上海口腔医学

上海口腔医学 ›› 2022, Vol. 31 ›› Issue (4): 439-444.doi: 10.19439/j.sjos.2022.04.020

• 论著 • 上一篇    下一篇

Stafne骨腔影像学特征：基于CBCT的回顾性分析

黄锦程, 赵华强, 李国菊   

  1. 山东大学齐鲁医学院口腔医学院·口腔医院 放射科,山东省口腔组织再生重点实验室,山东省口腔生物材料与组织再生工程实验室,山东 济南 250012
  • 收稿日期:2021-09-24 修回日期:2021-11-15 出版日期:2022-08-25 发布日期:2022-08-30
  • 通讯作者: 李国菊,E-mail：liguojv3@sdu.edu.cn
  • 作者简介:黄锦程（1994-）,男,硕士,E-mai：2437307131@qq.com

Imaging characteristic of Stafne bone cavity：a retrospective study based on cone-beam CT

HUANG Jin-cheng, ZHAO Hua-qiang, LI Guo-ju   

  1. Department of Radiology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration. Jinan 250012, Shandong Province, China
  • Received:2021-09-24 Revised:2021-11-15 Online:2022-08-25 Published:2022-08-30

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摘要： 目的: 总结分析Stafne骨腔病例的锥形束CT（CBCT）影像学特征,以有效指导此类疾病的临床决策。方法: 收集山东大学口腔医院收治的6例Stafne骨腔病例,对其CBCT影像数据进行测量分析,分别记录其年龄、性别、主诉、病变位置、长宽高三径、多层面重建 （multiplanar reconstruction,MPR）三层面最大横截面积、内容物灰度、形态分类及与下颌神经管之间的关系等。结果: 6例患者均由CBCT检查无意发现。骨腔均位于下颌磨牙区后部及下颌角前部偏舌侧、下颌骨下缘与下颌神经管之间,呈类椭圆形,其长轴与下颌骨长轴相一致,平均长径（16.43±4.54） mm、宽径（6.91±1.48） mm、高径（10.24±2.10） mm。MPR层面中,骨腔最大横断面面积（91.93±25.52） mm2,最大冠状面面积（57.26±23.23） mm2,最大矢状面面积（127.80±51.22） mm2。按骨腔边缘线与颊侧骨皮质关系进行分类,Ⅰ型骨腔2例、Ⅱ型骨腔3例、Ⅲ型骨腔1例。根据矢状面上骨腔边界与下颌骨下缘及下颌神经管之间的相对位置,将骨腔与周围解剖结构的连接关系分为连通、毗邻、远离3种情况;而CBCT校正后,骨腔中心灰度可初步鉴别内容物类型。结论: CBCT可对Stafne骨腔作出较为直观明确的诊断,影像学表现对早期临床决策具有重大参考意义,可避免不必要的手术,减少额外医疗资源浪费及患者身心创伤。

关键词: Stafne骨腔, 锥形束CT, 静止性骨腔

Abstract: PURPOSE: To guide clinical decision-making more efficiently via collecting and analyzing the imaging data of patients with Stafne bone cavity(SBC). METHODS: Six patients with SBC were retrospectively reviewed in Stomatological Hospital of Shandong University. By assessing cone-beam CT (CBCT) data, age, sex, complaint, cavity location, diameter at three dimension, maximal cross-sectional area of multi-planar reconstruction planes, content gray scale, morphological classification and its relationship with mandibular canal were recorded respectively. RESULTS: A total of 6 cases were inadvertently found on CBCT, with no symptoms. The locations of SBC were between mandibular molar region and mandibular angle, inferior border of mandible and mandibular canal, mostly at lingual side. Three were on the left and three were on the right. The bone cavity was elliptic and its long axis was consistent with the long axis of the mandible, with an average long axis diameter of (16.43±4.54) mm, horizontal axis diameter of (6.91±1.48) mm, vertical axis diameter of (10.24±2.10) mm. According to the multi-planar reconstruction planes readings, the maximal cross-sectional area of the bone cavity was (91.93±25.52) mm2, the maximal coronal area was (57.26±23.23) mm2, and the maximal sagittal area was (127.80±51.22) mm2. In view of the classification in the relationship between SBC marginal line and buccal cortical bone, there were 2 cases of type I cavity, 3 cases of type II cavity and 1 case of type III cavity. The connection between the bone cavity and the surrounding anatomical structure was classified into 3 conditions: covering penetration, adjacency and separation on the basis of the relative position between the cavity boundary with the mandibular inferior margin and the mandibular canal in sagittal plane. In addition, the content type could be primarily identified depending on estimation of corrected grey scale in the center of bone cavity. CONCLUSIONS: CBCT can make an intuitive and clear diagnosis of Stafne bone cavity, which brings great significance into the early clinical decision-making, thus not only avoiding unnecessary surgery, reducing the waste of additional medical resources, but also decreasing the physical and mental trauma of patients.

Key words: Stafne bone cavity, Cone-beam CT, Static bone cavity

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