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A confounding factor in auditory functional magnetic resonance imaging (fMRI) experiments is the presence of the acoustic noise inherently associated with the echo planar imaging acquisition technique. Previous studies have demonstrated that this noise can induce unwanted neuronal responses that can mask stimulus-induced responses. Similarly, activation accumulated over multiple stimuli has been demonstrated...
This work addresses the choice of imaging flip angle in blood oxygenation level dependent (BOLD) functional magnetic resonance imaging (fMRI). When noise of physiological origin becomes the dominant noise source in fMRI timeseries, it causes a nonlinear dependence of the temporal signal-to-noise ratio (TSNR) versus signal-to-noise ratio (SNR) that can be exploited to perform BOLD fMRI at angles well...
A 69-year-old female was admitted to our hospital because of asthenia, anorexia and 20 kg weight loss. An ultrasound study and computerized tomography (CT) imaging revealed a mesenteric mass and laparotomy was performed. The diagnosis was mesenteric tuberculosis with jejunal involvement. This represents an atypical onset of tuberculosis in a non-immunosuppressed patient.
A 69-year-old female was admitted to our hospital because of asthenia, anorexia and 20 kg weight loss. An ultrasound study and computerized tomography (CT) imaging revealed a mesenteric mass and laparotomy was performed. The diagnosis was mesenteric tuberculosis with jejunal involvement. This represents an atypical onset of tuberculosis in a non-immunosuppressed patient.
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