Biomedical Engineering Reference
In-Depth Information
Fig. 1.23
Mean Raman spectra of biopsied oral tissues: (
a
) normal, (
b
) malignant, (
c
) inflamma-
tory, and (
d
) premalignant (Adapted from Malini et al. [
69
], with permission)
1.4.5
Gastric Cancer Diagnosis
Gastric cancer is the fourth most common cancer and the second most common
cause of death from cancer worldwide. Teh et al. [
72
-
74
] studied the normal and
precancerous gastric tissues using near-infrared Raman spectroscopy (similar to
the skin Raman probe in Fig.
1.10
). The Raman spectra of normal and dysplasia
gastric tissue are shown in Fig.
1.25
. The main Raman peaks are 875, 1,004, 1,100,
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