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. 2013:2013:417052.
doi: 10.1155/2013/417052. Epub 2013 Jul 25.

Magnetic resonance sialography findings of submandibular ducts imaging

Nezahat Karaca Erdoğan  1 , Canan Altay, Nesibe Ozenler, Tuğba Bozkurt, Engin Uluç, Berna Dirim Mete, Ismail Ozdemir
Affiliations

Magnetic resonance sialography findings of submandibular ducts imaging

Nezahat Karaca Erdoğan et al. Biomed Res Int. 2013.

Abstract

Purpose: We aimed to assess the problem solving capability of magnetic resonance sialography (MR sialography), a noninvasive method for imaging submandibular gland ducts and determining duct-related pathologies, by comparing diseased and healthy cases.

Materials and methods: We conducted radiological assessment on a total of 60 submandibular glands (mean age 44.7) in 20 cases and 10 volunteers. MR sialography examinations were conducted with single-shot fast spin-echo sequence by using a surface coil placed on the submandibular gland. Each gland was evaluated in terms of the length, width and stricture of the main duct, as well as the difference between the intraparenchymal duct width, and the main duct width. Statistical analysis was performed.

Results: In the MR sialography the primary duct mean length was determined as 51 mm (40-57 mm) in all submandibular glands. On the MR sialography imaging, the visualization ratio of the ductal system of submandibular gland was evaluated in the cases and volunteers.

Conclusion: MR sialography is an effective and a noninvasive method in imaging submandibular gland ducts, demonstrating the presence, location and degree of stricture/dilatation, and elucidating the disease etiology.

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Figures

Figure 1
Figure 1
Submandibular gland ducts by MR sialography. 1: primary, 2: secondary, and 3: tertiary branches.
Figure 2
Figure 2
Ducts of Rivinus crossing the main submandibular gland duct vertically (arrows) in MR sialography examination.
Figure 3
Figure 3
Dilatation and stricture in the ducts of submandibular gland consistent with chronic sialadenitis on MR sialography images.
Figure 4
Figure 4
Axial T2-weighted MR image (a) and MR sialography (b) images show the stone located in the right submandibular gland main distal of the duct.
Figure 5
Figure 5
Amputation in the secondary branches of the left submandibular gland in the case with Sjögren's syndrome, pruned tree appearance (arrows) on MR sialography images.
See this image and copyright information in PMC

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