Histological Peripheral Margins and Recurrence of Melanoma In Situ Treated with Wide Local Excision

Table 1

Different lesion types of MIS.

Lesion type	Subjects (n)	% of MIS subjects
Primary	140	84
	(120 LM; 12 SS-MIS; 8 both LM and SS-MIS)
Recurrent	9	5
	(7 LM; 2 both LM and SS-MIS)
MIS with invasive foci or regression	18	11
	(7 LM; 6 SS-MIS; 5 both LM and SS-MIS)
Average BT depth of MIS with reported foci of invasion	0.47 mm