دورية أكاديمية
أعرض في EDS

Craniometric parameters for the evaluation of platybasia and basilar invagination on magnetic resonance imaging: a reproducibility study.

التفاصيل البيبلوغرافية
العنوان: Craniometric parameters for the evaluation of platybasia and basilar invagination on magnetic resonance imaging: a reproducibility study.
المؤلفون: Silva ATPB; Universidade Federal da Paraíba (UFPB), João Pessoa, PB, Brazil., Silva LTPB; Universidade Federal da Paraíba (UFPB), João Pessoa, PB, Brazil., Vieira AENR; Universidade Federal da Paraíba (UFPB), João Pessoa, PB, Brazil., de Melo CIE; Universidade Federal da Paraíba (UFPB), João Pessoa, PB, Brazil., do Nascimento JJC; Universidade Federal de Pernambuco (UFPE), Recife, PE, Brazil., de Mello Júnior CF; Universidade Federal da Paraíba (UFPB), João Pessoa, PB, Brazil., Vasconcelos SC; Universidade Federal da Paraíba (UFPB), João Pessoa, PB, Brazil., de Araújo-Neto SA; Universidade Federal da Paraíba (UFPB), João Pessoa, PB, Brazil.
المصدر: Radiologia brasileira [Radiol Bras] 2020 Sep-Oct; Vol. 53 (5), pp. 314-319.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Colegio Brasileiro De Radiologia Country of Publication: Brazil NLM ID: 1305000 Publication Model: Print Cited Medium: Print ISSN: 0100-3984 (Print) Linking ISSN: 01003984 NLM ISO Abbreviation: Radiol Bras Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: Rio De Janeiro : Colegio Brasileiro De Radiologia
مستخلص: Objective: The present study aims to perform a reproducibility study of the clivus-canal angle (CCA), Welcker's basal angle (WBA), and the distance from the odontoid process to Chamberlain's line (DOCL) on magnetic resonance imaging (MRI).
Materials and Methods: Two medical students and two radiologists respectively evaluated 100 and 50 consecutive MRI scans of adult skulls, selected randomly. Each examiner, working independently and blinded to the previous results, performed readings for each patient on two different occasions. Measurements were performed in T1-weighted sequences acquired in the midsagittal plane. The levels of intraobserver reproducibility and interobserver agreement were evaluated by calculating the intraclass correlation coefficients (ICCs) and the corresponding 95% confidence intervals.
Results: The mean values obtained by the examiners were 150º for the CCA, 130º for the WBA, and 2.5 mm for the DOCL. The ICC for interobserver agreement was 0.980, 0.935, and 0.967, for the CCA, WBA, and DOCL, respectively, for the students, compared with 0.977, 0.941, and 0.982, respectively, for the radiologists, and 0.980, 0.992, and 0.990, respectively, for all of the examiners together. In the analysis of intraobserver agreement, the ICC ranged from 0.929 to 0.959 for the CCA, from 0.918 to 0.964 for the WBA, and from 0.918 to 0.981 for the DOCL.
Conclusion: The measurement of the CCA, WBA, and DOCL appears to show excellent intraobserver reproducibility and interobserver agreement on MRI.
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فهرسة مساهمة: Keywords: Basilar invagination; Cephalometry; Craniovertebral junction; Magnetic resonance imaging; Odontoid process/abnormalities; Reproducibility of results
Local Abstract: [Publisher, Portuguese] Realizar um estudo de reprodutibilidade do ângulo clivocanal (ACC), ângulo basal de Welcker (ABW) e distância do odontoide à linha de Chamberlain (DOLC) em ressonância magnética (RM). [Publisher, Portuguese] Quatro examinadores, dois graduandos de medicina e dois radiologistas, avaliaram, respectivamente, 100 e 50 indivíduos adultos submetidos a RM de crânio, consecutiva e aleatoriamente. Cada um realizou duas leituras para cada paciente em diferentes ocasiões, de forma cega e independente. As análises de concordância intraobservador e interobservador foram realizadas pelo coeficiente de correlação intraclasse (CCI), com intervalo de confiança de 95%. [Publisher, Portuguese] As medidas médias, considerando todos os examinadores, foram: ACC = 150º, ABW = 130º, DOLC = 2,5 mm. A análise interobservador entre os estudantes revelou CCI de 0,980, 0,935 e 0,967 para ACC, ABW e DOLC, respectivamente, e para os radiologistas, CCI de 0,977, 0,941 e 0,982, respectivamente. A análise interobservador entre estudantes e radiologistas revelou CCI de 0,980, 0,992 e 0,990, respectivamente. Em relação à análise intraobservador, as medidas do ACC tiveram CCI variando entre 0,929 e 0,959, ABW entre 0,918 e 0,964 e DOLC entre 0,918 e 0,981. [Publisher, Portuguese] ACC, ABW e DOLC obtiveram excelentes reprodutibilidades intraobservador e interobservador na RM.
تواريخ الأحداث: Date Created: 20201019 Latest Revision: 20220417
رمز التحديث: 20240829
مُعرف محوري في PubMed: PMC7545739
DOI: 10.1590/0100-3984.2019.0068
PMID: 33071375
قاعدة البيانات: MEDLINE
الوصف
تدمد:0100-3984
DOI:10.1590/0100-3984.2019.0068