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The role of preoperative ultrasonography, computed tomography, and sestamibi scintigraphy localization in secondary hyperparathyroidism
Annals of Surgical Treatment and Research ; : 300-305, 2015.
Artículo en Inglés | WPRIM | ID: wpr-9718
ABSTRACT

PURPOSE:

The role of preoperative localization studies is controversial in surgery of secondary hyperparathyroidism (sHPT). The aim of study was to evaluate the accuracy of preoperative ultrasonography (USG), CT, and 99mTc sestamibi scintigraphy (MIBI) in localizing enlarged parathyroid glands and to find the impact of correct localization in successful parathyroidectomy.

METHODS:

We compared operative findings with the preoperative localization of ultrasonography, computerized tomography and sestamibi scintigraphy in 109 patients with sHPT and identified well-visualized locations of abnormal parathyroid glands by evaluating the sensitivity of each imaging study with regard to typical locations of glands. We investigated the effect of preoperative imaging localization on the surgical outcomes by measuring the intraoperative parathyroid hormone (ioPTH) decrement for positive or negative imaging localization.

RESULTS:

USG (91.5%) had the highest sensitivity and MIBI (56.1%) had the lowest among 3 modalities. The sensitivity of combined USG and CT (95.0%) was the highest among combined 2 modalities. The combination of all 3 modalities (95.4%) had the highest sensitivity among the combinations of modalities. The reduction of ioPTH in patients with positive imaging localization (86.6%) was greater than negative imaging localization (84.2%), with no significant difference (P = 0.586). The recurrence or persistence of sHPT was not correlated with preoperative imaging localization (19 patients in negative, 16 in positive; P = 0.14).

CONCLUSION:

Preoperative imaging localization contributed to surgical success but not to surgical outcomes. The combination of ioPTH measurement with imaging localization might be valuable for better surgical results in sHPT.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Hormona Paratiroidea / Glándulas Paratiroides / Recurrencia / Cintigrafía / Tomografía Computarizada por Rayos X / Paratiroidectomía / Ultrasonografía / Tecnecio Tc 99m Sestamibi / Hiperparatiroidismo / Hiperparatiroidismo Secundario Tipo de estudio: Estudio diagnóstico / Estudio pronóstico Límite: Humanos Idioma: Inglés Revista: Annals of Surgical Treatment and Research Año: 2015 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Hormona Paratiroidea / Glándulas Paratiroides / Recurrencia / Cintigrafía / Tomografía Computarizada por Rayos X / Paratiroidectomía / Ultrasonografía / Tecnecio Tc 99m Sestamibi / Hiperparatiroidismo / Hiperparatiroidismo Secundario Tipo de estudio: Estudio diagnóstico / Estudio pronóstico Límite: Humanos Idioma: Inglés Revista: Annals of Surgical Treatment and Research Año: 2015 Tipo del documento: Artículo