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Focal Thyroid Uptake during <sup>18</sup>F-Choline PET/CT: A Case Report

Case Reports in Clinical Medicine 2015年第11期4卷 345-348页

作者： Giordano Savelli pietro basile Alfredo Muni Claudio Bna Claudio Pizzocaro Renato Pagani Nuclear Medicine Fondazione Poliambulanza Istituto Ospedaliero Brescia Italy Nuclear Medicine SS. Antonio e Biagio Arrigo Alessandria Italy Radiology Fondazione Poliambulanza Istituto Ospedaliero Brescia Italy Renato Pagani Carlo Poma Hospital Mantua Italy

Here we report the case of a 60-year-old patient previously affected by prostate cancer treated with prostatectomy. After surgery, the patient was scheduled for routine follow up examinations including biochemical and imaging evaluations. PSA testing evidenced a light, continuous increase in the course of the last four sampling. This finding calls for a biochemical recurrence. Thus the patient underwent a 18F-Fluorocholine (FCH) PET/CT to detect the possible sites of the relapse. FCH PET/CT did not disclose any focal uptake suggesting a metastatic spread. However, one focal uptake was noticed in the lower pole of the right thyroid lobe, corresponding to a hypodense nodule. Therefore, the patient was studied with 99 mTc thyroid scan and neck ultrasound. Both examinations had findings suspicious of a neoplasm. The fine needle aspiration biopsy (FNAB) that was carried out to rule out a malignancy, gave a TIR2 result. FCH PET/CT may give thyroidal uptakes in benign lesions.

关键词： 18F-Choline PET/CT Prostate Cancer Thyroid Incidentaloma

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Life Cycle Assessment of Enriched Methane Produced by a Concentrated Solar Power Plant Coupled with a Steam Reforming Process

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Journal of Chemistry and Chemical Engineering 2011年第1期5卷 42-48页

作者： Vincenzo Piemonte Marcello De Falco Alberto Giaconia pietro Tarquini Angelo basile Gaetano Iaquaniello Department of Chemical Engineering Materials ＆ Environment University of Rome ＂La Sapienza＂ Rome Italy Faculty of Engineering University Campus Bio-Medico of Rome via Alvaro del Portillo 21 00128 Rome Italy ENEA-Casaccia Research Centre via Anguillarese 301 00123 Rome Italy CNR-1TM c/o University of Calabria Via Pietro Bucci Cubo 17/C 87030 Rende （CS） Italy Tecnimont-KT S.p.A. Viale Castello della Magliana 75 00148 Rome-Italy

The global energy related challenges, mainly due to the worldwide growing energy consumption gone with a reduction ofoil and gas availability, is leading to an increasing interest on hydrogen as energy carrier. Molten salts at temperatures up to 550 ~C can be used as solar heat carrier and storage system, and hydrogen selective membranes can be used to drive reforming reaction at lower temperatures than conventional （〈 550 ~C）, with hydrogen purification achieved thereby. The combination of new technologies such as membranes and membrane reactors, concentrating solar power （CSP） systems and molten salt heat carriers, allows a partial decarbonation of the fossil fuel together with the possibility to carry solar energy in the current natural gas grid. The aim of this work is to present a life cycle assessment of a novel hybrid plant for the production of a mixture of methane and hydrogen, called enriched methane, from a steam reforming reactor whose heat duty is supplied by a molten salt stream heated up by an innovative concentrating solar power （CSP） plant developed by ENEA. The performance of this plant will be evaluated from an environmental point of view by the use of an LCA software （SimaPro7） and compared with the ones of traditional plants （reformer and cracker for the hydrogen production） for the production of enriched methane.

关键词： LCA CSP enriched methane steam reforming membrane reactor.

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