The authors report their first experience with two techniques for preoperative localization of hyperfunctioning parathyroid glands: double-tracer (99mTc-201Tl) scintigraphy and venous sampling from thyroid veins. Nineteen patients affected by primary hyperparathyroidism were examined by both methods and subsequently submitted to surgery. Scintigraphy showed a sensitivity of 77.3% while the positivity of sampling was 63.6%; with the two techniques combined a correct localization was obtained in 90.9% of all cases. The authors emphasize the usefulness of both methods combined for locating enlarged hyperfunctioning parathyroids.
Parathyroid localization in primary hyperparathyroidism. Double-tracer scintigraphy and venous sampling techniques combined.
VAROTTO, SERGIO;MIOTTO, DIEGO;LUMACHI, FRANCO
1984
Abstract
The authors report their first experience with two techniques for preoperative localization of hyperfunctioning parathyroid glands: double-tracer (99mTc-201Tl) scintigraphy and venous sampling from thyroid veins. Nineteen patients affected by primary hyperparathyroidism were examined by both methods and subsequently submitted to surgery. Scintigraphy showed a sensitivity of 77.3% while the positivity of sampling was 63.6%; with the two techniques combined a correct localization was obtained in 90.9% of all cases. The authors emphasize the usefulness of both methods combined for locating enlarged hyperfunctioning parathyroids.
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