Andrea Puchnick

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OBJECTIVES The aim of this study was to test a sonographic technique used to view the anterior bundle of the ulnar collateral ligament (UCL), describe its sonographic characteristics in healthy volunteers, and verify these characteristics by determining interobserver variability and their correlations in cadavers. METHODS Sonographic studies of the(More)
BACKGROUND There is insufficient evidence to guide stent usage following angioplasty in subclavian artery stenosis. This is an update of a review first published in 2011. OBJECTIVES The aim of this review was to determine whether stenting is more effective than angioplasty alone for stenosis of the subclavian artery. SEARCH METHODS For this update the(More)
CONTEXT AND OBJECTIVE Positron emission tomography with [18]F-fluoro-2-deoxyglucose (FDG-PET/CT) has been advocated as the method of choice for lymphoma staging, since it enables whole-body analysis with high sensitivity for detection of affected areas and because it combines capacities for anatomical and functional assessment. With technological advances,(More)
A 59-year-old female farm worker developed a dark-centered cutaneous lesion in her right leg, associated with progressive swelling for the past 35 years. During the past 4 years, she also had dry cough and dyspnea, which became more intense for the past 6 months. She complained of asthenia and weight loss of 10 kg in the previous year. The patient had(More)
OBJECTIVES To ascertain the prevalence of pancreatic cysts detected incidentally on 3-Tesla magnetic resonance imaging (MRI) of the abdomen and correlate this prevalence with patient age and gender; assess the number, location, and size of these lesions, as well as features suspicious for malignancy; and determine the prevalence of incidentally detected(More)
OBJECTIVE To assess the non-radiologist physicians' knowledge on the use of ionizing radiation in imaging. MATERIALS AND METHODS Cross-sectional study utilizing an anonymous questionnaire responded by physicians in clinical and surgical specialties, divided into two parts as follows: one including questions about the physicians' characteristics, frequency(More)
OBJECTIVES The aims of this study were (1) to evaluate the reliability of ultrasound (US) examination in the identification and measurement of the metatarsophalangeal plantar plate (MTP-PP) in asymptomatic subjects and (2) to establish the correlation of US findings with those of physical examination and magnetic resonance imaging (MRI), once it is an(More)
OBJECTIVE To evaluate the imaging features of spondyloarthritis in magnetic resonance imaging (MRI) of the sacroiliac (SI) joint and topography (in thirds) and affected margin, considering that this issue is rarely addressed in the literature. METHODS A cross-sectional study evaluating MRI (1.5T) of SI in 16 patients with axial spondyloarthritis, for the(More)
Objetivo: Avaliar o conhecimento dos médicos não radiologistas sobre a utilização da radiação ionizante em exames de imagem. Materiais e Métodos: Estudo transversal, utilizando questionário anônimo, aplicado a médicos de especialidades clínicas e cirúrgicas, dividido em duas partes: uma com questões sobre as características dos médicos, frequência de(More)