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Copyright of Hamidiye Medical Journal is the property of Galenos Yayinevi Tic. LTD. STI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objectives: To investigate the relation between thyroid-stimulating-hormone (TSH) and metabolic tumor volume (MTV) in patients with advanced medullary thyroid cancer. Methods: Ga-68-DOTA-TATE-PET/CT findings such whole-body somatostatin receptor-expressing metabolic tumor volume (SSR-E MTV) and total lesion volume (SSR-E TLV) were calculated, and correlation analysis was performed for TSH and whole-body SSR-E MTV and SSR-E TLV. Results: Totally twenty-eight patients were included in the study. The median TSH level was 2.90 mU/L and median free T4 was 2.70 ng/L. The median calcitonin level was 6671.6 pg/mL and the median carcinoembryonic antigen level was 202.8 ng/mL. Median whole-body SSR-E MTV was calculated as 37.2 cm3 and median SSR-E TLV was calculated 198.6 cm3. There was a significantly positive correlation between TSH and whole-body SSR-E MTV and SSR-E TLV (rho=0.739, p<0.001 and rho=0.595, p=0.006). In the linear regression analysis, only calcitonin was found as a significant factor in terms of correlated with for SSR-E MTV (p<0.001). there were found that calcitonin and TSH were statistically significant factors in terms of correlated with SSR-E TLV (p<0.001 and p=0.005, respectively). Conclusion: This is the first study shown that a positive correlation between TSH and SSR-E MTV in patients with advanced medullary thyroid cancer. [ABSTRACT FROM AUTHOR]

Copyright of Archives of Clinical & Experimental Medicine is the property of Archives of Clinical & Experimental Medicine and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)