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5 Cards in this Set

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Useful for lesions with characteristic features in the epidermis and superficial dermis: verruca, basal cell carcinoma
: for squamous cell carcinoma, but sometimes the biopsy may be too superficial to adequately assess invasion
Not recommended for: melanoma (may also be inadequate for acral (palms & soles) lesions)
What is Shave biopsy?
Larger scalpel biopsy to include substantial subcutaneous tissue
Useful for evaluation of: Panniculitis (Inflammation of subcutaneous tissue)
What is incisional biopsy?
What is PUNCH BIOPSY?
Useful for inflammatory dermatoses (includes the superficial and deep plexuses and superficial subcutaneous tissue)
Useful for deeper benign dermal lesions or tumors not adequately evaluated with a shave biopsy
Useful for recurrent tumors and metastatic lesions
Large punch biopsy specimens are acceptable for atypical melanocytic lesions
Often insufficient for subcutaneous lesions
Disadvantage: may cause scar
What is EXCISIONAL BIOPSY:
Used to completely remove a lesion so that margins can be evaluated
When is EXCISIONAL BIOPSY used?
Recommended for: melanomas and atypical melanocytic lesions; deep dermal or subcutaneous nodules; re-excisions of biopsy proven carcinomas