Sphenochoanal polyps: Evaluation with CT and MR imaging

Jane Weissman, Ellen K. Tabor, Hugh D. Curtin

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

A sphenochoanal polyp is a solitary mass of low attenuation on computed tomographic (CT) scans that arises from the sphenoid sinus and extends through the sphenoid ostium, across the sphenoethmoid recess, and into the choana (the boundary between the nasal cavity and nasopharynx). More often, however, a choanal polyp is an antrochoanal polyp, which arises from the maxillary antrum, protrudes through the middle meatus, extends into the nasal cavity, and continues back to the choana. Contiguous axial or coronal magnetic resonance and CT images help clearly differentiate the rare sphenochoanal polyp from the more common antrochoanal polyp. The sinus of origin is important to identify, as the surgical approach depends on the target sinus.

Original languageEnglish (US)
Pages (from-to)145-148
Number of pages4
JournalRadiology
Volume178
Issue number1
StatePublished - Jan 1991
Externally publishedYes

Fingerprint

Polyps
Nasopharynx
Nasal Cavity
Sphenoid Sinus
Maxillary Sinus
Magnetic Resonance Spectroscopy

Keywords

  • Nose, CT, 261.1211
  • Nose, MR studies, 261.1214
  • Nose, neoplasms, 261.369
  • Paranasal sinuses, CT, 23.1211
  • Paranasal sinuses, MR studies, 23.1214
  • Paranasal sinuses, neoplasms, 23.369
  • Paranasal sinuses, polyps, 23.369

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology

Cite this

Weissman, J., Tabor, E. K., & Curtin, H. D. (1991). Sphenochoanal polyps: Evaluation with CT and MR imaging. Radiology, 178(1), 145-148.

Sphenochoanal polyps : Evaluation with CT and MR imaging. / Weissman, Jane; Tabor, Ellen K.; Curtin, Hugh D.

In: Radiology, Vol. 178, No. 1, 01.1991, p. 145-148.

Research output: Contribution to journalArticle

Weissman, J, Tabor, EK & Curtin, HD 1991, 'Sphenochoanal polyps: Evaluation with CT and MR imaging', Radiology, vol. 178, no. 1, pp. 145-148.
Weissman J, Tabor EK, Curtin HD. Sphenochoanal polyps: Evaluation with CT and MR imaging. Radiology. 1991 Jan;178(1):145-148.
Weissman, Jane ; Tabor, Ellen K. ; Curtin, Hugh D. / Sphenochoanal polyps : Evaluation with CT and MR imaging. In: Radiology. 1991 ; Vol. 178, No. 1. pp. 145-148.
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