Noltes, M.E.* ; Bader, M. ; Metman, M.J.H.* ; Vonk, J.* ; Steinkamp, P.J.* ; Kukacka, J. ; Westerlaan, H.E.* ; Dierckx, R.A.J.O.* ; van Hemel, B.M.* ; Brouwers, A.H.* ; van Dam, G.M.* ; Jüstel, D. ; Ntziachristos, V. ; Kruijff, S.*
     
 
    
        
Towards in vivo characterization of thyroid nodules suspicious for malignancy using multispectral optoacoustic tomography.
    
    
        
    
    
        
        Eur. J. Nucl. Med. Mol. Imaging 50, 2736-2750 (2023)
    
    
    
		
		
			
				PURPOSE: Patient-tailored management of thyroid nodules requires improved risk of malignancy stratification by accurate preoperative nodule assessment, aiming to personalize decisions concerning diagnostics and treatment. Here, we perform an exploratory pilot study to identify possible patterns on multispectral optoacoustic tomography (MSOT) for thyroid malignancy stratification. For the first time, we directly correlate MSOT images with histopathology data on a detailed level. METHODS: We use recently enhanced data processing and image reconstruction methods for MSOT to provide next-level image quality by means of improved spatial resolution and spectral contrast. We examine optoacoustic features in thyroid nodules associated with vascular patterns and correlate these directly with reference histopathology. RESULTS: Our methods show the ability to resolve blood vessels with diameters of 250 μm at depths of up to 2 cm. The vessel diameters derived on MSOT showed an excellent correlation (R2-score of 0.9426) with the vessel diameters on histopathology. Subsequently, we identify features of malignancy observable in MSOT, such as intranodular microvascularity and extrathyroidal extension verified by histopathology. Despite these promising features in selected patients, we could not determine statistically relevant differences between benign and malignant thyroid nodules based on mean oxygen saturation in thyroid nodules. Thus, we illustrate general imaging artifacts of the whole field of optoacoustic imaging that reduce image fidelity and distort spectral contrast, which impedes quantification of chromophore presence based on mean concentrations. CONCLUSION: We recommend examining optoacoustic features in addition to chromophore quantification to rank malignancy risk. We present optoacoustic images of thyroid nodules with the highest spatial resolution and spectral contrast to date, directly correlated to histopathology, pushing the clinical translation of MSOT.
			
			
				
			
		 
		
			
				
					
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        Publikationstyp
        Artikel: Journalartikel
    
 
    
        Dokumenttyp
        Wissenschaftlicher Artikel
    
 
    
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        Schlagwörter
        Multispectral Optoacoustic Tomography ; Optoacoustic ; Photoacoustic ; Thyroid Cancer ; Thyroid Nodule; Photoacoustic Tomography; Association Guidelines; Ex-vivo; Cancer; Management; Carcinoma; Incidentalomas; Ultrasound; Shrinkage; Extension
    
 
    
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        Sprache
        englisch
    
 
    
        Veröffentlichungsjahr
        2023
    
 
    
        Prepublished im Jahr 
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        HGF-Berichtsjahr
        2023
    
 
    
    
        ISSN (print) / ISBN
        1619-7070
    
 
    
        e-ISSN
        1432-105X
    
 
    
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	    Band: 50,  
	    Heft: 9,  
	    Seiten: 2736-2750 
	    Artikelnummer: ,  
	    Supplement: ,  
	
    
 
  
        
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            Verlag
            Springer
        
 
        
            Verlagsort
            One New York Plaza, Suite 4600, New York, Ny, United States
        
 
	
        
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        Begutachtungsstatus
        Peer reviewed
    
 
     
    
        POF Topic(s)
        30205 - Bioengineering and Digital Health
    
 
    
        Forschungsfeld(er)
        Enabling and Novel Technologies
    
 
    
        PSP-Element(e)
        G-505500-001
G-503800-001
    
 
    
        Förderungen
        European Research Council (ERC) under the European Union
Deutsche Forschungsgemeinschaft (DFG)
Foundation de Cock-Hadders
    
 
    
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        Erfassungsdatum
        2023-10-06