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Value of combined XCT/SPECT technology for avoiding false positive planar (123)I-MIBG scintigraphy

Ozer, S, Dobrozemsky, G, Kienast, O, Beheshti, M, Becherer, A, Niederle, B, Kainberger, F, Dudczak, R and Kurtaran, A (2004) Value of combined XCT/SPECT technology for avoiding false positive planar (123)I-MIBG scintigraphy. [Fachpublikation (peer reviewed)]

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Abstract

AIM The clinical value of combined XCT/SPECT technology in a single device in patients undergoing (123)I-MIBG scintigraphy was analyzed. METHODS 31 patients (19 men, 12 women; mean age 55 years, range: 31-79 years) demonstrating focal accumulation in planar (123)I-MIBG scan were further investigated with a double headed gamma camera with an X-ray tomograph mounted on the same gantry (GE Medical Systems, Millennium VG with Hawkeye, Milwaukee, USA) for anatomical definition of the focal (123)I-MIBG uptake. The patients were referred to (123)I-MIBG scintigraphy because of biochemically (81%) and/or clinically (19%) suspected pheochromocytoma. RESULTS In 23 out of 31 patients (74%) the fused images demonstrated physiological accumulation (i. e. intestinal, renal) of (123)I-MIBG. In two patients (6%) suspected adrenal MIBG-accumulation was caused by inhomogeneous liver uptake. In two patients (6%) focal abdominal accumulation was correctly localised in the adrenal glands. Furthermore, the differentiation of bone metastasis from a local recurrence for phaeochromocytoma was accurately possible for two patients (6%). Adrenal lesions mimicking liver foci were correctly localised in the remaining two patients (6%). CONCLUSION Our study demonstrates the clinical value of XCT/SPECT in a single device in patients demonstrating focal (123)I-MIBG uptake in planar scintigraphy. The combined XCT/SPECT technology provides a higher diagnostic accuracy.
Item Type: Fachpublikation (peer reviewed)
Divisions: Ordensklinikum Linz Barmherzige Schwestern > Nuklearmedizin
Depositing User: Prof. Werner Langsteger
Date Deposited: 19 Mar 2019 12:21
Last Modified: 19 Mar 2019 12:21
URI: http://eprints.vinzenzgruppe.at/id/eprint/8604

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