. Author manuscript; available in PMC: 2014 Mar 20.

Published in final edited form as: Acad Radiol. 2014 Feb;21(2):263–270. doi: 10.1016/j.acra.2013.11.013

TABLE 1.

Reconstructed SFDI and HFUS Parameters for Two Patients (Mean ± Standard Deviation [SD])

Parameter	Patient 1 (BCC)			Patient 2 (SCC)
	Tumor	Normal	P Value	Tumor	Normal	P Value
	Mean ± SD	Mean ± SD	P Value	Mean ± SD	Mean ± SD	P Value
Optical absorption at 630 nm (cm⁻¹)	0.27 ± 0.03	0.21 ± 0.02	<.0001	0.41 ± 0.06	0.32 ± 0.04	<.0001
Optical scattering at 630 nm (cm⁻¹)	11.77 ± 1.20	14.97 ± 0.97	<.0001	10.83 ± 2.47	13.77 ± 2.62	<.0001
Optical penetration depth at 630 nm (mm)	3.19 ± 0.51	3.25 ± 0.34	<.0001	2.69 ± 0.73	2.74 ± 0.63	<.0001
StO₂ (%)	82.30 ± 2.75	76.85 ± 6.23	<.0001	83.74 ± 4.95	89.73 ± 2.60	<.0001
THC (mmol)	0.05 ± 0.01	0.03 ± 0.01	<.0001	0.07 ± 0.01	0.08 ± 0.01	<.0001
Max thickness-HFUS (mm)	1.79 ± 0.05			1.86 ± 0.02
Max thickness-Mohs (mm)	1.76			1.87

BCC, basal cell carcinoma; HFUS, high frequency ultrasound; SFDI, spatial frequency domain imaging; SCC, squamous cell carcinoma.