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Int J Biomed Sci. 2012 Jun;8(2):94-108.

In Vitro and In Vivo (1)H-MR Spectroscopic Examination of the Renal Cell Carcinoma.

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1
Institute of Inorganic Chemistry and the Department of Nuclear Medicine University of Cologne, Germany.

Abstract

BACKGROUND:

Paraneoplastic effects are some of the major side effects of advanced renal cell carcinoma (RCC). Magnetic resonance spectroscopy (MRS) is known as a powerful tool to study cancer cell metabolism and cancer cell - host interactions. Aim of this study was to assess tumor cell metabolism and systemic effects using (1)H-MRS.

METHODS:

Spectroscopic analysis of 10 patients with RCC was compared with those of 15 healthy volunteers. Local tumor metabolism was assessed using image-guided (1)H-in-vivo-spectroscopy in a 1.5 Tesla MR whole body tomograph. Systemic effects of RCC were measured using (1)H-High-Resolution (HR) spectra of blood plasma samples in a 500 MHz Bruker DRX 500 spectrometer.

RESULTS:

In-vivo-spectroscopy can significantly differentiate tumor tissue from healthy renal tissue by comparing their lipid composition. Moreover after detailed assignment of the various metabolites in blood plasma in the in-vitro-HR-spectra significant systemic alterations could be identified in patients with RCC especially regarding lipid and amino acid metabolism.

CONCLUSION:

This work indicates that using (1)H-MRS both changes in tumor metabolism and resulting systemic/paraneoplastic effects can be assessed in patients with RCC. This approach therefore offers scope for diagnosis and therapy evaluation.

KEYWORDS:

1H-magnetic resonance spectroscopy; lipid metabolism; renal cell cancer

PMID:
23675262
PMCID:
PMC3614866
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