when is a punch biopsy used?
for lesions with dermal and subcutaneous components
what biopsy technique would you use for dermatitides (dermatitis, vasculitis, bilsters, CT dz)?
punch biopsy
what biopsy technique would you use for dermatitides (dermatitis, vasculitis, bilsters, CT dz)?
punch biopsy
When evaluating a blister, would technique would you use to biopsy tissue?
lesional punch biopsy
When evaluating a blister, what technique would you use to visualize antibodies against patient’s perilesional skin?
direct immunofluorescence
