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Chaudhry N, Albinsson J, Cinthio M, Kröll S, Malmsjö M, Rydén L, Sheikh R, Reistad N, Zackrisson S. Breast Cancer Diagnosis Using Extended-Wavelength-Diffuse Reflectance Spectroscopy (EW-DRS)-Proof of Concept in Ex Vivo Breast Specimens Using Machine Learning. Diagnostics (Basel) 2023; 13:3076. [PMID: 37835819 PMCID: PMC10572577 DOI: 10.3390/diagnostics13193076] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/24/2023] [Accepted: 09/26/2023] [Indexed: 10/15/2023] Open
Abstract
This study aims to investigate the feasibility of using diffuse reflectance spectroscopy (DRS) to distinguish malignant breast tissue from adjacent healthy tissue, and to evaluate if an extended-wavelength range (450-1550 nm) has an advantage over the standard wavelength range (450-900 nm). Multivariate statistics and machine learning algorithms, either linear discriminant analysis (LDA) or support vector machine (SVM) are used to distinguish the two tissue types in breast specimens (total or partial mastectomy) from 23 female patients with primary breast cancer. EW-DRS has a sensitivity of 94% and specificity of 91% as compared to a sensitivity of 40% and specificity of 71% using the standard wavelength range. The results suggest that DRS can discriminate between malignant and healthy breast tissue, with improved outcomes using an extended wavelength. It is also possible to construct a simple analytical model to improve the diagnostic performance of the DRS technique.
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Affiliation(s)
- Nadia Chaudhry
- Department of Translational Medicine, Diagnostic Radiology, Lund University, 205 02 Malmö, Sweden;
- Department of Medical Imaging and Physiology, Skåne University Hospital, 214 28 Malmö, Sweden
| | - John Albinsson
- Department of Clinical Sciences Lund, Ophthalmology, Skåne University Hospital, Lund University, 223 62 Lund, Sweden; (J.A.); (M.M.)
| | - Magnus Cinthio
- Department of Biomedical Engineering, Lund University, 221 00 Lund, Sweden;
| | - Stefan Kröll
- Department of Physics, Lund University, 221 00 Lund, Sweden; (S.K.); (N.R.)
| | - Malin Malmsjö
- Department of Clinical Sciences Lund, Ophthalmology, Skåne University Hospital, Lund University, 223 62 Lund, Sweden; (J.A.); (M.M.)
| | - Lisa Rydén
- Department of Surgery, Skåne University Hospital, 205 02 Malmö, Sweden
- Department of Clinical Sciences Lund, Surgery, Lund University, 221 85 Lund, Sweden
| | - Rafi Sheikh
- Department of Clinical Sciences Lund, Ophthalmology, Skåne University Hospital, Lund University, 223 62 Lund, Sweden; (J.A.); (M.M.)
| | - Nina Reistad
- Department of Physics, Lund University, 221 00 Lund, Sweden; (S.K.); (N.R.)
| | - Sophia Zackrisson
- Department of Translational Medicine, Diagnostic Radiology, Lund University, 205 02 Malmö, Sweden;
- Department of Medical Imaging and Physiology, Skåne University Hospital, 214 28 Malmö, Sweden
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Kolpakov AV, Moshkova AA, Melikhova EV, Sokolova DY, Muravskaya NP, Samorodov AV, Kopaneva NO, Lukina GI, Abramova MY, Mamatsashvili VG, Parshkov VV. Diffuse Reflectance Spectroscopy of the Oral Mucosa: In Vivo Experimental Validation of the Precancerous Lesions Early Detection Possibility. Diagnostics (Basel) 2023; 13:diagnostics13091633. [PMID: 37175023 PMCID: PMC10177876 DOI: 10.3390/diagnostics13091633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 04/28/2023] [Accepted: 05/03/2023] [Indexed: 05/15/2023] Open
Abstract
This article is devoted to the experimental validation of the possibility of early detection of precancerous lesions in the oral mucosa in vivo using diffuse reflectance spectroscopy in the wavelength range from 360 to 1000 nm. During the study, a sample of 119 patients with precancerous lesions has been collected and analyzed. As a result of the analysis, the most informative wavelength ranges were determined, in which the maximum differences in the backscattering spectra of lesions and intact tissues were observed, methods for automatic classification of backscattering spectra of the oral mucosa were studied, sensitivity and specificity values, achievable using diffuse reflectance spectroscopy for detecting hyperkeratosis on the tongue ventrolateral mucosa surface and buccal mucosa, were evaluated. As a result of preliminary experimental studies in vivo, the possibility of automatic detection of precancerous lesions of the oral mucosa surface using diffuse reflectance spectroscopy in the wavelength range from 500 to 900 nm with an accuracy of at least 75 percent has been shown.
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Affiliation(s)
- Alexander V Kolpakov
- Faculty of Biomedical Engineering, Bauman Moscow State Technical University, Moscow 105005, Russia
| | - Anastasia A Moshkova
- Faculty of Biomedical Engineering, Bauman Moscow State Technical University, Moscow 105005, Russia
| | - Ekaterina V Melikhova
- Faculty of Biomedical Engineering, Bauman Moscow State Technical University, Moscow 105005, Russia
| | - Diana Yu Sokolova
- Faculty of Biomedical Engineering, Bauman Moscow State Technical University, Moscow 105005, Russia
| | - Natalia P Muravskaya
- Faculty of Biomedical Engineering, Bauman Moscow State Technical University, Moscow 105005, Russia
| | - Andrey V Samorodov
- Faculty of Biomedical Engineering, Bauman Moscow State Technical University, Moscow 105005, Russia
| | - Nina O Kopaneva
- Department of Therapeutic Dentistry and Diseases of the Oral Mucosa, Moscow State University of Medicine and Dentistry, Moscow 127473, Russia
| | - Galina I Lukina
- Department of Therapeutic Dentistry and Diseases of the Oral Mucosa, Moscow State University of Medicine and Dentistry, Moscow 127473, Russia
| | - Marina Ya Abramova
- Department of Therapeutic Dentistry and Diseases of the Oral Mucosa, Moscow State University of Medicine and Dentistry, Moscow 127473, Russia
| | - Veta G Mamatsashvili
- Department of Therapeutic Dentistry and Diseases of the Oral Mucosa, Moscow State University of Medicine and Dentistry, Moscow 127473, Russia
| | - Vadim V Parshkov
- Department of Therapeutic Dentistry and Diseases of the Oral Mucosa, Moscow State University of Medicine and Dentistry, Moscow 127473, Russia
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