Abstract:
BACKGROUND:Lentigo maligna (LM) often displays extensive subclinical spread. Mohs micrographic surgery (MMS) has been proposed to help delineate the true histologic margin; however, visualizing atypical melanocytes on frozen section is challenging and often requires confirmatory permanent paraffin sections. OBJECTIVE:Our aim was to use a monoclonal antibody to rapidly stain frozen sections during MMS to facilitate better visualization of atypical melanocytes. METHODS:Frozen sections of LM during MMS were stained with MART-1 (melanoma antigen recognized by T cells) and compared with paraffin-embedded sections. RESULTS:We found 100% correlation between frozen sections stained with MART-1 and paraffin-embedded sections. CONCLUSIONS:Atypical melanocytes can be better visualized on frozen sections of LM by using MART-1 rather than hematoxylin and eosin. This allows for easier identification during MMS and better chance of complete removal of LM lesions.
journal_name
J Am Acad Dermatoljournal_title
Journal of the American Academy of Dermatologyauthors
Kelley LC,Starkus Ldoi
10.1067/mjd.2002.119197subject
Has Abstractpub_date
2002-01-01 00:00:00pages
78-84issue
1eissn
0190-9622issn
1097-6787pii
S0190-9622(02)20366-7journal_volume
46pub_type
杂志文章abstract::In 2002, the National Rosacea Society assembled an expert committee to develop the first standard classification of rosacea. This original classification was intended to be updated as scientific knowledge and clinical experience increased. Over the last 15 years, significant new insights into rosacea's pathogenesis an...
journal_title:Journal of the American Academy of Dermatology
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