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Axial CT post contrast | Coronal CT bone windows |
Nasal polyps are usually not a diagnostic dilemma on imaging. Other entities to consider in the differential of a low attenuation, non-enhancing, non-invasive nasopharyngeal mass may include nasal dermoid or epidermoid and cephalocele. Possibilities in the general differential of a nasopharyngeal mass include inverting papilloma, nasal angiofibroma, nasopharyngeal carcinoma, lymphoma, and esthesioneuroblastoma Related Cases
Vogelzang PJ, Babbel RW, Harnsberger HR. The nose and nasal vault. Semin Ultrasound CT MR, Dec 1991; 12(6):592-612.
Batsakis JG, Sneige N. Choanal and angiomatous polyps of the sinonasal tract. Ann Otol Rhinol Laryngol, Jul 1992;101(7):p623-5.
Reifen E, Noyek AM. Stromal calcification in choanal polyp. J Otolaryngol, Jun 1992; 21(3):p199-201.
Spraggs PD. Radiological diagnosis of spheno-choanal polyp. J Laryngol Otol, Feb 1993; 107(2):p159-60.
Weissman JL, Tabor EK, Curtin HD. Sphenochoanal polyps: evaluation with CT and MR imaging. Radiology, Jan 1991; 178(1):p145-8.
Chen JM, Schloss MD, Azouz ME. Antro-choanal polyp: a 10 year retrospective study in the pediatric population with a review of the literature. J Otolaryngol, Jun 1989; 18(4): p168-72.
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Nasal angiofibroma | Esthesioneuroblastoma | Inverting papilloma |