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MRI WITH SURFACE COILS FOR PARATHYROID TUMORS - PRELIMINARY INVESTIGATION
MRI WITH SURFACE COILS FOR PARATHYROID TUMORS - PRELIMINARY INVESTIGATION AMERICAN JOURNAL OF ROENTGENOLOGY Kier, R., Herfkens, R. J., Blinder, R. A., Leight, G. S., UTZ, J. A., Silverman, P. M. 1986; 147 (3): 497-500Abstract
The ability of MRI to detect parathyroid gland enlargement was assessed using 1.5-T systems and surface coil reception. Nine patients with primary hyperparathyroidism were studied before surgical neck exploration. Five-millimeter-thick axial images were obtained from the thyroid cartilage to the sternal notch. Both T1 and T2 contrast-weighted spin-echo sequences were performed in most cases. MRI correctly identified six out of seven parathyroid adenomas. In the false-negative case, T2 contrast-weighted sequences were not performed for technical reasons. In the one case of surgically proven parathyroid hyperplasia, a lesion identified by MRI as a parathyroid adenoma coincided at surgery with the largest of three hyperplastic parathyroid glands. A single case demonstrated a potential pitfall in the search for ectopic parathyroid glands: A large colloid cyst in the posterior portion of the thyroid gland showed signal characteristics indistinguishable from a parathyroid adenoma. The enlarged parathyroid glands were best visualized on T2 contrast-weighted sequences, with the lesions demonstrating greater signal than surrounding tissues.
View details for Web of Science ID A1986D685000010
View details for PubMedID 3488653