| Evaluation of patients with liver metastases from colorectal cancer for locally ablative treatment with laser induced thermotherapy. Impact of PET with 18F-fluorodeoxyglucose on therapeutic decisions. | |
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MedLine Citation:
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PMID: 16964344 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: Before locally ablative treatment of colorectal liver metastases, patients have to be carefully evaluated to decide whether this is the adequate therapy. In this study we determined the value of FDG-PET in comparison to conventional staging procedures. PATIENTS, METHODS: In 68 consecutive patients referred for laser induced thermotherapy (LITT) of liver metastases from colorectal cancer, pretherapeutic staging with conventional imaging (thoracic and abdominal CT, liver MRI, chest X-ray) and FDG-PET was performed. The examinations were analysed separately and blinded. Based on the staging information, therapeutic decisions were made by an interdisciplinary review board according to a standardized algorithm. The results were compared between conventional imaging and FDG-PET, and were validated by clinical follow up data and histopathology, respectively. RESULTS: On FDG-PET 210 lesions were interpreted as tumour manifestations. 48 of these were not seen on conventional imaging (true positive, n = 46). In contrast, 24 lesions were visualized by conventional imaging only (true positive, n = 12). Compared to conventional imaging, discrepant findings on FDG-PET led to treatment modifications in 25 patients (37%); these were correct in 20/25 patients. According to the actual treatment course, the inadequate treatment modifications in the remaining 5 patients were avoided by further diagnostic procedures (i.e. biopsies). CONCLUSION: In the evaluation of patients with known liver metastases from colorectal cancer before LITT, FDG-PET depicts relevant findings subsidiary to conventional imaging and thus is of high value for therapeutic decision making. |
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Authors:
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H Amthauer; T Denecke; B Hildebrandt; R Rühl; A Miersch; A Nicolaou; J Ruf; M Plotkin; E L Hänninen; C Stroszczynski; M Gutberlet; J Langrehr; H Riess; J Ricke |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Nuklearmedizin. Nuclear medicine Volume: 45 ISSN: 0029-5566 ISO Abbreviation: Nuklearmedizin Publication Date: 2006 |
Date Detail:
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Created Date: 2006-09-11 Completed Date: 2006-09-28 Revised Date: 2007-01-12 |
Medline Journal Info:
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Nlm Unique ID: 7609387 Medline TA: Nuklearmedizin Country: Germany |
Other Details:
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Languages: eng Pagination: 177-84 Citation Subset: IM |
Affiliation:
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Klinik für Strahlenheilkunde, Charité-Universitätsmedizin, Augustenburger Platz 1, 13353 Berlin, Germany. h.amthauer@charite.de |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Colorectal Neoplasms
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pathology* Fluorodeoxyglucose F18 / diagnostic use* Humans Hyperthermia, Induced* Lasers Liver Neoplasms / radionuclide imaging, secondary, surgery*, therapy* Positron-Emission Tomography Radiopharmaceuticals / diagnostic use Retrospective Studies Sensitivity and Specificity Tomography, X-Ray Computed |
| Chemical | |
Reg. No./Substance:
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0/Radiopharmaceuticals; 63503-12-8/Fluorodeoxyglucose F18 |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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