Abstract：
BACKGROUND:Atypical fibroxanthoma (AFX) is a fibrohistiocytic tumor with relatively high local recurrence rates but low metastatic potential. Wide local excision (WLE) and Mohs micrographic surgery (MMS) are common treatments, although no consensus exists regarding optimal therapy. OBJECTIVE:To systematically review evidence of AFX recurrence and metastatic rates after different surgical modalities. METHODS:A comprehensive search was performed for articles published from 1946 or database inception to March 20, 2017. Studies selected included those that had 5 or more patients with atypical fibroxanthoma treated surgically. Two reviewers independently abstracted the data. Risk of bias was assessed with the Newcastle-Ottawa scale. Main outcomes and measures included recurrence and metastasis. RESULTS:In total, 23 studies were selected (907 patients and 914 tumors); 175 patients were treated with MMS (recurrence rate 2.0%, 95% confidence interval [CI] 0%-4.1%; metastatic rate 1.9%, 95% CI 0.1%-3.8%), and 732 were treated with WLE (recurrence rate 8.7%, 95% CI 5%-12.3%; metastasis rate 1%, 95% CI 0.2%-1.9%). Among immunocompromised patients, no recurrence or metastases developed in the MMS subgroup, although 4 of 10 recurred and 1 of 10 metastasized in the WLE subgroup. LIMITATIONS:Low quality of the studies published. CONCLUSION:MMS for atypical fibroxanthoma is associated with a lower recurrence rate than WLE.
journal_name
J Am Acad Dermatoljournal_title
Journal of the American Academy of Dermatologyauthors
Tolkachjov SN,Kelley BF,Alahdab F,Erwin PJ,Brewer JDdoi
10.1016/j.jaad.2018.06.048subject
Has Abstractpub_date
2018-11-01 00:00:00pages
929-934.e6issue
5eissn
0190-9622issn
1097-6787pii
S0190-9622(18)32204-7journal_volume
79pub_type
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