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  • Title: Teflon-induced granuloma: a source of false positive positron emission tomography and computerized tomography interpretation.
    Author: Hewitt RJ, Singh A, Wareing MJ.
    Journal: J Laryngol Otol; 2004 Oct; 118(10):822-4. PubMed ID: 15550194.
    Abstract:
    Patients diagnosed with malignancy often undergo combined positron emission tomography (PET) and computerized tomography (CT) to investigate possible metastases. This report presents a case in which, in the investigation of suspected pulmonary malignancy, combined PET and CT images suggested a malignant lesion at the level of the vocal fold. Biopsy of the lesion, however, confirmed the clinical diagnosis of a Teflon granuloma. The case highlights the potential for a false positive report during scanning of patients who have had vocal fold injection.
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