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AJNR Awards, New Junior Editors, and more. Read the latest AJNR updates

Research ArticleHead and Neck Imaging

Nasal Cavity Eosinophilic Angiocentric Fibrosis: CT and MR Imaging Findings

B.T. Yang, Y.Z. Wang, X.Y. Wang and Z.C. Wang
American Journal of Neuroradiology December 2011, 32 (11) 2149-2153; DOI: https://doi.org/10.3174/ajnr.A2786
B.T. Yang
aFrom the Department of Radiology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
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Y.Z. Wang
aFrom the Department of Radiology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
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X.Y. Wang
aFrom the Department of Radiology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
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Z.C. Wang
aFrom the Department of Radiology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
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  • Fig 1.
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    Fig 1.

    Case 5. Axial CT image shows symmetrical thickening of the septum with lateral nasal walls bilaterally.

  • Fig 2.
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    Fig 2.

    Case 6. Axial (A) and coronal (B) CT images show an oval-shaped, well-defined, and isointense soft-tissue mass arising from left lateral nasal wall and extending into the nasal septum.

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    Fig 3.

    Case 1. A, Axial T1-weighted image shows symmetrical thickening of the septum and lateral nasal walls with isointense signal intensity. B, The lesion has hypointense signal intensity on the axial T2-weighted image. C, Axial contrast-enhanced T1-weighted image with fat saturation shows moderate inhomogeneous enhancement of the lesion. D, Corresponding axial DCE MR image depicts the rapidly enhancing and slow washout pattern (Type II). E, The round cursors mark the region of interest selected for signal intensity measurement at dynamic MR imaging. F, Axial T2-weighted image shows a recurrent lesion in the primary site.

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    Fig 4.

    Case 2. A, Axial T2-weighted image shows diffuse thickening of the septum and lateral nasal walls with hypointense signal intensity. B, Axial T2-weighted image shows bilateral lacrimal gland enlargement, appearing as hypointense signal intensity. C, Axial contrast-enhanced T1-weighted image with fat saturation shows moderate homogeneous enhancement of bilateral lacrimal glands.

Tables

  • Figures
  • Nasal cavity eosinophilic angiocentric fibrosis: CT and MR imaging characteristics

    Patient No.Sex/ Age (years)LocationLesion Size (mm)Unenhanced CTMR ImagingFollow-Up (years)
    T1WIT2WIContrast
    1F/26Nasal septum33IsodenseIsointenseHypointenseModerate2
    2M/16Nasal septum52IsodenseIsointenseHypointenseModerateN
    3F/62Right lateral nasal wall21IsodenseIsointenseIsointenseModerate4
    4M/28Nasal septum26IsodenseNNN3
    5F/24Nasal septum35IsodenseNNN5
    6M/73Left lateral nasal wall12IsodenseNNN0.5
    • Note:—Lesion size indicates maximum diameter. CT density and MR imaging signal intensity are compared with cerebral gray matter. N indicates none.

    • Five patients were followed up for 0.5–5 years following surgery. Patient 1 recurred after 2 years (Fig 3F); the other 5 patients showed no evidence of recurrence. After the second surgery, a follow-up of approximately 1 year for patient 1, there was no clinical evidence of recurrence.

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American Journal of Neuroradiology: 32 (11)
American Journal of Neuroradiology
Vol. 32, Issue 11
1 Dec 2011
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Nasal Cavity Eosinophilic Angiocentric Fibrosis: CT and MR Imaging Findings
B.T. Yang, Y.Z. Wang, X.Y. Wang, Z.C. Wang
American Journal of Neuroradiology Dec 2011, 32 (11) 2149-2153; DOI: 10.3174/ajnr.A2786
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Cite this article
B.T. Yang, Y.Z. Wang, X.Y. Wang, Z.C. Wang
Nasal Cavity Eosinophilic Angiocentric Fibrosis: CT and MR Imaging Findings
American Journal of Neuroradiology Dec 2011, 32 (11) 2149-2153; DOI: 10.3174/ajnr.A2786

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