Surgery · 1995
Correct preoperative localization: does it permit a change in operative strategy for primary hyperparathyroidism?
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Zmora O, Schachter P P, Heyman Z, Shabtay M, Avigad I, Ayalon A
Аннотация
BACKGROUND: A meticulous bilateral neck exploration by an experienced endocrine surgeon offers a high cure rate with low morbidity for patients with primary hyperparathyroidism. The advent of localizing studies raises the possibility of unilateral neck exploration. The cost-effectiveness of preoperative localizing studies and unilateral neck exploration in primary hyperparathyroidism are controversial issues. This study was designed to determine the risks of missing a contralateral pathologic parathyroid gland in patients with preoperative localization that was confirmed at neck exploration.
METHODS: Preoperative studies (ultrasonography, nuclear radioactive imaging scan, or both) were performed in 79 patients with primary hyperparathyroidism. In 58 patients a definite localization of an enlarged parathyroid gland was confirmed at operation. All patients underwent a meticulous bilateral neck exploration.
RESULTS: Unilateral neck exploration was feasible only in 73.4% of the patients, according to our localizing modalities, and an additional enlarged parathyroid gland on the contralateral side, not detected before operation, was revealed in five patients (8.6%). False-positive rates were 1.7% for ultrasonography and 13% for scan.
CONCLUSIONS: These results indicate an unacceptably high surgical failure rate for unilateral neck exploration guided by preoperative localizing studies compared with a bilateral neck exploration by an experienced endocrine surgeon, questioning the cost-effectiveness of preoperative localizing studies.
METHODS: Preoperative studies (ultrasonography, nuclear radioactive imaging scan, or both) were performed in 79 patients with primary hyperparathyroidism. In 58 patients a definite localization of an enlarged parathyroid gland was confirmed at operation. All patients underwent a meticulous bilateral neck exploration.
RESULTS: Unilateral neck exploration was feasible only in 73.4% of the patients, according to our localizing modalities, and an additional enlarged parathyroid gland on the contralateral side, not detected before operation, was revealed in five patients (8.6%). False-positive rates were 1.7% for ultrasonography and 13% for scan.
CONCLUSIONS: These results indicate an unacceptably high surgical failure rate for unilateral neck exploration guided by preoperative localizing studies compared with a bilateral neck exploration by an experienced endocrine surgeon, questioning the cost-effectiveness of preoperative localizing studies.