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A receiver coil of a cross-coupled, double loop geometry has been developed. This coil has a higher signal-to-noise (S/N) ratio and more homogeneous signal intensity at increasing depth than a conventional surface coil. Improvements in S/N of 51–256% compared with the commercial...
An osteoid osteoma was detected in a young boy with a classic history for this lesion. Plain radiography was not helpful but ultrasound and magnetic resonance imaging demonstrated the tumor nidus.
Nephrogenic adenoma of the urinary bladder is a rare benign tumor. It is generally accepted that the tumor represents metaplasia of the urothelium in response to chronic inflammation or injury. Its CT appearance can be similar to that of carcinoma of the bladder.
Retroconversion of immature to mature tissues in metastases from an immature ovarian teratoma following chemotherapy is an uncommon phenomenon. We report a case of this entity to highlight the changes in the internal architecture of hepatic metastases as seen on CT.
Chest CT of 36 patients with proven sarcoidosis were reviewed retrospectively. In all cases CT was obtained in an attempt to answer a diagnostic dilemma, either a patient with abnormal chest radiography and no clinical diagnosis or a patient with a history of known sarcoidosis and an atypical...
Magnetic resonance (MR) imaging of the breast has shown promise in the diagnosis of breast lesions. In prior studies the time of MR examination in the menstrual cycle was not taken into account. If alterations in transverse relaxation time (T2) values of ductal tissue did occur during the...
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