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1.
Acad Radiol ; 29(1): 158-165, 2022 01.
Artigo em Inglês | MEDLINE | ID: mdl-33162317

RESUMO

RATIONALE AND OBJECTIVES: To assess the anticipated impact of the change in United States Medical Licensing Examination Step 1 scoring from numerical to pass or fail on the future selection of radiology residents. MATERIALS AND METHODS: An anonymous electronic 14-item survey was distributed to 308 members of the Association of Program Directors in Radiology and included questions regarding the anticipated importance of various application metrics when Step 1 becomes pass or fail. Secondary analyses compared responses based on the current use of a Step 1 scoring screen. RESULTS: Eighty eight respondents (28.6% [88/308]) completed the survey. Most (64% [56/88]) noted that the United States Medical Licensing Examination Step 2 Clinical Knowledge (CK) score will likely be one of the top three most important factors in assessing applicants, followed by class ranking or quartile (51% [45/88]) and the Medical Student Performance Evaluation/Dean's Letter (42% [37/88]). Over 90% (82/88) of respondents anticipate potentially or definitively requiring Step 2 CK scores before application review, and 50% (44/88) of respondents anticipate extending interview invites at a later date to receive Step 2 CK scores. These results did not significantly differ between programs who currently use a Step 1 scoring screen and those who do not. CONCLUSION: As Step 1 transitions from a numerical score to pass or fail, radiology residency program directors will likely rely on Step 2 CK scores as an objective and standardized metric to screen applicants. Further investigation is needed to identify other objective metrics to evaluate applicants before Step 1 becomes pass or fail.


Assuntos
Internato e Residência , Radiologia , Avaliação Educacional , Humanos , Licenciamento , Radiologia/educação , Inquéritos e Questionários , Estados Unidos
2.
Curr Probl Diagn Radiol ; 50(5): 629-636, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-32654835

RESUMO

PURPOSE: The relationship of magnetic resonance imaging (MRI) measures of rotator cuff intramuscular fatty infiltration (FI) to shoulder range of motion (ROM) and strength are not well understood. Our purpose was to determine if supraspinatus quantitative Dixon fat fraction has superior correlation to shoulder ROM and strength as compared to semiquantitative Goutallier grade. METHODS: Thirty-seven study subjects received shoulder MRI; and measurement of ipsilateral shoulder forward flexion ROM, abduction ROM and abduction strength. Supraspinatus Dixon fat fraction was measured on 6-point Dixon MRI by 2 diagnostic radiology residents. Supraspinatus Goutallier grade was assessed on T1-weighted MRI by 2 musculoskeletal radiologists. Questionnaires recorded demographics. Based on characteristics, study subjects were divided into 3 groups: Group 1, neither shoulder pain nor full-thickness supraspinatus tendon (SST) tear (n = 17; mean age, 63.0 ± 10.1 years); Group 2, positive complaint of shoulder pain but without full-thickness SST tear (n = 7; mean age, 57.4 ± 9.9 years); Group 3, positive complaint of shoulder pain and full-thickness SST tear (n = 13; mean age, 63.6 ± 8.1 years). One-way analysis of variance compared groups. Spearman (rho) rank order correlation was performed to determine correlation of supraspinatus Dixon fat fraction, or Goutallier grade, with measures of ROM and strength for the study population. Reliability analyses were performed for Dixon fat fraction and Goutallier grade. RESULTS: No significant differences were present among groups for age. Significant differences existed among groups for forward flexion ROM (P= 0.001), abduction ROM (P < 0.001), Dixon fat fraction (P = 0.004) and Goutallier grade (P = 0.012). Dixon fat fraction showed statistically significant inverse correlations with forward flexion ROM (rho = -0.47; P = 0.005), abduction ROM (rho = -0.35, P = 0.041), and abduction strength (rho = -0.42; P = 0.013). Goutallier grade demonstrated weak inverse correlation that lacked statistical significance (P > 0.05) for the same measures. Dixon fat fraction showed strong interobserver and intraobserver reliability with intraclass correlation coefficients of 0.956 and 0.999, respectively. Goutallier grade showed poor interobserver (kappa, 0.188) and moderate intraobserver (kappa, 0.608) reliability. CONCLUSION: Supraspinatus Dixon fat fraction has superior correlation to shoulder ROM and strength relative to Goutallier grade on MRI.


Assuntos
Lesões do Manguito Rotador , Manguito Rotador , Humanos , Imageamento por Ressonância Magnética , Pessoa de Meia-Idade , Projetos Piloto , Amplitude de Movimento Articular , Reprodutibilidade dos Testes , Manguito Rotador/diagnóstico por imagem , Lesões do Manguito Rotador/diagnóstico por imagem , Ombro/diagnóstico por imagem
3.
AJR Am J Roentgenol ; 213(6): 1307-1314, 2019 12.
Artigo em Inglês | MEDLINE | ID: mdl-31509429

RESUMO

OBJECTIVE. The purpose of this study was to determine the relationship of supraspinatus fat fraction and Goutallier grade to the American Shoulder and Elbow Surgeons (ASES) score in cohorts of older adults with painful full-thickness supraspinatus tendon (SST) tear and control subjects. SUBJECTS AND METHODS. Seventeen control subjects and 15 study participants with painful full-thickness SST tear were prospectively recruited (mean age ± SD, 63.0 ± 10.1 years and 62.6 ± 9.0 years, respectively). Study participants received shoulder MRI and completed ASES questionnaires at one time. Goutallier grade was assessed on T1-weighted MRI. Fat fraction was measured on 6-point Dixon MRI. Body mass index (BMI) was determined. Descriptive, correlation, reliability, and regression analyses were performed. RESULTS. The control and painful full-thickness SST tear cohorts differed in mean supraspinatus fat fraction (3.3% ± 1.4% and 7.3 ± 5.9%, respectively; p = 0.024) and Goutallier grade (0.4 ± 0.5 and 0.9 ± 0.7, respectively; p = 0.022). Fat fraction (p = 0.014) and Goutallier grade (p = 0.017) showed a significant inverse association with ASES score only in the SST tear cohort. The association of BMI to ASES score was significant only in the control group (p = 0.036). The correlation between BMI and fat fraction were different for the two groups (control cohort, r = 0.676 and p = 0.003; SST tear cohort, r = 0.124 and p = 0.687). Fat fraction showed strong interobserver reliability (intraclass correlation coefficient, 0.903); Goutallier grade showed poor interobserver reliability (κ = 0.178). CONCLUSION. The association of ASES score and supraspinatus fat fraction or Goutallier grade differs between patients with painful full-thickness SST tear and control subjects without symptoms. Although fat fraction shows strong reliability, Goutallier grade should be regarded cautiously because of suboptimal reproducibility. Our results also suggest that painful full-thickness SST tear alters the correlation between supraspinatus fat fraction and BMI as compared with control subjects.


Assuntos
Tecido Adiposo/diagnóstico por imagem , Imageamento por Ressonância Magnética/métodos , Lesões do Manguito Rotador/diagnóstico por imagem , Tecido Adiposo/patologia , Idoso , Estudos de Casos e Controles , Estudos Transversais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Medição da Dor , Projetos Piloto , Estudos Prospectivos , Lesões do Manguito Rotador/patologia , Autorrelato , Inquéritos e Questionários
4.
Acad Radiol ; 25(9): 1219-1226, 2018 09.
Artigo em Inglês | MEDLINE | ID: mdl-29631928

RESUMO

RATIONAL AND OBJECTIVES: This study aimed to assess resident, fellow, and fellowship director perceptions of the musculoskeletal (MSK) radiology fellowship application process. MATERIALS AND METHODS: A task group constructed three surveys with questions about current and "ideal" fellowship application and selection processes. Surveys were distributed to MSK fellowship directors, who were also asked to give separate surveys to current fellows. US and Canadian radiology residency directors were asked to distribute surveys to current R3 and R4 residents. Responses were tabulated and analyzed. RESULTS: Responses were received from 47 MSK fellowship directors, 73 MSK fellows, and 147 residents. Fellowship directors and fellows reported that most fellowship offers occur between July and September of the R3 year, although 19% of directors made offers as early as the R2 year. Of the 43 director respondents, 31 (72%) noted "pressure from other programs" as the main driving force behind their policies, but 28 (65%) felt that their timelines were "too early." A formal match was supported by 55% of responding fellowship directors, 57% of fellows, and 61.9% of residents, citing "fairness" as a major justification. CONCLUSIONS: MSK radiology fellowship selection occurs as early as the R2 year, before many residents have had substantial exposure to different subspecialties. An "arms race" has developed with programs moving their timelines earlier in response to the actions of other programs, presumably to avoid missing the best candidates. Although a majority of respondents would support a formalized match to increase fairness, there is not universal agreement that it would be the best approach.


Assuntos
Bolsas de Estudo , Internato e Residência , Sistema Musculoesquelético/diagnóstico por imagem , Seleção de Pessoal/organização & administração , Radiologia/educação , Canadá , Humanos , Política Organizacional , Percepção , Inquéritos e Questionários , Fatores de Tempo
5.
Acad Radiol ; 25(6): 767-773, 2018 06.
Artigo em Inglês | MEDLINE | ID: mdl-29545024

RESUMO

To the best of our knowledge, there is little available organized advice for diagnostic radiology residency program directors and their programs regarding resident recruitment. We are a group of current and former program directors who are current vice chairs for education and continue to advise and to mentor many educators. We have constructed this article along the yearly schedule of trainee recruitment, including an application review, interviews, and troublesome trends that we have observed.


Assuntos
Internato e Residência , Radiologia/educação , Critérios de Admissão Escolar , Educação/métodos , Humanos , Internato e Residência/métodos , Internato e Residência/organização & administração , Desenvolvimento de Programas , Ensino , Estados Unidos
6.
Acad Radiol ; 25(6): 774-779, 2018 06.
Artigo em Inglês | MEDLINE | ID: mdl-29573935

RESUMO

Applicants to diagnostic radiology residencies often obtain advice regarding the process, typically from local individuals. Materials available on the Internet contribute to this process as well. We are a group of current and former Diagnostic Radiology Residency Program Directors and current Vice Chairs for Education who commonly advise medical students, including regarding radiology as a career. This work is meant to provide a "plain talk" resource for those considering a career in radiology via a radiology residency, written from the point of view of an advisor with lots of experience.


Assuntos
Escolha da Profissão , Internato e Residência , Radiologia/educação , Educação/métodos , Humanos , Internato e Residência/métodos , Internato e Residência/organização & administração , Desenvolvimento de Programas , Critérios de Admissão Escolar , Estudantes de Medicina/psicologia , Ensino , Estados Unidos
9.
Radiology ; 279(2): 645-9, 2016 May.
Artigo em Inglês | MEDLINE | ID: mdl-27089192

RESUMO

History A 50-year-old woman presented with a 6-month history of polyarthralgia involving the left and right hands, wrists, elbows, ankles, and knees. Her pain was not associated with morning stiffness but did worsen over the course of the day. She denied experiencing fevers, chills, or mouth ulcers. She did not report paresthesias or blue discoloration of her fingers when they were exposed to cold. Her family history was remarkable for an aunt who died of systemic lupus erythematosus and for a brother with arthritis. Her medical history was remarkable for vitamin D deficiency, hypertension, and rehabilitation for burns. At clinical examination, she had mild tenderness to palpation of her joints, without associated erythema, swelling, or crepitus. Healed skin grafts were also noted. Blood chemistry tests revealed a rheumatoid factor of 8.5 IU/mL (normal range, 0-13.9 IU/mL), an erythrocyte sedimentation rate of 2 mm/hr (normal range, 0-40 mm/hr), and a C-reactive protein value of 0.4 mg/L (3.8 nmol/L) (normal range, 0-4.9 mg/L [0-46.7 nmol/L]). Antinuclear antibodies test results were negative. Radiography of the right and left hands was performed.


Assuntos
Acro-Osteólise/etiologia , Anquilose/etiologia , Queimaduras/complicações , Articulações dos Dedos/diagnóstico por imagem , Acro-Osteólise/diagnóstico por imagem , Anquilose/diagnóstico por imagem , Feminino , Humanos , Pessoa de Meia-Idade , Radiografia
10.
Qual Manag Health Care ; 24(1): 38-44, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-25539489

RESUMO

BACKGROUND: Since most radiologists do not meet with patients, questionnaires often substitute for face-to-face interviews to collect patients' history. We report the effect of direct radiologist-patient interviews on the quality of patient history recorded for musculoskeletal magnetic resonance imaging. METHODS: Magnetic resonance imaging questionnaires completed by outpatients were separated into 2 cohorts: (1) imaging center (IC) forms with no radiologist interviews; (2) hospital (H) forms with radiologist-patient interviews. Three blinded radiologists independently scored each questionnaire for quality on a 5-point scale. A separate quantitative analysis was also performed. The unpaired t test, Fischer exact test, and χ² test were used to compare the cohorts. RESULTS: The mean score of the H cohort among reviewers was superior to the IC cohort: 3.79 (±0.98) versus 3.04 (±1.00), P < .0001. Each reviewer also independently found the H cohort to be of higher quality for patient history, P < .0001. For the IC cohort, 7.8% of questionnaires did not report a single symptom versus 0.0% in the H cohort, P = .0331. Also, the IC cohort recorded symptoms in 2 or less words more often than the H cohort, P < .0001. CONCLUSION: Brief radiologist-patient interviews are superior for obtaining a higher quality of patient history for musculoskeletal MRI than patient questionnaires alone.


Assuntos
Imageamento por Ressonância Magnética/métodos , Anamnese/normas , Assistência Centrada no Paciente/métodos , Relações Médico-Paciente , Radiologia/métodos , Humanos , Imageamento por Ressonância Magnética/normas , Doenças Musculoesqueléticas/diagnóstico , Assistência Centrada no Paciente/normas , Qualidade da Assistência à Saúde , Radiologia/normas , Método Simples-Cego
11.
Can Assoc Radiol J ; 64(4): 306-13, 2013 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-23290697

RESUMO

Total hip arthroplasty has evolved along with improvements in component materials and design. The radiologist must accurately diagnose associated complications with imaging methods and stay informed about newer complications associated with innovations in surgical technique, prosthetic design, and novel materials. This pictorial essay presents clinical and imaging correlation of modern hip arthroplasty complications, with an emphasis on the most common complications of instability, aseptic loosening, and infection as well as those complications associated with contemporary metal-on-metal arthroplasty.


Assuntos
Artroplastia de Quadril/efeitos adversos , Articulação do Quadril/diagnóstico por imagem , Articulação do Quadril/patologia , Complicações Pós-Operatórias/diagnóstico , Humanos , Imageamento por Ressonância Magnética/métodos , Complicações Pós-Operatórias/etiologia , Tomografia Computadorizada por Raios X/métodos
12.
J Am Coll Radiol ; 9(11): 832-4, 2012 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-23122352

RESUMO

Historically, diagnostic radiology residents have been allowed time off from clinical duties to study for the ABR oral board examination. This practice has resulted in a disruptive "board frenzy" at many programs. The new ABR examination structure gives programs an opportunity to evaluate this practice. This position statement of the Association of Program Directors in Radiology describes the rationale behind a recommendation of no time off from clinical service before the ABR core examination.


Assuntos
Avaliação Educacional , Internato e Residência/organização & administração , Carga de Trabalho , Estados Unidos
13.
Skeletal Radiol ; 40(12): 1611-5, 2011 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-21935720

RESUMO

Gaucher disease (GD) is an autosomal recessive lysosomal storage disorder characterized by the reduced or absent activity of glucocerebrosidase. The disease is split into three types. Type 3, or chronic neuronopathic GD, manifests with heterogeneous clinical presentations. Skeletal manifestations of GD can include abnormal bone remodeling resulting in the characteristic Erlenmeyer flask deformities, painful bone crises, osteopenia, and an increased frequency of fractures. Osteolytic lesions can also occur but are rare and tend to be large, expanding intramedullary lesions with cortical thinning. We present two adolescent patients with type 3 GD who developed bilateral symmetrical cortical osteolytic lesions. The lesions in both cases demonstrate predominant cortical scalloping with fairly indolent growth. Neither patient manifests some of the more common bony manifestations of GD--bone crises or osteonecrosis. These atypical and unique skeletal findings in two unrelated probands with type 3 GD further expand the extent of phenotypic variation encountered in this single gene disorder.


Assuntos
Doença de Gaucher/complicações , Osteólise/diagnóstico , Adolescente , Feminino , Doença de Gaucher/diagnóstico , Humanos , Osteólise/etiologia
14.
J Am Coll Radiol ; 8(9): 602-9, 2011 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-21889746

RESUMO

The shoulder joint is a complex array of muscles, tendons, and capsuloligamentous structures that has the greatest freedom of motion of any joint in the body. Acute (<2 weeks) shoulder pain can be attributable to structures related to the glenohumeral articulation and joint capsule, rotator cuff, acromioclavicular joint, and scapula. The foundation for investigation of acute shoulder pain is radiography. Magnetic resonance imaging is the procedure of choice for the evaluation of occult fractures and the shoulder soft tissues. Ultrasound, with appropriate local expertise, is an excellent evaluation of the rotator cuff, long head of the biceps tendon, and interventional procedures. Fluoroscopy is an excellent modality to guide interventional procedures. Computed tomography is an excellent modality for characterizing complex shoulder fractures. Computed tomographic arthrography or fluoroscopic arthrography may be alternatives in patients for whom MR arthrography is contraindicated. A multimodal approach may be required to accurately assess shoulder pathology. The ACR Appropriateness Criteria(®) are evidence-based guidelines for specific clinical conditions that are reviewed every 2 years by a multidisciplinary expert panel. The guideline development and review include an extensive analysis of current medical literature from peer-reviewed journals and the application of a well-established consensus methodology (modified Delphi) to rate the appropriateness of imaging and treatment procedures by the panel. In those instances in which evidence is lacking or not definitive, expert opinion may be used to recommend imaging or treatment.


Assuntos
Diagnóstico por Imagem , Dor de Ombro/diagnóstico , Diagnóstico Diferencial , Medicina Baseada em Evidências , Humanos , Dor de Ombro/etiologia
15.
J Am Coll Radiol ; 7(6): 400-9, 2010 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-20522392

RESUMO

Appropriate imaging modalities for screening, staging, and surveillance of patients with suspected and documented metastatic disease to bone include (99m)Tc bone scanning, MRI, CT, radiography, and 2-[(18)F]fluoro-2-deoxyglucose-PET. Clinical scenarios reviewed include asymptomatic stage 1 breast carcinoma, symptomatic stage 2 breast carcinoma, abnormal bone scan results with breast carcinoma, pathologic fracture with known metastatic breast carcinoma, asymptomatic well-differentiated and poorly differentiated prostate carcinoma, vertebral fracture with history of malignancy, non-small-cell lung carcinoma staging, symptomatic multiple myeloma, osteosarcoma staging and surveillance, and suspected bone metastasis in a pregnant patient. No single imaging modality is consistently best for the assessment of metastatic bone disease across all tumor types and clinical situations. In some cases, no imaging is indicated. The recommendations contained herein are the result of evidence-based consensus by the ACR Appropriateness Criteria((R)) Expert Panel on Musculoskeletal Radiology.


Assuntos
Neoplasias Ósseas/diagnóstico , Neoplasias Ósseas/secundário , Diagnóstico por Imagem/normas , Guias de Prática Clínica como Assunto , Neoplasias da Mama/patologia , Medicina Baseada em Evidências/normas , Feminino , Humanos , Masculino , Estadiamento de Neoplasias , Gravidez , Complicações Neoplásicas na Gravidez/diagnóstico , Neoplasias da Próstata/patologia , Estados Unidos
16.
Acad Radiol ; 16(9): 1161-5, 2009 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-19394249

RESUMO

RATIONALE AND OBJECTIVES: Among the various medical disciplines, the radiology residency faces unique challenges when balancing clinical service and education, which have not been explored in the literature. MATERIALS AND METHODS: The authors present a summary of material generated during collaborative sessions at the 56th Annual Meeting of the Association of University Radiologists in Seattle, Washington, in March 2008, including strategies on maintaining an appropriate emphasis on education in the face of increasing service obligations, with a review of the pertinent literature. RESULTS: Although the topic of service and education has been explored in the medical and surgical literature, little has been published in the radiology literature. The portability of radiology and the relative lack of patient contact can lead to the redistribution of residents as a matter of convenience to fill service gaps, often at the expense of the educational goals of training programs. Residents and faculty members alike must take part in both service and educational obligations without compromising patient care. Physician extenders, call schedule optimization, and other strategies and resources can help ensure that a proper balance is maintained. CONCLUSION: The radiology residency presents unique challenges to the service and education balance. The authors highlight several strategies to address these challenges.


Assuntos
Medicina Clínica/educação , Medicina Clínica/organização & administração , Currículo , Internato e Residência/organização & administração , Radiologia/educação , Radiologia/organização & administração , Estados Unidos
18.
J Am Coll Radiol ; 5(8): 881-6, 2008 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-18657783

RESUMO

Imaging of the diabetic foot is among the most challenging areas of radiology. The authors present a consensus of the suggested tests in several clinical scenarios, such as early neuropathy, soft-tissue swelling, skin ulcer, and suspected osteomyelitis. In most of these situations, magnetic resonance imaging (MRI) with or without contrast is the examination of choice. Most other imaging tests have complementary roles. For soft-tissue swelling or an ulcer, radiography and MRI with or without contrast are suggested. Bone scintigraphy with white blood cell scanning is used when MRI is contraindicated. In patients with diabetes without ulcers, radiography and MRI with or without contrast are suggested; bone scanning may be used when MRI is contraindicated.


Assuntos
Pé Diabético/diagnóstico , Diagnóstico por Imagem/normas , Osteomielite/diagnóstico , Guias de Prática Clínica como Assunto , Humanos , Estados Unidos
19.
J Am Coll Radiol ; 4(9): 636-9, 2007 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-17845970

RESUMO

This article outlines a curriculum for resident education in musculoskeletal radiology that addresses the current requirements for assessment of the general competencies as set forth by the Accreditation Council for Graduate Medical Education.


Assuntos
Currículo , Diagnóstico por Imagem/normas , Educação de Pós-Graduação em Medicina/normas , Internato e Residência/normas , Doenças Musculoesqueléticas/diagnóstico por imagem , Radiologia/educação , Competência Clínica , Educação Baseada em Competências/normas , Avaliação Educacional , Humanos , Radiografia , Estados Unidos
20.
Acad Radiol ; 13(1): 121-30, 2006 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-16399040

RESUMO

RATIONALE AND OBJECTIVES: The aim of the study is to gauge radiology fellowship directors' experiences with the fellowship application process and perceptions of the National Resident Matching Program Radiology Fellowship Match, as well as compare these perceptions with those of senior residents. METHODS AND MATERIALS: An electronic survey was sent to 291 members of the Association of Program Directors in Radiology. Responses were compared directly with an earlier survey of senior residents who participated in the same cycle of the Fellowship Match. RESULTS: Sixty-seven respondents participated in the survey. Based on our estimates of the total number of US-based radiology subspecialty fellowship programs, this represents between 15.3% (67/438) and 24.2% (67/277) of all fellowship directors. Approximately three quarters (52/76 directors; 77.6%) participated in the Fellowship Match. Respondents believe that the match process makes the process fairer for all applicants (31/43 respondents; 70.5%) and primarily benefits residents (30/76 respondents; 60.0%), a significant difference compared with senior residents (P < .01). The majority of fellowship directors favor the current calendar and the ability to select internal candidates outside the Match. The majority of respondents believe that programs generally are not abiding by the rules of the Match (22/43 respondents; 51.2%), and at least 15 instances of rule violations were reported. A majority of fellowship directors favor continuing the Match in some form (26/42 respondents; 61.9%). CONCLUSION: Although there are significant differences in perception of the Match process between fellowship directors and senior residents, the majority of fellowship directors favor continuing the Match in some form. Several potential solutions, including explicit declaration of the number of available positions and strict enforcement of Match rules, may help improve the process in the future.


Assuntos
Internato e Residência , Seleção de Pessoal/métodos , Radiologia/educação , Distribuição de Qui-Quadrado , Humanos , Inquéritos e Questionários , Estados Unidos
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