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Case Reports
. 1992 Sep;33(5):414-9.

CT appearances of normal and obstructed submandibular duct

S Aasen  1 , A Kolbenstvedt
Affiliations
  • PMID: 1389646
Case Reports

CT appearances of normal and obstructed submandibular duct

S Aasen et al. Acta Radiol. 1992 Sep.

Abstract

CT scans of 40 patients without pathology in the floor of the mouth or the submandibular glands were reviewed. Intraglandular ducts were visualized in 27 and extraglandular ducts in 3 patients. The CT appearances of dilated submandibular ducts are described in 4 patients with proven causes of obstruction. Widening of the narrow gutter between the mylohyoid and hyoglossus muscles in one scan level is a prominent feature. An intra- or extraglandular duct diameter of 3 mm or more indicates possible obstruction, and the CT images should be scrutinized to reveal the cause.

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