White Thyroid Scintigraphy.

IF 0.4 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Indian Journal of Nuclear Medicine Pub Date : 2024-05-01 Epub Date: 2024-08-17 DOI:10.4103/ijnm.ijnm_146_23
Sara Zouggari, Mohamed Aziz Bsiss, Aboubaker Matrane
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Abstract

White thyroid scintigraphy corresponds to an absence or near-absence of radiotracer fixation in the cervical region. After eliminating technical causes, the main etiologies are iodine overload, thyroiditis, and congenital hypothyroidism. We report the case of a 22-day-old newborn with congenital hypothyroidism. As part of the etiological assessment, a cervical ultrasound was performed and showed a normal echostructured thyroid gland with no detectable lesions or vascular anomalies. On the other hand, a Tc 99m thyroid scintigraphy was also performed and revealed a lack of radiotracer uptake in the thyroid area in favor of a white thyroid scintigraphy. Congenital hypothyroidism is the main cause of mental retardation. Thyroid scintigraphy plays an important role in the etiological diagnosis of congenital hypothyroidism. A white thyroid scan and a thyroid in place on cervical ultrasound point to iodine transporter deficiency caused by sodium/iodide symporter gene mutations.

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白色甲状腺闪烁扫描。
甲状腺闪烁白图是指颈部没有或几乎没有放射性示踪剂固定。排除技术原因后,主要病因是碘过量、甲状腺炎和先天性甲状腺功能减退症。我们报告了一例出生 22 天的新生儿先天性甲状腺功能减退症病例。作为病因评估的一部分,我们进行了宫颈超声检查,结果显示甲状腺回声结构正常,未发现病变或血管异常。另一方面,还进行了Tc 99m甲状腺闪烁扫描,结果显示甲状腺区域缺乏放射性示踪剂摄取,而甲状腺闪烁扫描呈白色。先天性甲状腺功能低下是导致智力低下的主要原因。甲状腺闪烁扫描在先天性甲状腺功能减退症的病因诊断中起着重要作用。白色甲状腺扫描和宫颈超声显示的甲状腺原位指向钠/碘交感蛋白基因突变导致的碘转运体缺乏症。
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来源期刊
Indian Journal of Nuclear Medicine
Indian Journal of Nuclear Medicine RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-
CiteScore
0.70
自引率
0.00%
发文量
46
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