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目的评价放射性核素阴囊显像用于鉴别急性睾丸蒂扭转和急性睾丸附睾炎的临床应用价值。方法对４９例主诉急性阴囊疼痛患者的核素阴囊显像结果进行临床分析，并与超声检查结果相比较。“弹丸”式静脉注射Ｎａ９９ＴｃｍＯ４后，分别行动态和静态采集，得到睾丸血流灌注像和静态血池像。结果阴囊显像患侧阴囊放射性分布呈扭转表现的３７例患者中，经临床手术证实为睾丸蒂扭转者３５例，余２例为患侧腹股沟斜疝；３５例确诊为扭转者超声检查仅诊断１７例。阴囊显像患侧阴囊放射性分布呈炎症表现的１２例患者中，经保守治疗，临床随访证实全为睾丸附睾炎症，而超声检查仅诊断８例。结论核素阴囊显像诊断急性阴囊疼痛原因明显优于超声检查，具有简单、快速、准确、无创伤性等优点；对于鉴别急性睾丸蒂扭转和急性睾丸附睾炎有重要价值
Objective To evaluate the clinical value of radionuclide scintigraphy in the differential diagnosis of acute testicular torsion and acute testicular epididymitis. Methods The clinical data of 49 cases of scrotal scrotal pain were analyzed clinically and compared with those of ultrasound examination. “Projectile” intravenous injection of Na99TcmO4, respectively, dynamic and static acquisition, respectively, to get the testicular perfusion and static blood pool like. Results Scrotal imaging scrotum ipsilateral scrotum radioactive distribution of torsion showed 37 patients, clinically confirmed by the testicular torsion in 35 cases, the remaining two cases of ipsilateral inguinal hernia; 35 cases of diagnosis of torsion ultrasound diagnosis of only 17 example. Scrotal imaging ipsilateral scrotal radioactive distribution of inflammation showed in 12 patients, after conservative treatment, clinical follow-up confirmed that all of the testicular epididymal inflammation, and ultrasound diagnosis of only 8 cases. Conclusions Nuclide scintigraphy is superior to ultrasonography in the diagnosis of acute scrotal pain and has the advantages of simple, rapid, accurate and noninvasive. It has important value in distinguishing acute testicular torsion and acute testicular epididymis