Isotope Natural abundance (%) Spin MR frequency (MHz/7 T) Relative signal (same concentration of element) Relative SNR* (same concentration of element) 1H 99.99 1/2 300 100 100 7Li 92.41 3/2 117…
Fig. 1 Left side shows typical denervation pattern in NPC neuropathy including the extensors and peroneal muscles visible due to the prolonged T2 time of the muscle tissue (arrows on left…
Shape and architecture Subcategory Example Fibres parallel to the line of pull Strap-like Sartorius Tendinous intersections at intervals Rectus abdominis Fusiform muscle—close to parallel in the belly. Converge on a…
Skeletal muscle tumors Benign Extracardiac rhabdomyoma : adult, fetal, and genital type Malignant Embryonal rhabdomyosarcoma Alveolar rhabdomyosarcoma Pleomorphic rhabdomyosarcoma Spindle cell/sclerosing rhabdomyosarcoma Smooth muscle tumors Benign Deep leiomyoma Malignant Leiomyosarcoma…
Fig. 1 This figure shows the arrangement of the muscle fibers as well as the connective tissue (endomysium, perimysium, and epimysium) surrounding the muscle fiber, bundles of muscle fiber, and the…
Fig. 1 a The two common acquisition sequences free induction decay and spin echo together with, b a synthetic spectrum with definitions of the major parts. If the spectrum has been…
where L is the length in the ‘deformed’ state. Strain is dimensionless and represents the fractional or percentage change in dimension. It is also possible to define the instantaneous strain…
Fig. 1 Typical myotonic bursts on conventional electromyographic examination performed with a concentric EMG needle. The bursts consist of repetitive muscle action potentials that typically show a modulation of amplitude…
Fig. 1 BOLD MRI of the brain showing activation in motor gyrus as response to a finger tapping task. BOLD imaging in this patient with a low grade glioma was performed…
Fig. 1 Axial fat-suppressed T2-weighted images obtained from whole-body MRI protocol in a 37-year-old woman a and a 16-year-old boy with myotonic dystrophy type 1. Please note the dilatation of the…
