A forty-one-year-old male patient was referred to our department of Radiology for left shoulder pain and reduced mobility. There was no history of trauma, infection nor therapeutic intervention. A plain radiograph (Fig. A) of the left shoulder showed the presence of two small roundshaped lucent bubbles in the soft tissue above the glenoid. An additional ultrasound examination revealed the prese...

Most patients with liver cirrhosis must undergo a series of clinical examinations, including ultrasound imaging, liver biopsy, and blood tests. However, the quantification of liver cirrhosis by extracting significant features from a T2-weighted magnetic resonance image (MRI) provides useful diagnostic information in clinical tests. Sixty-two subjects were randomly selected to participate in thi...

Background Recent studies suggest that quantitative myocardial T1 mapping allows assessment of focal and diffuse fibrosis in the myocardium [1]. Quantitative T2 mapping has also been proposed to overcome challenges associated with T2 weighted imaging [2]. These maps are traditionally acquired with different sequences, necessitating image registration to evaluate them jointly. A sequence that ca...

Introduction T2-weighted MR imaging of edema in acute myocardial infarction (MI) provides a means of differentiating acute and chronic MI and for assessing the area-at-risk of infarction. Standard T2-weighted imaging of edema uses a turbo-SpinEcho (TSE) readout with dark-blood preparation. Dark-blood TSE methods are subject to artifacts such as posterior wall signal loss due to cardiac motion a...

BACKGROUND The aim of this study was to explore the accuracy of in vivo magnetic resonance imaging (MRI) in the quantitative evaluation of lipid-rich necrotic core (LRNC) in carotid atherosclerotic plaques compared with histopathology, and to assess the association of LRNC size with cerebral ischemia symptoms. MATERIAL AND METHODS Thirty patients were enrolled and 19 patients (16 men and 3 wome...

Introduction: T2-weighted imaging (T2WI) is widely used in the clinical staging of prostate cancer and is typically performed using fast spin echo (FSE) imaging. While FSE reduces acquisition time compared to standard spin echo (SSE) imaging, it also produces image blurring that results from T2-related effects upon the point spread function not present with SSE. In the present study, we employe...

A variety of algorithms have been proposed for brain tumor segmentation from multi-channel sequences, however, most of them require isotropic or pseudo-isotropic resolution of the MR images. Although co-registration and interpolation of low-resolution sequences, such as T2-weighted images, onto the space of the high-resolution image, such as T1-weighted image, can be performed prior to the segm...

MR images of 14 patients with pyogenic and three patients with tuberculous infectious spondylitis were studied to develop criteria for diagnosis. T1-weighted scans, 800/20 (TR/TE), were obtained in 17 patients and T2-weighted scans, greater than 2000/30,80, were obtained in 14. In seven patients, T2*-weighted scans (gradient-recalled acquisition into steady state, 25/15/5-7 degrees [TR/TE/flip ...

We describe a hybrid approach to the volumetry of intracerebral and entire intracranial CSF spaces, combining two imaging techniques. Ultra-fast and reproducible quantification of intracranial liquor volumes is carried out based on T2-weighted MR images. Isotropic T1-weighted data is used as a basis for robust semi-automatic three-dimensional segmentation procedures. Variability of the proposed...