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lüll Case report: PET/CT, a cautionary tale Wang J; Cook G; Frank J; Dina R; Livni N; Lynn J; Fleming W; Seckl MJBMC Cancer 2007[Aug]; 7 (ä): 147BACKGROUND: The use of combined positron emission tomography/computerised tomography (PET/CT) scanners in oncology has been shown to improve the staging of tumours and the detection of relapses. However, mis-registration errors are increasingly recognised to be a common pitfall of PET/CT studies. CASE PRESENTATION: We report a patient with a germ cell tumour of the testis, who underwent a PET/CT scan to detect the site of relapse with a view to surgical removal. However, the PET/CT scan mislocalised the tumour site to be within the T2 vertebral body. A subsequent endoscopic ultrasound scan however showed the tumour to be anterior to the vertebral body, which was confirmed at surgery. CONCLUSION: In this report, we highlight the artefactual mislocalisation errors which may occur with PET/CT imaging, and the need to review and verify these scans.|*Diagnostic Errors[MESH]|Adult[MESH]|Humans[MESH]|Male[MESH]|Neoplasms, Germ Cell and Embryonal/*diagnosis/pathology[MESH]|Positron-Emission Tomography/*methods[MESH]|Recurrence[MESH]|Testicular Neoplasms/*diagnosis/pathology[MESH] |