Potentially distinctive features of sinonasal inverted papilloma on MR imaging.
case_series · Level IV
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Abstract
The objective of this study is to describe potentially distinctive MR features of sinonasal inverted papilloma and those of coexisting squamous cell carcinoma. A sinonasal mass with a convoluted cerebriform pattern on T2- or enhanced T1-weighted images suggests inverted papilloma as a histologic diagnosis. Necrosis in a mass with such an appearance strongly suggests coexistent carcinoma.
Medical subject headings
- Carcinoma, Squamous Cell
- Magnetic Resonance Imaging
- Neoplasms, Multiple Primary
- Papilloma, Inverted
- Paranasal Sinus Neoplasms