Division of Neuroradiology, Department of Radiology, Mayo Clinic, USA.
Neuroradiol J. 2021 Jun;34(3):249-252. doi: 10.1177/1971400920978431. Epub 2020 Dec 14.
Torus mandibularis is a benign osseous overgrowth arising from the lingual surface of the mandible. It is a common, incidental finding on imaging due to its relatively high prevalence. In the majority of cases, mandibular tori are asymptomatic. We report a novel presentation of a giant torus mandibularis causing bilateral obstruction of the submandibular ducts and consequent sialadenitis. Our patient presented with progressive pain centered in the floor of his mouth and had bilateral submandibular glandular enlargement on exam. Computed tomography showed a giant right torus mandibularis, which was causing obstruction and dilation of the bilateral submandibular ducts. Although conservative management was attempted, he ultimately underwent surgical resection of his torus with symptomatic improvement. This patient highlights a novel complication of torus mandibularis and illustrates successful treatment. Though not previously described, this complication may be underreported and should be considered in the appropriate clinical setting.
下颌骨弓状突是一种良性骨过度生长，源于下颌骨的舌面。由于其较高的发病率，它是影像学上常见的偶发发现。在大多数情况下，下颌骨弓状突无症状。我们报告了一种新的表现形式，即巨大的下颌骨弓状突导致双侧下颌下腺管阻塞和继发的唾液腺炎。我们的患者表现为逐渐加重的口腔底部疼痛，并在检查时发现双侧下颌下腺肿大。计算机断层扫描显示右侧巨大的下颌骨弓状突，导致双侧下颌下腺管阻塞和扩张。虽然尝试了保守治疗，但他最终接受了手术切除下颌骨弓状突，症状得到改善。该患者突出了下颌骨弓状突的一种新的并发症，并说明了成功的治疗方法。虽然以前没有描述过，但这种并发症可能报告不足，在适当的临床情况下应予以考虑。
