Fig. 2

Spectra of subtracted effective optical density for PTG adenoma recorded during two surgeries (A,B). Changes in oxygenation index (C,D) and total hemoglobin index (E,F) over time during vascular occlusion.

Spectra of subtracted effective optical density for PTG adenoma recorded during two surgeries (A,B). Changes in oxygenation index (C,D) and total hemoglobin index (E,F) over time during vascular occlusion.