Accumulation of 99mTc-PMT in renal metastasis of hepatocellular carcinoma.

Department of Radiology, Kyoto City Hospital, Kyoto, Japan.
Annals of Nuclear Medicine (Impact Factor: 1.68). 07/2003; 17(4):333-6. DOI: 10.1007/BF02988531
Source: PubMed


We describe here a case in which 99mTc-Sn-N-pyridoxy-5-methyltryptophan (99mTc-PMT) scintigraphy was useful in diagnosing renal metastasis of hepatocellular carcinoma (HCC). A 62-year-old man who had undergone hepatectomy for HCC presented 6 years after initial diagnosis with left flank pain and was found on CT and MRI to have a tumor in the left kidney. Hepatobiliary scintigraphy using 99Tc-PMT was performed, and 99mTc-PMT accumulation was found in the tumor. Nephrectomy was performed and metastasis of HCC was confirmed.

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