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Margareth Coutinho, Natália Carvalho Trevizam, Renata Nakase Takayassu, Ariene Arcas Leme, Giulliana Panfiglio Soares
CONTEXT: The food wrap films are used to cover the tip of curing light units in order to avoid contamination and prevent damage to the light guide. However, their effects on resin polymerization are not fully known. AIMS: We investigated the effects on restoration efficiency of a food wrap protective barrier used on the tip of curing light units. MATERIALS AND METHODS: For each treatment, five replications were performed, a total of 60 bovine incisor...
April 2013: Contemporary Clinical Dentistry
Miriam M Barreto, Edson Marchiori, Viviane B Amorim, Gláucia Zanetti, Tatiana C Takayassu, Dante L Escuissato, Arthur S Souza, Rosana S Rodrigues
Paracoccidioidomycosis (PCM) is the most common systemic mycosis in Latin America. Although most cases occur in developing countries, recent immigration patterns and an increase in travel have led to a growing number of PCM cases in the United States and Europe. PCM is caused by the dimorphic fungus Paracoccidioides brasiliensis, and the chronic form may progress to severe pulmonary involvement. Several radiologic patterns have been described for pulmonary PCM, including linear and reticular opacities, variable-sized nodules, patchy ill-defined opacities, airspace consolidation, and cavitary lesions...
January 2012: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Claudio de Carvalho Rangel, L Celso Hygino Cruz, Tatiana Chinem Takayassu, Emerson L Gasparetto, Romeu Cortes Domingues
Diffusion-weighted imaging has been used extensively in clinical practice for the early diagnosis of central nervous system conditions that restrict the diffusion of water molecules because it provides information about tumor cellularity or abscesses containing viscous fluid. DTI can detect brain lesions before any conventional imaging. Even though the role of these modalities is well defined for many neurologic lesions that affect the brain, its clinical application in spinal cord diseases is increasing. This article discusses the several central nervous system conditions that may be diagnosed with diffusion imaging...
February 2011: Magnetic Resonance Imaging Clinics of North America
Edson Marchiori, Gláucia Zanetti, Luiz Felipe Nobre, Tatiana Chinem Takayassu, Klaus Loureiro Irion
PURPOSE: The aim of this study was to evaluate high-resolution computed tomography (HRCT) findings in patients with exogenous lipoid pneumonia after mineral oil aspiration, in association with chagasic megaesophagus. MATERIALS AND METHODS: The study included 6 patients aged from 63 to 88 years (mean age, 74.5 y). The inclusion criteria were an abnormal HRCT, a history of aspirating mineral oil, the presence of intrapulmonary lipids in bronchoalveolar lavage, and the presence of megaesophagus with a diagnosis of Chagas disease...
May 2010: Journal of Thoracic Imaging
Isabela Garcia Vieira, Edson Marchiori, Gláucia Zanetti, Rafael Ferracini Cabral, Tatiana Chinem Takayassu, Gabriela Spilberg, Raquel Ribeiro Batista
INTRODUCTION: Pulmonary amyloidosis is an uncommon disease, characterized by extracellular deposition of fibrillary protein in the lungs. It appears in three forms: tracheobronchial, nodular pulmonary, and alveolar septal. There are few reports of long-term observation of primary pulmonary amyloidosis. CASE PRESENTATION: We present the case of a 47-year-old man who presented with fever, dyspnea, cough and hemoptysis. Chest radiograph and computed tomography revealed multiple pulmonary nodules and masses...
2009: Cases Journal
Raquel Ribeiro Batista, Edson Marchiori, Tatiana Chinem Takayassu, Fernanda Caseira Cabral, Rafael Ferracini Cabral, Gláucia Zanetti
Renal cell carcinoma accounts for 85% of all solid renal tumors in adults. Nearly one quarter of patients has distant metastasis at presentation while another 50% develop metastasis during follow-up. A small percentage of these are solitary metastasis. We report here a case of solitary bone sternal metastasis as an initial presentation of clear-cell renal cell carcinoma in a 56-year-old woman. The prognosis for patients with metastasized renal cell carcinoma is poor; treatment of metastasis is usually palliative and designed to provide comfort and pain relief...
2009: Cases Journal
Gabriela Spilberg, Edson Marchiori, Emerson L Gasparetto, Rafael Ferracini Cabral, Tatiana Chinem Takayassu, Raquel Ribeiro Batista, Isabela Garcia Vieira
Neurofibromatosis type 2 is an inherited autosomal dominant syndrome, characterized by multiple neoplasms of the central and peripheral nervous system associated with ocular abnormalities. The most common tumor associated with the disease is the vestibulocochlear schwannoma (VIII cranial nerve), and as many as 10% of patients with this tumor have neurofibromatosis type 2. In this report we aim to present a 34-year-old male who was seen for bilateral hearing loss. During his workup, which included cranial computer tomography, he was found to have multiple intracranial masses...
2009: Cases Journal
Fernanda C Cabral, Edson Marchiori, Gláucia Zanetti, Tatiana C Takayassu, Claudia M Mano
UNLABELLED: ABSTRACT: BACKGROUND: The authors present the high-resolution computed tomography findings of an immunosuppressed patient with semi-invasive pulmonary aspergillosis. CASE PRESENTATION: The main finding consisted of irregular, thick-walled cavity in the right upper lobe and a mass with soft-tissue attenuation within it and thickening of adjacent pleura. Additional findings were bronchial wall thickening associated with a 'tree-in-bud' pattern...
2009: Cases Journal
Tatiana Chinem Takayassu, Edson Marchiori, Antonio Eiras, Rafael Ferracini Cabral, Fernanda Caseira Cabral, Raquel Ribeiro Batista, Gláucia Zanetti, Paula Cristina Pereira Dias
ABSTRACT: Telangiectatic adenoma is a new classification of a hepatic lesion. It was previously named telangiectatic focal nodular hyperplasia but it is in fact true adenoma with telangiectatic features. We report here a case of telangiectatic adenoma in a 72-year-old woman. The image features are lack of a central scar, a heterogeneous lesion, hyperintensity in T1-weighted MR images, strong hyperintensity in T2-weighted MR images, and persistent contrast enhancement in delayed-phase contrast-enhanced CT or T1-weighted MR images...
2009: Cases Journal
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