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KMID : 1024020240540010115
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Imaging Science in Dentistry
2024 Volume.54 No. 1 p.115 ~ p.120
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Multislice computed tomography demonstrating mental nerve paresthesia caused by periapical infection: A case report
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Kim Yong-Min
Choi Ho-Keun
Kim Jo-Eun
Han Jeong-Joon
Huh Kyung-Hoe
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Abstract
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Components derived from an infected lesion within the bone can spread through various passages in the mandible, particularly via the mental foramen. Radiologically, the spread of infection is typically nonspecific and challenging to characterize; however, multislice computed tomography (MSCT) can effectively detect pathological changes in soft tissues and the bone marrow space. This report describes the case of a 55-year-old woman who experienced mental nerve paresthesia due to a periapical infection of the right mandibular second premolar. MSCT imaging revealed increased attenuation around the periapical lesion extending into the mandibular canal and loss of the juxta- mental foraminal fat pad. Following endodontic treatment of the tooth suspected to be the source of the infection, the patient’s symptoms resolved, and the previous MSCT imaging findings were no longer present. Increased bone marrow attenuation and obliteration of the fat plane in the buccal aspect of the mental foramen may serve as radiologic indicators of inflammation spreading from the bone marrow space.
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KEYWORD
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Multidetector Computed Tomography, Mental Foramen, Mandibular Nerve, Paresthesia, Periapical Disease
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