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RT Journal Article
SR Electronic
T1 False-Positive Positron-Emission Tomography-CT of a Teflon Granuloma in the Parapharyngeal Space Occurring after Treatment for a Patulous Eustachian Tube
JF American Journal of Neuroradiology
JO Am. J. Neuroradiol.
FD American Society of Neuroradiology
SP 1371
OP 1372
DO 10.3174/ajnr.A0554
VO 28
IS 7
A1 Kirsch, C.F.E.
A1 Suh, J.D.
A1 Lufkin, R.B.
A1 Canalis, R.F.
YR 2007
UL http://www.ajnr.org/content/28/7/1371.abstract
AB SUMMARY: This report presents a 55-year-old woman who underwent 2 Teflon injections in 1971 for a patulous eustachian tube. The patient returned in 2006 with a bloody left otorrhea. A positron-emission tomography-CT scan demonstrated a 2-cm hypermetabolic parapharyngeal mass, initially interpreted as a skull base tumor. Repeat neck CT confirmed a 2-cm hyperattenuated left parapharyngeal granulomatous mass. This is the first reported case of a Teflon granuloma presenting as a false-positive parapharyngeal mass.