Pub Date : 2019-06-19DOI: 10.11606/ISSN.2357-8041.CLRD.2019.155184
L. Munhoz, Camila Lobato da Silva Costa, Nelson Adami Júnior, S. A. C. Monteiro, E. Arita, P. Watanabe
The triticeal cartilage (TC) is a tiny oval-shaped cartilage located at the lateral border of the thyrohyoid membrane between the hyoid bone greater horn and the thyroid cartilage superior horn. The exact function o TC is unknown; it has been proposed that TC was the site of the attachment for the triticeoglossus muscle. On panoramic radiographs, calcified TC may be observed in the soft tissues of the pharynx region, positioned inferior to the greater horn of the hyoid bone and adjacent to the superior border of the C4 vertebrae. The major concern of a calcified TC found incidentally in a routine radiographic examination is the differentiation between this alteration and other calcified tissue manifestations that require additional investigations, such as carotid calcified atheroma artery or other neck pathology such as foreign bodies. Thus, this report describes 3 cases in which TC calcifications were incidentally found in panoramic radiographs.
{"title":"Triticeal cartilage calcification","authors":"L. Munhoz, Camila Lobato da Silva Costa, Nelson Adami Júnior, S. A. C. Monteiro, E. Arita, P. Watanabe","doi":"10.11606/ISSN.2357-8041.CLRD.2019.155184","DOIUrl":"https://doi.org/10.11606/ISSN.2357-8041.CLRD.2019.155184","url":null,"abstract":"The triticeal cartilage (TC) is a tiny oval-shaped cartilage located at the lateral border of the thyrohyoid membrane between the hyoid bone greater horn and the thyroid cartilage superior horn. The exact function o TC is unknown; it has been proposed that TC was the site of the attachment for the triticeoglossus muscle. On panoramic radiographs, calcified TC may be observed in the soft tissues of the pharynx region, positioned inferior to the greater horn of the hyoid bone and adjacent to the superior border of the C4 vertebrae. The major concern of a calcified TC found incidentally in a routine radiographic examination is the differentiation between this alteration and other calcified tissue manifestations that require additional investigations, such as carotid calcified atheroma artery or other neck pathology such as foreign bodies. Thus, this report describes 3 cases in which TC calcifications were incidentally found in panoramic radiographs.","PeriodicalId":10204,"journal":{"name":"Clinical and Laboratorial Research in Dentistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72814468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-06-19DOI: 10.11606/ISSN.2357-8041.CLRD.2019.155263
Mayara Cheade, L. Munhoz, E. Arita, P. Watanabe
Objectives: to evaluate the correlation of the bone mineral density (BMD) from maxilla and mandible with that of the cervical vertebrae, using Hounsfield units (HU) and multislice computed tomography (CT) to verify whether CT could be a useful osteoporosis screening tool. Methods: 79 multislice CT examinations from patients who underwent CT examinations of maxilla, mandible and cervical vertebrae simultaneously were included. The following left and right anatomical regions were assessed: mandible ramus; mandible head; the area below the inferior first molar and the area below the upper cuspids. HU were measured in each area using a 0.1 cm region of interest (ROI) positioned in the center of the slice. Results: a significant correlation between the cervical spine and the posterior region of the mandible was found, as well as a significant correlation between the anterior maxilla and the cervical spine. However, no correlation was found between the cervical spine and other parts of the mandible, such as ramus and head of mandible. Conclusions: As anterior maxillary bone and posterior mandible bone HU values correlate with cervical bone HU values, this examination may be applied as osteoporosis screening tool.
{"title":"Opportunistic screening for osteoporosis correlating the bone densities of jaws with multislice computed tomography for cervical vertebrae","authors":"Mayara Cheade, L. Munhoz, E. Arita, P. Watanabe","doi":"10.11606/ISSN.2357-8041.CLRD.2019.155263","DOIUrl":"https://doi.org/10.11606/ISSN.2357-8041.CLRD.2019.155263","url":null,"abstract":"Objectives: to evaluate the correlation of the bone mineral density (BMD) from maxilla and mandible with that of the cervical vertebrae, using Hounsfield units (HU) and multislice computed tomography (CT) to verify whether CT could be a useful osteoporosis screening tool. Methods: 79 multislice CT examinations from patients who underwent CT examinations of maxilla, mandible and cervical vertebrae simultaneously were included. The following left and right anatomical regions were assessed: mandible ramus; mandible head; the area below the inferior first molar and the area below the upper cuspids. HU were measured in each area using a 0.1 cm region of interest (ROI) positioned in the center of the slice. Results: a significant correlation between the cervical spine and the posterior region of the mandible was found, as well as a significant correlation between the anterior maxilla and the cervical spine. However, no correlation was found between the cervical spine and other parts of the mandible, such as ramus and head of mandible. Conclusions: As anterior maxillary bone and posterior mandible bone HU values correlate with cervical bone HU values, this examination may be applied as osteoporosis screening tool.","PeriodicalId":10204,"journal":{"name":"Clinical and Laboratorial Research in Dentistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87691009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-06-19DOI: 10.11606/ISSN.2357-8041.CLRD.2019.155434
Ingrid Safira de Freitas Silva, A. Pinto, S. Lopes, J. Mendes, Brenda Castro Rodrigues Ferraz, M. Carvalho, Alan Leandro Carvalho de Farias, A. Costa
Mucoepidermoid carcinoma is of unknown aetiopathology, but it may be related to genetic factors, exposure to ionizing radiation and smoking habits as well. Mucoepidermoid carcinoma is considered the most common malignant neoplasm of salivary glands found in the oral cavity, with its clinical characteristics (e.g., size and shape) favoring the diagnosis and treatment planning. This report describes a case of mucoepidermoid carcinoma which infiltrates into the maxillary sinus and nasal fossa through the palate and highlights the importance of obtaining three-dimensional (3D) images of the tumor for volumetric analysis, thus improving the chances of a successful surgery. We have described the use of the segmentation technique in which the tumor’s volume was calculated to help in predicting surgical outcomes. A 50-year-old patient sought dental treatment because of a purplish swelling in the hard palate region on the left side. Computed tomography examination was performed for visualization of the lesion and incisional biopsy for obtaining a sample, which was sent to anatomopathological study. Histological characteristics of the lesion and presence of neoplastic cells showed positive immunohistochemical reactions for cytokeratin 7 antibody, leading to a diagnosis of mucoepidermoid carcinoma. In view of the malignant characteristics of the lesion, the patient was referred to a head and neck surgeon for treatment.
{"title":"Three-dimensional evaluation of mucoepidermoid carcinoma on the hard palate","authors":"Ingrid Safira de Freitas Silva, A. Pinto, S. Lopes, J. Mendes, Brenda Castro Rodrigues Ferraz, M. Carvalho, Alan Leandro Carvalho de Farias, A. Costa","doi":"10.11606/ISSN.2357-8041.CLRD.2019.155434","DOIUrl":"https://doi.org/10.11606/ISSN.2357-8041.CLRD.2019.155434","url":null,"abstract":"Mucoepidermoid carcinoma is of unknown aetiopathology, but it may be related to genetic factors, exposure to ionizing radiation and smoking habits as well. Mucoepidermoid carcinoma is considered the most common malignant neoplasm of salivary glands found in the oral cavity, with its clinical characteristics (e.g., size and shape) favoring the diagnosis and treatment planning. This report describes a case of mucoepidermoid carcinoma which infiltrates into the maxillary sinus and nasal fossa through the palate and highlights the importance of obtaining three-dimensional (3D) images of the tumor for volumetric analysis, thus improving the chances of a successful surgery. We have described the use of the segmentation technique in which the tumor’s volume was calculated to help in predicting surgical outcomes. A 50-year-old patient sought dental treatment because of a purplish swelling in the hard palate region on the left side. Computed tomography examination was performed for visualization of the lesion and incisional biopsy for obtaining a sample, which was sent to anatomopathological study. Histological characteristics of the lesion and presence of neoplastic cells showed positive immunohistochemical reactions for cytokeratin 7 antibody, leading to a diagnosis of mucoepidermoid carcinoma. In view of the malignant characteristics of the lesion, the patient was referred to a head and neck surgeon for treatment.","PeriodicalId":10204,"journal":{"name":"Clinical and Laboratorial Research in Dentistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82813090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-05-29DOI: 10.11606/ISSN.2357-8041.CLRD.2019.150319
Lucas Morita, Vagner Braga da Silva, Letícia Mayumi Takeda, I. G. G. Choi, Jun Ho Kim, M. Hisatomi, E. Arita
Objective: The aim of this study was to evaluate the radiographic aspects of the major salivary glands in sialography and their grade of inflammation with patients’ individual characteristics. Methods: A total of 30 radiographic images of both parotid and submandibular glands from 25 patients, who underwent sialography examinations, were retrospectively analyzed. Chi-squared test was performed to correlate the grade of inflammation of each area of the salivary glands with the categorical variables: sex, type and side of the affected gland. Pearson correlation was performed to correlate the grade of inflammation between the main duct and the intraglandular duct and the parenchyma. Results: There was no statistically significant relationship between the grade of inflammation of any of the parts of the salivary glands and the categorical variables in the Chi-squared test (p>0.05). The grade of inflammation in the main duct had a weak correlation with the degree of inflammation in the intraglandular duct (p<0.05). Conclusions: Salivary glands affected by obstruction or inflammation are not significantly related to the sex of patients, not to the type or side of the affected gland. The , but sialography examination demonstrated the delicate anatomy of the ductal system and allowed an accurate visualization of sialoliths and strictures that are two of the most common causes of obstruction, showing its important role in the assessment of salivary gland status.
{"title":"Radiographic aspects of major salivary glands in sialography","authors":"Lucas Morita, Vagner Braga da Silva, Letícia Mayumi Takeda, I. G. G. Choi, Jun Ho Kim, M. Hisatomi, E. Arita","doi":"10.11606/ISSN.2357-8041.CLRD.2019.150319","DOIUrl":"https://doi.org/10.11606/ISSN.2357-8041.CLRD.2019.150319","url":null,"abstract":"Objective: The aim of this study was to evaluate the radiographic aspects of the major salivary glands in sialography and their grade of inflammation with patients’ individual characteristics. Methods: A total of 30 radiographic images of both parotid and submandibular glands from 25 patients, who underwent sialography examinations, were retrospectively analyzed. Chi-squared test was performed to correlate the grade of inflammation of each area of the salivary glands with the categorical variables: sex, type and side of the affected gland. Pearson correlation was performed to correlate the grade of inflammation between the main duct and the intraglandular duct and the parenchyma. Results: There was no statistically significant relationship between the grade of inflammation of any of the parts of the salivary glands and the categorical variables in the Chi-squared test (p>0.05). The grade of inflammation in the main duct had a weak correlation with the degree of inflammation in the intraglandular duct (p<0.05). Conclusions: Salivary glands affected by obstruction or inflammation are not significantly related to the sex of patients, not to the type or side of the affected gland. The , but sialography examination demonstrated the delicate anatomy of the ductal system and allowed an accurate visualization of sialoliths and strictures that are two of the most common causes of obstruction, showing its important role in the assessment of salivary gland status.","PeriodicalId":10204,"journal":{"name":"Clinical and Laboratorial Research in Dentistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85544015","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-05-16DOI: 10.11606/ISSN.2357-8041.CLRD.2019.150619
Edgard Michel-Crosato, Maria Gabriel Haye Biazevic, Jaqueline Montoril Sampaio Mota, P. D. Silva
Objetivos: verificar a relação entre frequência de escovação e fatores associados utilizando novas perspectivas de análise de dados em saúde. Materiais e métodos: foi realizado um estudo transversal, com dados coletados da Pesquisa Nacional de Saúde do Escolar 2015 (PeNSE), foi utilizada a regressão de Poisson Multinível e Multivariada e técnica de mineração de dados utilizando a técnica de Árvore de Classificação. Resultados: participaram do estudo 10.231 escolares, sendo 51,3% dos escolares do gênero feminino com idades entre 13 a 18 anos. Na análise multivariada e multinível foi verificada associação entre frequência de escovação e não morar em capitais (RP=1.03); ser do gênero feminino (RP=1.06); ser branco (RP=1.02); idade; e morar em casas com até 4 pessoas (RP=1.03). Na análise de árvore de classificação o gênero foi a variável com maior peso de discriminação. Conclusões: vários fatores foram associados à frequência de escovação e espera-se que os dados subsidiem políticas públicas sobre a questão.
{"title":"Frequência de escovação e fatores associados em adolescentes: novas abordagens","authors":"Edgard Michel-Crosato, Maria Gabriel Haye Biazevic, Jaqueline Montoril Sampaio Mota, P. D. Silva","doi":"10.11606/ISSN.2357-8041.CLRD.2019.150619","DOIUrl":"https://doi.org/10.11606/ISSN.2357-8041.CLRD.2019.150619","url":null,"abstract":"Objetivos: verificar a relação entre frequência de escovação e fatores associados utilizando novas perspectivas de análise de dados em saúde. Materiais e métodos: foi realizado um estudo transversal, com dados coletados da Pesquisa Nacional de Saúde do Escolar 2015 (PeNSE), foi utilizada a regressão de Poisson Multinível e Multivariada e técnica de mineração de dados utilizando a técnica de Árvore de Classificação. Resultados: participaram do estudo 10.231 escolares, sendo 51,3% dos escolares do gênero feminino com idades entre 13 a 18 anos. Na análise multivariada e multinível foi verificada associação entre frequência de escovação e não morar em capitais (RP=1.03); ser do gênero feminino (RP=1.06); ser branco (RP=1.02); idade; e morar em casas com até 4 pessoas (RP=1.03). Na análise de árvore de classificação o gênero foi a variável com maior peso de discriminação. Conclusões: vários fatores foram associados à frequência de escovação e espera-se que os dados subsidiem políticas públicas sobre a questão.","PeriodicalId":10204,"journal":{"name":"Clinical and Laboratorial Research in Dentistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84298531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-05-15DOI: 10.11606/ISSN.2357-8041.CLRD.2019.155624
F. C. Salineiro, Igor Publio Talamoni, Solange Kobayashi Velasco, Fabiana Mesquita Barros, M. Cavalcanti
Metallic objects, such as intracanal posts and restorations, may produce severe interference, thus diminishing the quality of CBCT imaging. Objective: The purpose of this study was to analyze the influence of conventional and bioceramic gutta-percha points on the production of artifacts in CBCT images. Methods: Extracted single- -rooted premolar teeth (n=20) were instrumented and scanned with a CBCT device to create three groups: the Control group, the Gutta-Percha group and the Bioceramic Gutta-Percha group. Two types of analysis were executed: an objective one, using the Region of Interest (ROI) to measure the pixel density of each tooth, and a subjective one, to compare the groups’ images. For the statistical analysis, Student’s t-test, descriptive statistics and the frequency distribution analysis were used for both objective and subjective analyses. Results: The agreement between the observers ranged from moderate to excellent. Similar grayscale values were obtained in both the GP and BCGP groups. These results were endorsed by the p-values obtained with Student’s t test. For the subjective analysis, the observers indicated the BCGP group as the one that developed the highest number of artifacts. Conclusions: Both materials produced artifacts in the CBCT images. However, in the subjective analysis, the BCGP group showed higher levels of artifact production than the GP group, which could result in the misdiagnosis of root fracture and in a worse prognosis for that tooth.
{"title":"Artifact induction by endodontic materials","authors":"F. C. Salineiro, Igor Publio Talamoni, Solange Kobayashi Velasco, Fabiana Mesquita Barros, M. Cavalcanti","doi":"10.11606/ISSN.2357-8041.CLRD.2019.155624","DOIUrl":"https://doi.org/10.11606/ISSN.2357-8041.CLRD.2019.155624","url":null,"abstract":"Metallic objects, such as intracanal posts and restorations, may produce severe interference, thus diminishing the quality of CBCT imaging. Objective: The purpose of this study was to analyze the influence of conventional and bioceramic gutta-percha points on the production of artifacts in CBCT images. Methods: Extracted single- -rooted premolar teeth (n=20) were instrumented and scanned with a CBCT device to create three groups: the Control group, the Gutta-Percha group and the Bioceramic Gutta-Percha group. Two types of analysis were executed: an objective one, using the Region of Interest (ROI) to measure the pixel density of each tooth, and a subjective one, to compare the groups’ images. For the statistical analysis, Student’s t-test, descriptive statistics and the frequency distribution analysis were used for both objective and subjective analyses. Results: The agreement between the observers ranged from moderate to excellent. Similar grayscale values were obtained in both the GP and BCGP groups. These results were endorsed by the p-values obtained with Student’s t test. For the subjective analysis, the observers indicated the BCGP group as the one that developed the highest number of artifacts. Conclusions: Both materials produced artifacts in the CBCT images. However, in the subjective analysis, the BCGP group showed higher levels of artifact production than the GP group, which could result in the misdiagnosis of root fracture and in a worse prognosis for that tooth.","PeriodicalId":10204,"journal":{"name":"Clinical and Laboratorial Research in Dentistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80920346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-04-26DOI: 10.11606/ISSN.2357-8041.CLRD.2019.152964
Daniella Cristo Santin, C. Scotti, M. M. A. C. Velo, F. S. Camim, Rafael Francisco Lia Mondelli, J. F. Bombonatti
O presente relato de caso clínico descreve uma abordagem conservadora para otimização de facetas diretas em resina composta. Para melhoria da anatomia e textura superficial das restaurações antigas, o tratamento baseou-se em um protocolo previsível e reprodutível de acabamento e polimento, o qual garantiu a obtenção de um sorriso equilibrado sem expor a paciente ao ciclo restaurador repetitivo. Inicialmente, a estratégia consistiu na remoção dos excessos de resina, definindo a anatomia primária dos dentes, seguindo a definição dos sulcos verticais e horizontais para mimetizar as características superficiais naturais, proporcionando superfície mais estética e favorável à reflexão de luz. Em adição, o polimento foi conduzido de modo a obter restaurações lisas e brilhantes, que proporcionam maior longevidade aos tratamentos restauradores estéticos.
{"title":"Protocolo de acabamento, texturização e polimento para restaurações diretas em resina composta","authors":"Daniella Cristo Santin, C. Scotti, M. M. A. C. Velo, F. S. Camim, Rafael Francisco Lia Mondelli, J. F. Bombonatti","doi":"10.11606/ISSN.2357-8041.CLRD.2019.152964","DOIUrl":"https://doi.org/10.11606/ISSN.2357-8041.CLRD.2019.152964","url":null,"abstract":"O presente relato de caso clínico descreve uma abordagem conservadora para otimização de facetas diretas em resina composta. Para melhoria da anatomia e textura superficial das restaurações antigas, o tratamento baseou-se em um protocolo previsível e reprodutível de acabamento e polimento, o qual garantiu a obtenção de um sorriso equilibrado sem expor a paciente ao ciclo restaurador repetitivo. Inicialmente, a estratégia consistiu na remoção dos excessos de resina, definindo a anatomia primária dos dentes, seguindo a definição dos sulcos verticais e horizontais para mimetizar as características superficiais naturais, proporcionando superfície mais estética e favorável à reflexão de luz. Em adição, o polimento foi conduzido de modo a obter restaurações lisas e brilhantes, que proporcionam maior longevidade aos tratamentos restauradores estéticos.","PeriodicalId":10204,"journal":{"name":"Clinical and Laboratorial Research in Dentistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80842324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-04-24DOI: 10.11606/ISSN.2357-8041.CLRD.2019.152420
Jaqueline Vaz Vanini, Glauber Bareia Liberato da Rocha, Amanda Caroline Zarpellon, Emiko Saito Arita, Jefferson Xavier de Oliveira
A escolha do tratamento em pacientes com lesões orais malignas depende do estadiamento preciso no pré-tratamento, particularmente, a detecção de linfonodos comprometidos. Portanto, o estadiamento da região cervical deve ser o mais preciso possível. O objetivo do presente estudo é revisar e discutir a literatura sobre a utilização de ressonância magnética para detecção de metástases de carcinoma epidermoide em linfonodos cervicais. Foi pesquisado no MEDLINE, através do PubMed, artigos publicados até 2018, restritos a publicações em inglês. Os critérios de inclusão englobaram artigos originais que analisaram ou discutiram o uso de imagens de ressonância magnética na avaliação de carcinomas de células escamosas da cavidade bucal (SCCOC) e metástases à distância em humanos. Um total de 30 estudos foram considerados elegíveis para inclusão nesta revisão de literatura e reunidos para discussão. Previamente à cirurgia, o exame de ressonância magnética deveria ser aliado ao de PET-CT para uma detecção mais precisa das metástases linfonodais relacionadas ao SCCOC e esses exames deveriam ser repetidos no primeiro dia de pós-operatório. A ressonância magnética tem uma boa resolução para os tecidos moles, portanto, ajuda na determinação do tamanho do tumor, o que pode ser um fator preditivo de metástase. Como os índices de sensibilidade e especificidade ainda não são ideais, a análise histopatológica dos linfonodos ainda é necessária para confirmação da presença de metástases e correto estadiamento da doença.
{"title":"Ressonância magnética para avaliação de metástases de carcinoma epidermoide oral em linfonodos cervicais","authors":"Jaqueline Vaz Vanini, Glauber Bareia Liberato da Rocha, Amanda Caroline Zarpellon, Emiko Saito Arita, Jefferson Xavier de Oliveira","doi":"10.11606/ISSN.2357-8041.CLRD.2019.152420","DOIUrl":"https://doi.org/10.11606/ISSN.2357-8041.CLRD.2019.152420","url":null,"abstract":"A escolha do tratamento em pacientes com lesões orais malignas depende do estadiamento preciso no pré-tratamento, particularmente, a detecção de linfonodos comprometidos. Portanto, o estadiamento da região cervical deve ser o mais preciso possível. O objetivo do presente estudo é revisar e discutir a literatura sobre a utilização de ressonância magnética para detecção de metástases de carcinoma epidermoide em linfonodos cervicais. Foi pesquisado no MEDLINE, através do PubMed, artigos publicados até 2018, restritos a publicações em inglês. Os critérios de inclusão englobaram artigos originais que analisaram ou discutiram o uso de imagens de ressonância magnética na avaliação de carcinomas de células escamosas da cavidade bucal (SCCOC) e metástases à distância em humanos. Um total de 30 estudos foram considerados elegíveis para inclusão nesta revisão de literatura e reunidos para discussão. Previamente à cirurgia, o exame de ressonância magnética deveria ser aliado ao de PET-CT para uma detecção mais precisa das metástases linfonodais relacionadas ao SCCOC e esses exames deveriam ser repetidos no primeiro dia de pós-operatório. A ressonância magnética tem uma boa resolução para os tecidos moles, portanto, ajuda na determinação do tamanho do tumor, o que pode ser um fator preditivo de metástase. Como os índices de sensibilidade e especificidade ainda não são ideais, a análise histopatológica dos linfonodos ainda é necessária para confirmação da presença de metástases e correto estadiamento da doença.","PeriodicalId":10204,"journal":{"name":"Clinical and Laboratorial Research in Dentistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89436495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-04-24DOI: 10.11606/ISSN.2357-8041.CLRD.2019.153233
Ricardo Raitz, Ana Paula Traiano, Milena Bortolloto Felippe Silva
Objetivos: Este estudo teve como objetivo relacionar a presença de espessamento mucoso no assoalho dos seios maxilares a lesões periapicais em dentes posteriores tratados endodonticamente, em função do sexo, idade, elemento e raiz dental. Materiais e métodos: A pesquisa foi constituída por uma amostra com 50 exames de tomografia computadorizada de feixe cônico (TCFC), e 74 elementos dentários. As análises foram realizadas a partir de cortes axial e coronal no software i-CAT® Vision, e as imagens classificadas em quatro grupos: G1: lesões de características difusas; G2: lesões de características circunscritas; G3: lesões de características císticas; e G4: espessamento mucoso do assoalho dos seios maxilares. A distribuição em função do sexo, da presença de espessamento mucoso e das lesões periapicais foram submetidas ao teste do Qui-quadrado ou ao teste Exato de Fisher quando necessário. A idade dos pacientes em função da presença de espessamento mucoso foi analisada pelo teste de Mann-Whitney e, em função das lesões periapicais, foi analisada pelos testes de Kruskal-Wallis e Dunn. Resultados: Não houve diferenças estatisticamente significantes (Qui-quadrado, p=0.5279) entre os sexos, considerando os elementos dentais observados no estudo, nem entre as lesões periapicais em relação à idade (Kruskal-Wallis, p=0.7836). A raiz palatina foi a parte que esteve mais envolvida com lesões periapicais e/ou espessamento mucoso (55,8%). As lesões com características difusas (47.3%) foram mais comuns que as demais. Conclusões: Não houve relação entre espessamento mucoso e lesões periapicais e vice-versa (teste exato de fisher, p=0.0678).
{"title":"Relação entre lesões periapicais e espessamento mucoso dos seios maxilares por meio de tomografia computadorizada de feixe cônico","authors":"Ricardo Raitz, Ana Paula Traiano, Milena Bortolloto Felippe Silva","doi":"10.11606/ISSN.2357-8041.CLRD.2019.153233","DOIUrl":"https://doi.org/10.11606/ISSN.2357-8041.CLRD.2019.153233","url":null,"abstract":"Objetivos: Este estudo teve como objetivo relacionar a presença de espessamento mucoso no assoalho dos seios maxilares a lesões periapicais em dentes posteriores tratados endodonticamente, em função do sexo, idade, elemento e raiz dental. Materiais e métodos: A pesquisa foi constituída por uma amostra com 50 exames de tomografia computadorizada de feixe cônico (TCFC), e 74 elementos dentários. As análises foram realizadas a partir de cortes axial e coronal no software i-CAT® Vision, e as imagens classificadas em quatro grupos: G1: lesões de características difusas; G2: lesões de características circunscritas; G3: lesões de características císticas; e G4: espessamento mucoso do assoalho dos seios maxilares. A distribuição em função do sexo, da presença de espessamento mucoso e das lesões periapicais foram submetidas ao teste do Qui-quadrado ou ao teste Exato de Fisher quando necessário. A idade dos pacientes em função da presença de espessamento mucoso foi analisada pelo teste de Mann-Whitney e, em função das lesões periapicais, foi analisada pelos testes de Kruskal-Wallis e Dunn. Resultados: Não houve diferenças estatisticamente significantes (Qui-quadrado, p=0.5279) entre os sexos, considerando os elementos dentais observados no estudo, nem entre as lesões periapicais em relação à idade (Kruskal-Wallis, p=0.7836). A raiz palatina foi a parte que esteve mais envolvida com lesões periapicais e/ou espessamento mucoso (55,8%). As lesões com características difusas (47.3%) foram mais comuns que as demais. Conclusões: Não houve relação entre espessamento mucoso e lesões periapicais e vice-versa (teste exato de fisher, p=0.0678).","PeriodicalId":10204,"journal":{"name":"Clinical and Laboratorial Research in Dentistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75791455","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-04-23DOI: 10.11606/ISSN.2357-8041.CLRD.2019.152635
J. Tenório, Solange Kobayashi-Velasco, F. Nunes, M. Cavalcanti
Radiographic examinations complement the anamnesis and physical exam with the purpose of reaching diagnosis, prognosis and treatment planning. In this case report, a 48 year-old male Caucasian patient was referred to an oral and maxillofacial surgeon by a general practitioner after a panoramic radiography for treatment planning; the implant surgery follow-up portrayed a multilocular radiolucent image at the left posterior mandible. Based solely on the panoramic radiography, the diagnostic hypothesis was ameloblastoma. The surgeon decided to perform an incisional biopsy. However, during the procedure, the professional noted that the lesion was easily detached from the adjacent bone and opted for the total removal of the lesion, thus altering its diagnostic hypothesis to central ossifying fibroma (COF). The histopathological result confirmed the diagnostic hypothesis provided by the surgeon, i.e. COF. Although multilocular presentation is not common, COF should be considered in the scope of multilocular radiolucent lesions of the jaws. In addition, computerized tomography imaging exam complemented by surgical and histopathological aspects should be considered for establishing the final diagnosis and conducting the therapeutic approach.
{"title":"Radiographic imaging pattern of ossifying fibroma mimicking ameloblastoma","authors":"J. Tenório, Solange Kobayashi-Velasco, F. Nunes, M. Cavalcanti","doi":"10.11606/ISSN.2357-8041.CLRD.2019.152635","DOIUrl":"https://doi.org/10.11606/ISSN.2357-8041.CLRD.2019.152635","url":null,"abstract":"Radiographic examinations complement the anamnesis and physical exam with the purpose of reaching diagnosis, prognosis and treatment planning. In this case report, a 48 year-old male Caucasian patient was referred to an oral and maxillofacial surgeon by a general practitioner after a panoramic radiography for treatment planning; the implant surgery follow-up portrayed a multilocular radiolucent image at the left posterior mandible. Based solely on the panoramic radiography, the diagnostic hypothesis was ameloblastoma. The surgeon decided to perform an incisional biopsy. However, during the procedure, the professional noted that the lesion was easily detached from the adjacent bone and opted for the total removal of the lesion, thus altering its diagnostic hypothesis to central ossifying fibroma (COF). The histopathological result confirmed the diagnostic hypothesis provided by the surgeon, i.e. COF. Although multilocular presentation is not common, COF should be considered in the scope of multilocular radiolucent lesions of the jaws. In addition, computerized tomography imaging exam complemented by surgical and histopathological aspects should be considered for establishing the final diagnosis and conducting the therapeutic approach.","PeriodicalId":10204,"journal":{"name":"Clinical and Laboratorial Research in Dentistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85877032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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