Detecting temporal and spatial effects of epithelial cancers with Raman spectroscopy.

Abstract:

:Epithelial cancers, including those of the skin and cervix, are the most common type of cancers in humans. Many recent studies have attempted to use Raman spectroscopy to diagnose these cancers. In this paper, Raman spectral markers related to the temporal and spatial effects of cervical and skin cancers are examined through four separate but related studies. Results from a clinical cervix study show that previous disease has a significant effect on the Raman signatures of the cervix, which allow for near 100% classification for discriminating previous disease versus a true normal. A Raman microspectroscopy study showed that Raman can detect changes due to adjacent regions of dysplasia or HPV that cannot be detected histologically, while a clinical skin study showed that Raman spectra may be detecting malignancy associated changes in tissues surrounding nonmelanoma skin cancers. Finally, results of an organotypic raft culture study provided support for both the skin and the in vitro cervix results. These studies add to the growing body of evidence that optical spectroscopy, in this case Raman spectral markers, can be used to detect subtle temporal and spatial effects in tissue near cancerous sites that go otherwise undetected by conventional histology.

journal_name

Dis Markers

journal_title

Disease markers

authors

Keller MD,Kanter EM,Lieber CA,Majumder SK,Hutchings J,Ellis DL,Beaven RB,Stone N,Mahadevan-Jansen A

doi

10.1155/2008/230307

subject

Has Abstract

pub_date

2008-01-01 00:00:00

pages

323-37

issue

6

eissn

0278-0240

issn

1875-8630

pii

36LL6167761L5131

journal_volume

25

pub_type

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