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. 2023 Jan 20;29:100454. doi: 10.1016/j.pacs.2023.100454

Fig. 2.

Fig. 2

Human hand-held MSOT imaging and data analysis. (a) US image over the hypochondriac region of a healthy volunteer. (b) MSOT image recorded at 930 nm of the hypochondriac region of the same healthy volunteer. (c) US image of the liver of a patient with liver steatosis. (d) 930 nm-MSOT image of the same region of the patient. In (a)-(d): The dashed yellow lines delineate the skin/SAT layers and the dashed orange lines the liver region. (e-f) Normalized ROI/BGR ratio spectrum within the SAT region for a healthy volunteer and a patient with steatosis. (g) Mean (± standard error of the mean) normalized ROI/BGR ratio spectra for the whole cohort of healthy subjects (gray) and patients (orange). (h) Normalized ROI/BGR mean pixel intensity ratio at 930 nm within the SAT region for healthy volunteers (gray) and patients (orange). (i-j) Normalized ROI/BGR ratio spectrum within the liver region of a healthy volunteer (gray) and a patient (orange). (k) Mean (± standard error of the mean) normalized ROI/BGR ratio spectra for the whole cohort of healthy volunteers (gray) and patients (orange). (l) Normalized ROI/BGR mean pixel intensity ratio at 930 nm within the liver region of healthy subjects (gray) and patients with liver steatosis (orange). ns = non statistically significant, *p < 0.05.