False-positive positron-emission tomography-CT of a Teflon granuloma in the parapharyngeal space occurring after treatment for a patulous eustachian tube.

@article{Kirsch2007FalsepositivePT,
  title={False-positive positron-emission tomography-CT of a Teflon granuloma in the parapharyngeal space occurring after treatment for a patulous eustachian tube.},
  author={Claudia F. E. Kirsch and Jeffrey D. Suh and Robert B. Lufkin and Rinaldo F. Canalis},
  journal={AJNR. American journal of neuroradiology},
  year={2007},
  volume={28 7},
  pages={
          1371-2
        }
}
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… CONTINUE READING

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