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目的探讨分化型甲状腺癌~(131)I治疗后的假阳性显像,以便提高诊断及鉴别诊断水平。方法 96例行甲状腺全切或次切除的分化型甲状腺癌患者,大剂量~(131)I治疗后5～7 d的~(131)I全身显像结果结合临床症状、体征及相关检查,判断~(131)I全身显像是否存在假阳性表现。结果 96例分化型甲状腺癌患者中肝脏显影88例(91.7%),胃肠道显影12例(12.5%),双侧乳腺显影1例,双肺弥漫性显影3例,唾液腺显影5例,鼻咽部显影2例,胸腺显影1例,肾囊肿1例,肾脓肿1例及污染5例。结论 ~(131)I假阳性显像多见肝脏、胃肠道显影,其他假阳性显像出现的几率很低,但仍需加以重视,以提高诊断水平及预防其发生的能力,避免患者受到不必要的~(131)I辐射。
Objective To investigate the false-positive imaging of differentiated thyroid carcinoma treated with ~ (131) I in order to improve the diagnostic and differential diagnosis. Methods Ninety-six patients with differentiated thyroid cancer undergoing total or subtotal thyroidectomy were enrolled in this study. The results of ~ (131) I whole body imaging at 5-7 days after high-dose 131I treatment combined with clinical symptoms, signs and related tests ~ (131) I whole body imaging for the presence of false positives. Results In 96 cases of differentiated thyroid cancer, 88 cases (91.7%) developed liver imaging, 12 cases (12.5%) developed gastrointestinal tract, 1 case developed bilateral mammary gland, 3 diffuse developed lungs, 5 developed salivary glands, Pharyngeal development in 2 cases, thymus in 1 case, 1 case of renal cysts, 1 case of renal abscess and 5 cases of pollution. Conclusions ~ (131) I false positive imaging is more common in the liver and gastrointestinal tract. The incidence of other false positive imaging is very low, but it still needs to be taken seriously in order to improve the diagnosis and prevent its occurrence and avoid the patients being affected Unnecessary ~ (131) I radiation.