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Staged margin‐controlled excision (SMEX) for lentigo maligna melanoma in situ
Author(s) -
Beveridge Julie,
Taher Muba,
Zhu Jay,
Mahmood Muhammad N.,
Salopek Thomas G.
Publication year - 2018
Publication title -
journal of surgical oncology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.201
H-Index - 111
eISSN - 1096-9098
pISSN - 0022-4790
DOI - 10.1002/jso.25109
Subject(s) - medicine , lentigo maligna , surgical excision , surgery , margin (machine learning) , wide local excision , surgical margin , lentigo maligna melanoma , melanoma , resection , cancer research , machine learning , computer science
Background No consensus exists regarding the best surgical strategy to achieve clear surgical margins while minimizing tissue excision when definitely excising lentigo maligna melanoma in situ (LM). The staged margin controlled excision (SMEX) technique is a modification of the spaghetti technique that allows surgeons to minimize margins and ensure complete excision of LM. Objectives Our objectives were twofold: a) to evaluate the effectiveness of SMEX for treatment of LM and b) detail the SMEX technique. Methods A retrospective chart review of adult patients who underwent the SMEX technique for treatment of LM from 2011 to 2016 was conducted. Results Twenty‐four patients were identified with predominantly facial lesions. The mean defect size was 12.1 cm 2 . A mean number of two SMEX procedures, with an average margin of 9 mm, were required to obtain complete excision of the LM. Using SMEX, we achieved 100% clearance of LM over a median follow up period of 18 months, with a range of 1‐63 months. Conclusions SMEX offers a reliable surgical excision method that ensures complete excision of LM in a cosmetically sensitive manner. The recurrence outcomes of SMEX are comparable, if not better, than those of alternative excision techniques in the literature.

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