Department of Radiology, Middlemore Hospital, Counties Manakau, PO Box 93311, Private Bag, Otahuhu, Auckland, New Zealand.
Eur Radiol. 2010 Jun;20(6):1442-9. doi: 10.1007/s00330-009-1666-1. Epub 2009 Nov 27.
We see a high incidence of plunging ranulas, particularly in Maori and Polynesian populations. We have investigated the usefulness of ultrasound in the diagnosis and management of plunging ranulas and present our findings.
Thirty-three new cases were examined over 4 years (June 2004 to October 2008).
High-resolution ultrasound was very successful in determining the extent of the plunging ranula, confirming the cystic nature of the lesion, assessing the status of the mylohyoid muscle (a defect demonstrated in 100% of our cases) and evaluating the sublingual gland for rupture or herniation. Correlation with surgical findings was available for 30 cases. There was excellent ultrasonographic and surgical correlation, particularly with respect to submandibular space cystic collection (29 of 30 cases, 96.7%) and mylohyoid defects (27 of 30 cases, 90%).
With the considerations of cost, accessibility and the fact that many of our patients are young (median of 20 years), ultrasound is recommended as the preferred examination for plunging ranula.
我们发现，特别是在毛利人和波利尼西亚人群中，舌下腺囊肿的发病率很高。我们已经研究了超声在诊断和治疗潜入性舌下腺囊肿中的作用，并提出了我们的发现。
在 4 年期间（2004 年 6 月至 2008 年 10 月）共检查了 33 例新病例。
高分辨率超声在确定潜入性舌下腺囊肿的范围、证实病变的囊性性质、评估下颌舌骨肌状态（我们的所有病例均存在缺陷）以及评估舌下腺是否破裂或疝出方面非常成功。30 例可获得与手术结果的相关性。超声检查与手术结果具有极好的相关性，特别是在颌下间隙囊性积聚（30 例中有 29 例，96.7%）和下颌舌骨肌缺陷（30 例中有 27 例，90%）方面。
考虑到成本、可及性以及我们的许多患者都很年轻（中位数为 20 岁），建议将超声作为潜入性舌下腺囊肿的首选检查方法。
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