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Unusual ghost image in a panoramic radiograph. 2011

Sreenivasan Venkatraman, and J S Gowda, and N Kamarthi
Department of Oral Medicine & Radiology, Subharti Dental College, NH-58, Subhartipuram, Meerut, India. drsreenivenkat@gmail.com

A panoramic radiograph was taken for a 9-year-old female patient with her earrings on; thus, artefactual shadows were cast on the radiograph. In addition to the two real images of the earrings, three additional images were seen corresponding to ghost images of the earrings. They were unusual not only in appearance but also because there were three in number. This paper discusses the cause of such images as it revisits the principles of panoramic radiology with respect to ghost images.

UI MeSH Term Description Entries
D011862 Radiography, Panoramic Extraoral body-section radiography depicting an entire maxilla, or both maxilla and mandible, on a single film. Orthopantomography,Panoramic Radiography,Pantomography,Orthopantomographies,Panoramic Radiographies,Pantomographies,Radiographies, Panoramic
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D004431 Ear, External The outer part of the hearing system of the body. It includes the shell-like EAR AURICLE which collects sound, and the EXTERNAL EAR CANAL, the TYMPANIC MEMBRANE, and the EXTERNAL EAR CARTILAGES. External Ear,Outer Ear,Ear, Outer,Ears, External,Ears, Outer,External Ears,Outer Ears
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D016477 Artifacts Any visible result of a procedure which is caused by the procedure itself and not by the entity being analyzed. Common examples include histological structures introduced by tissue processing, radiographic images of structures that are not naturally present in living tissue, and products of chemical reactions that occur during analysis. Artefacts,Artefact,Artifact
D055498 Jewelry Objects of precious metal usually containing gems and worn to enhance personal appearance. Health concerns include possible contamination from lead content or bacteria. Jewelries

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