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  • Title: [Value of sono- and computerized tomography as a localization procedure in primary hyperparathyroidism].
    Author: Grimm H, Padberg W, Schumacher F, Muhrer KH.
    Journal: Langenbecks Arch Chir Suppl II Verh Dtsch Ges Chir; 1990; ():979-82. PubMed ID: 1983690.
    Abstract:
    A total of 56 patients underwent preoperative high-resolution sonography (4 MHz); 33 had additional computed tomography (4 mm slices, contrast material as drip infusion) to localize abnormal parathyroid tissue in primary hyperparathyroidism. The sensitivity of sonography was 48% compared to 38% for computed tomography. The efficiency of both techniques was mostly dependent on size and location of the parathyroid. Computed tomography was superior in detecting ectopic parathyroids. Because of its low sensitivity sonography is only of facultative importance as a localization procedure for primary hyperparathyroidism. Computed tomography is indicated only for localizing ectopic parathyroid tissue after initial operation has failed.
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