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Enigmatic Formations Found in Routine Orthopantomography (OPG) Examinations: A Case Report

We describe two clinical cases of occasional radiographic findings on orthopantomography (OPG) that were performed routinely, for which the definitive diagnosis may be uncertain. After an accurate remote and recent anamnesis, for reasons of exclusion, we hypothesize a rare case of the retention of a...

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Autores principales: Nocini, Riccardo, Sacchetto, Luca, Zarantonello, Morris, Pardo, Alessia, Bonioli, Michele, De Santis, Daniele
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10001135/
https://www.ncbi.nlm.nih.gov/pubmed/36899984
http://dx.doi.org/10.3390/diagnostics13050840
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author Nocini, Riccardo
Sacchetto, Luca
Zarantonello, Morris
Pardo, Alessia
Bonioli, Michele
De Santis, Daniele
author_facet Nocini, Riccardo
Sacchetto, Luca
Zarantonello, Morris
Pardo, Alessia
Bonioli, Michele
De Santis, Daniele
author_sort Nocini, Riccardo
collection PubMed
description We describe two clinical cases of occasional radiographic findings on orthopantomography (OPG) that were performed routinely, for which the definitive diagnosis may be uncertain. After an accurate remote and recent anamnesis, for reasons of exclusion, we hypothesize a rare case of the retention of a contrast medium in the parenchyma of the major salivary glands (parotid, submandibular, and sublingual) and their excretory ducts as a consequence of sialography examination. In the first case we analyzed, we found it difficult to classify the radiographic signs on the sublingual glands, left parotid, and submandibular, while in the second case, only the right parotid was involved. Using CBCT, the spherical findings were highlighted, with multiple having different dimensions, as well as radiopaque in their peripheral portion and more radiolucent inside them. We could immediately exclude salivary calculi, which usually have a more elongated/ovoid shape and appear homogeneously radiopaque without radiolucency areas. These two cases (of hypothetic medium contrast retention with unusual and atypical clinical-radiographic presentation) have very rarely been comprehensively and correctly documented in the literature. No papers have a follow-up longer than 5 years. We conducted a review of the literature on the PubMed database, finding only six articles reporting similar cases. Most of them were old articles, demonstrating the low frequency of this phenomenon. The research was performed using the following keywords: “sialography”, “contrast medium”, “retention” (six papers) and “sialography”, and “retention” (13 papers). Some articles were present in both searches, and the really significant ones (defined after a careful reading of the entire article and not only of the abstract) resulted only in six occurrences in a time span from 1976 to 2022.
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spelling pubmed-100011352023-03-11 Enigmatic Formations Found in Routine Orthopantomography (OPG) Examinations: A Case Report Nocini, Riccardo Sacchetto, Luca Zarantonello, Morris Pardo, Alessia Bonioli, Michele De Santis, Daniele Diagnostics (Basel) Case Report We describe two clinical cases of occasional radiographic findings on orthopantomography (OPG) that were performed routinely, for which the definitive diagnosis may be uncertain. After an accurate remote and recent anamnesis, for reasons of exclusion, we hypothesize a rare case of the retention of a contrast medium in the parenchyma of the major salivary glands (parotid, submandibular, and sublingual) and their excretory ducts as a consequence of sialography examination. In the first case we analyzed, we found it difficult to classify the radiographic signs on the sublingual glands, left parotid, and submandibular, while in the second case, only the right parotid was involved. Using CBCT, the spherical findings were highlighted, with multiple having different dimensions, as well as radiopaque in their peripheral portion and more radiolucent inside them. We could immediately exclude salivary calculi, which usually have a more elongated/ovoid shape and appear homogeneously radiopaque without radiolucency areas. These two cases (of hypothetic medium contrast retention with unusual and atypical clinical-radiographic presentation) have very rarely been comprehensively and correctly documented in the literature. No papers have a follow-up longer than 5 years. We conducted a review of the literature on the PubMed database, finding only six articles reporting similar cases. Most of them were old articles, demonstrating the low frequency of this phenomenon. The research was performed using the following keywords: “sialography”, “contrast medium”, “retention” (six papers) and “sialography”, and “retention” (13 papers). Some articles were present in both searches, and the really significant ones (defined after a careful reading of the entire article and not only of the abstract) resulted only in six occurrences in a time span from 1976 to 2022. MDPI 2023-02-22 /pmc/articles/PMC10001135/ /pubmed/36899984 http://dx.doi.org/10.3390/diagnostics13050840 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Case Report
Nocini, Riccardo
Sacchetto, Luca
Zarantonello, Morris
Pardo, Alessia
Bonioli, Michele
De Santis, Daniele
Enigmatic Formations Found in Routine Orthopantomography (OPG) Examinations: A Case Report
title Enigmatic Formations Found in Routine Orthopantomography (OPG) Examinations: A Case Report
title_full Enigmatic Formations Found in Routine Orthopantomography (OPG) Examinations: A Case Report
title_fullStr Enigmatic Formations Found in Routine Orthopantomography (OPG) Examinations: A Case Report
title_full_unstemmed Enigmatic Formations Found in Routine Orthopantomography (OPG) Examinations: A Case Report
title_short Enigmatic Formations Found in Routine Orthopantomography (OPG) Examinations: A Case Report
title_sort enigmatic formations found in routine orthopantomography (opg) examinations: a case report
topic Case Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10001135/
https://www.ncbi.nlm.nih.gov/pubmed/36899984
http://dx.doi.org/10.3390/diagnostics13050840
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