. Author manuscript; available in PMC: 2018 Feb 1.

Published in final edited form as: J Am Acad Dermatol. 2016 Nov 23;76(2):327–333. doi: 10.1016/j.jaad.2016.09.024

Table IV.

Summary of published acantholytic squamous cell carcinoma case series

Study	No. of tumors/patients	Clinical tumor size, cm	Tumor thickness	Mortality	Follow-up
Johnson and Helwig,¹¹ 1966	213/155	0.4-12	Unknown	5/155 (3%)	1 mo-30 y (median, 6.7 y)
Nappi et al,⁶ 1989	55/49	0.4-6 (mean 0.8)	Unknown	7/36 (19%), all >1.5 cm	6 mo-10 y
Current study	115/103	0.1-5.0 (mean 1.2)	Unknown	0/88	(median, 29 mo)