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Inicio Revista Española de Medicina Nuclear e Imagen Molecular (English Edition) Gamma probe guided surgery for osteoid osteoma: Is there any additive value of q...
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Vol. 32. Issue 4.
Pages 234-239 (July - August 2013)
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Vol. 32. Issue 4.
Pages 234-239 (July - August 2013)
Original article
Gamma probe guided surgery for osteoid osteoma: Is there any additive value of quantitative bone scintigraphy?
Cirugía del osteoma osteoide guiada por sonda gammadetectora: ¿existe un valor adicional de la gammagrafía ósea cuantitativa?
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S. Isgorena,
Corresponding author
serkanisgoren@hotmail.com

Corresponding author.
, H. Demira, G. Daglioz-Gorura, O. Selekb
a Department of Nuclear Medicine, Kocaeli University Faculty of Medicine, Kocaeli, Turkey
b Department of Orthopedic Surgery and Traumatology, Kocaeli University Faculty of Medicine, Kocaeli, Turkey
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Table 1. Demographic, preoperative scintigraphic and gamma probe guided surgical findings.
Abstract
Objective

The aim of this study is to evaluate the efficiency of gamma probe guided osteoid osteoma surgery and the applicability of quantitative analyses obtained from preoperative bone scan images.

Material and methods

This study involved 12 osteoid osteoma patients who were treated with gamma probe guided surgery after preoperative bone scan. The calculated contrast ratios between nidus and adjacent healthy bone from preoperative bone scan and the calculated percentages of count reduction after resection of nidus during intraoperative gamma probe application were compared. Patients were followed up for any recurrence or complications.

Results

The mean contrast ratio between nidus and adjacent healthy bone calculated from preoperative bone scan was 43.6% (range 33-53%). Following the nidus excision, an average of 55.8% (range 28-73%) count reduction was estimated with gamma probe in the tumor area. There was no correlation between preoperative scintigraphic contrast ratio and intraoperative gamma probe count reduction ratio (r = 0.46, p = 0.13). Complete cure was achieved in 11 (92%) patients with single operation, during the postoperative follow up period. None of the patients had any major or minor complications during or after the surgery.

Conclusions

Due to high clinical success and low complication rate in osteoid osteoma surgery, gamma probe application is an effective and safe method that should be used more extensively in daily practice.

Keywords:
Osteoid osteoma
Gamma probe
Bone scintigraphy
Resumen
Objetivo

El objetivo de este estudio es evaluar la eficiencia de la sonda gammadetectora en la cirugía radioguiada del osteoma osteoide y la aplicabilidad del análisis cuantitativo obtenido a partir de las imágenes de la gammagrafía ósea preoperatoria.

Material y métodos

Este estudio incluye a 12 pacientes con osteoma osteoide quienes fueron tratados con cirugía radioguiada por sonda gammadetectora después de la gammagrafía ósea preoperatoria. Se compararon las relaciones de contraste calculadas entre el nidus y el hueso sano adyacente en la gammagrafía ósea y los porcentajes de reducción de cuentas tras la extirpación quirúrgica del nidus. Los pacientes fueron sometidos a seguimiento para detectar recurrencia o complicaciones postoperatorias.

Resultados

La relación media de contraste entre el nidus y el hueso sano adyacente fue de 43,6% (rango de 33-53%). Tras la excisión del nidus, se estimó mediante la sonda una reducción media de 55,8% (rango de 28-73%) en las cuentas detectadas en el área de tumor. No había ninguna correlación entre ambas relaciones (r = 0,46, p = 0,13). Se alcanzó una curación completa en 11 pacientes (92%) con una única operación, durante el período de observación postoperativo. Ninguno de los pacientes tuvo alguna complicación menor o mayor durante o después de la cirugía.

Conclusiones

Debido a su elevada eficacia clínica y al bajo número de complicaciones quirúrgicas, la aplicación de la sonda gammadetectora en la cirugía del osteoma osteoide es un método efectivo y seguro. más extensivamente en la práctica diaria.

Palabras clave:
Osteoma osteoide
Sonda gammadetectora
Gammagrafía ósea

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