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Conventional and MR-sialography of accessory submandibular glands: A case report
Journal article   Open access   Peer reviewed

Conventional and MR-sialography of accessory submandibular glands: A case report

Ryan P. Sabotin, Joan E. Maley and Henry T. Hoffman
Radiology case reports, Vol.17(12), pp.4766-4768
12/2022
DOI: 10.1016/j.radcr.2022.09.054
PMCID: PMC9535288
PMID: 36212752
url
https://doi.org/10.1016/j.radcr.2022.09.054View
Published (Version of record) Open Access

Abstract

Our review of the literature shows anatomical variation of the submandibular gland is a rare entity, unlike the variation that can be seen in parotid glands. Specifically, bilateral submandibular abnormality has only been reported on one occasion with limited imaging in our review. We report a 78-year-old female with a history of sialadenitis and sialolithiasis who presents with swelling and pain in the right submandibular gland. Sialography of the right submandibular gland disclosed a second primary duct branching off the main duct to a second submandibular gland. Cannulation of the left submandibular duct was unsuccessful due to scarring of the duct orifice; however, subsequent MR sialography identified marked submandibular duct dilation and the incidental finding of a second anteriorly located left submandibular gland. The anatomic detail provided by conventional digital sialography is contrasted to the useful but less-defined imaging provided by MR sialography. To our knowledge, this is the first reported case of bilateral accessory submandibular glands that has been evaluated using both conventional and MR sialography.
 Accessory submandibular gland MR sialography Sialadenitis Sialolithiasis Ultrasound

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