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KMID : 1024020230530020161
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Imaging Science in Dentistry
2023 Volume.53 No. 2 p.161 ~ p.168
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Appearance of nasopalatine duct cysts on dental magnetic resonance imaging using a mandibular coil: Two case reports with a literature review
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Adib Al-Haj Husain
Daphne Schonegg
Silvio Valdec
Bernd Stadlinger
Marco Piccirelli
Sebastian Winklhofer
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Abstract
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Nasopalatine duct cysts (NPDCs), the most common non-odontogenic cysts of maxilla, are often incidental findings on diagnostic imaging. When symptomatic, they usually present as a painless swelling with possible fistula. Conventional radiography shows a round-to-ovoid or heart-shaped radiolucency between the roots of central maxillary incisors. While the radiographic features of NPDCs in X-ray-based modalities have been well described, their magnetic resonance imaging (MRI) features have rarely been reported. Developments in dental MRI in recent years and the introduction of various dental MRI protocols now allow a wide range of applications in dental medicine. MRI is becoming an important tool for the detection and diagnosis of incidental or non-incidental dentomaxillofacial cysts. This report presented and discussed the characteristics of 2 NPDC cases visualized on MRI using both conventional and newly implemented specific dental MRI protocols with a novel 15-channel mandibular coil, demonstrating the use of these protocols for radiation-free maxillofacial diagnoses.
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KEYWORD
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Cysts, Magnetic Resonance Imaging, Dentistry, Surgery, Oral, Oral Surgical Procedures
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