Xem 1-20 trên 21 kết quả Abnormal brain
  • Congenital heart disease in newborns is associated with global impairment in development. We characterized brain metabolism and microstructure, as measures of brain maturation, in newborns with congenital heart disease before they underwent heart surgery. Methods We studied 41 term newborns with congenital heart disease — 29 who had transposition of the great arteries and 12 who had single-ventricle physiology — with the use of magnetic resonance imaging (MRI), magnetic resonance spectroscopy (MRS), and diffusion tensor imaging (DTI) before cardiac surgery....

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  • This book is the result of many years of clinical and academic interest in diffusion-weighted MR (DW) imaging of the brain. Researchers and clinicians at the University of Rochester started to collect DW images of a spectrum of abnormalities affecting the brain immediately after this technique became available. Several case series with clinical and radiographic correlations have been presented at the annual meetings of the American Society of Neuroradiology and the Radiological Society of North America via posters and scientific reports....

    pdf241p echbuon 02-11-2012 30 9   Download

  • (BQ) Part 1 book "Brain Imaging with MRI and CT" presents the following contents: Bilateral predominantly symmetric abnormalities, sellar, perisellar and midline lesions, parenchymal defects or abnormal volume.

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  • (BQ) Part 2 book "Brain Imaging with MRI and CT" presents the following contents: Abnormalities without significant mass effect, primarily extra axial focal space occupying lesions, primarily intra axial masses, intracranial calcifications.

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  • Regarding the neural correlates of these operations, Chatterjee (2003) suggested that early visual processing of the basic features of artworks and other aesthetic stimuli takes place in occipital brain regions, like any other kind of stimuli. However, features processed in intermediate stages, such as shape or composition, can engage frontal-parietal attentional circuits, which enhance the processing of those attributes within the ventral visual stream (Chatterjee, 2003).

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  • In many respects man’s reaction to his environment - that is his behaviour, is principally a function of his central nervous system. Over the last few decades there have been considerable advances in the understanding of the organisation and functions of this system, but much remains to be discovered concerning its basic biochemistry and physiology.

    pdf217p mnemosyne75 02-02-2013 5 2   Download

  • Encephalitises are a group of inflammatory human and animal diseases of brain caused essentially by different pathogens. In spite of evident success in approaches for prevention, diagnostics and treatment during the last decades, the encephalitises of different etiology still constitute a menace for thousands of people all around the world. In this book the different aspects of encephalitises of different etiology are discussed such as diagnostics, treatment and clinical management of patients.

    pdf292p phoebe75 19-02-2013 13 2   Download

  • (BQ) Part 2 book "Diagnostic ultrasound" presents the following contents: The first trimester, chromosomal abnormalities, multifetal pregnancy, the fetal face and neck, the fetal brain, the fetal musculoskeletal system, sonographic evaluation of the placenta, the pediatric spinal canal,...

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học quốc tế cung cấp cho các bạn kiến thức về ngành y đề tài: Statistical distribution of blood serotonin as a predictor of early autistic brain abnormalities

    pdf16p toshiba17 31-10-2011 21 1   Download

  • (BQ) Part 2 book "Diagnostic imaging of infants and children" presents the following contents: Congenital abnormalities of the brain, intracranial infections, autoimmune disorders of the brain, intracranial neoplasms and masses, neoplasms and masses of the spine, trauma and surgery of the spine,...

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  • Traumatic brain injury has been major cause of mortality and morbidity worldwide, especially in children and young adults and it has been continuing a difficult problem in intensive care units. Brain trauma can be caused by a direct impact or by acceleration alone.

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  • In Chapter 5, Carrascosa Romero and de Cabo de la Vega consider the relevance of genetics and brain imaging findings in the diagnosis of diseases which result from abnormal development or neoplasia of cells derived from the neural crest (neurocristopathies). Koga and Saito (Chapter 6) provide a beautifully illustrated discussion of the use of neuroimaging tools to guide gamma knife radiosurgery.

    pdf232p wqwqwqwqwq 21-07-2012 41 8   Download

  • Molecular cloning has identified eight metabotropic glutamate receptor (mGluR) subtypes, each with distinct patterns of expression. However, the characteristic roles of these different mGluRs in physiological processes are not well understood. Identification of subtype-specific compounds may potentially act as therapeutic agents for the treatment of a wide range of conditions (including progressive brain disease, epilepsy and cerebral ischemia) all of which are associated with abnormal mGLuR activation.

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  • While history and examination will always remain the foundation of neurolog- ical diagnosis, MRI and CT have now become the most important diagnostic tests used by neurologists and neurosurgeons. These tests are critical not only for confirming clinical diagnosis, but in many cases will give additional infor- mation absolutely essential to patient care. Modern clinical diagnosis and treat- ment of central nervous system disorders relies heavily upon neuroimaging. In some cases, the optimal management of clinical problems affecting patients with brain tumors, strokes, etc.

    pdf187p layon_5 30-03-2013 20 7   Download

  • There have been major changes in attitudes towards schizophrenia in recent years. In clinical practice, more effective pharmacological and psychological treatments for schizophrenia have helped regenerate a sense of therapeutic optimism. In research, progress in a range of basic disciplines has opened up new avenues which promise to help unravel the abnormalities of brain development, structure and function which are at the core of the disorder.

    pdf89p 951864273 10-05-2012 26 6   Download

  • Brain Masses Mass lesions of the brain most often present as headache with or without fever or neurologic abnormalities. Infections associated with mass lesions may be caused by bacteria (particularly Nocardia), fungi (particularly Cryptococcus or Aspergillus), or parasites (Toxoplasma). Epstein-Barr virus (EBV)–associated lymphoproliferative disease may also present as single or multiple mass lesions of the brain. A biopsy may be required for a definitive diagnosis. Pulmonary Infections Pneumonia (Chap.

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  • Paraneoplastic Encephalomyelitis and Focal Encephalitis The term encephalomyelitis describes an inflammatory process with multifocal involvement of the nervous system, including brain, brainstem, cerebellum, and spinal cord. It is often associated with dorsal root ganglia and autonomic dysfunction. For any given patient, the clinical manifestations are determined by the area or areas predominantly involved, but pathology almost always reveals abnormalities (inflammatory infiltrates, neuronal loss, gliosis) beyond the symptomatic regions. ...

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  • One of the most popular organic pesticides, neem, is toxic to non-target species including crustaceans and tadpoles. Neem has been shown to cause the brain disease toxic encephalopathy in children. In mice, it causes chromosomal abnormalities in bone marrow cells and damages the DNA of sperm . Are there any other problems with organic pesticides? We really do not know simply because they are not regulated like the “synthetic” ones.

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  • The central mechanism of DIC is the uncontrolled generation of thrombin by exposure of the blood to pathologic levels of tissue factor (Fig. 110-3). Simultaneous suppression of physiologic anticoagulant mechanisms and abnormal fibrinolysis further accelerate the process. Together these abnormalities contribute to systemic fibrin deposition in small and mid-sized vessels. The duration and intensity of the fibrin deposition can compromise the blood supply of many organs, especially the lung, kidney, liver, and brain, with consequent organ failure.

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  • Hepatic encephalopathy (HE) reflects a spectrum of neuropsychiatric abnormalities seen in patients with liver dysfunction after exclusion of other known brain disease. Classification of hepatic encephalopathy is based on the clinical setting in which symptoms occur (Table 1).1 The encephalopathy of acute liver failure shares clinical characteristics with that of cirrhosis, but also exhibits unique features. In cirrhosis, three major syndromes can be present

    pdf397p thienbinh1311 13-12-2012 24 1   Download

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