Clin Nucl Med. 2018 Feb;43(2):136-138. doi: 10.1097/RLU.0000000000001950.
Ga-DOTATATE, a positron-emitting somatostatin analog, has been approved by the Food and Drug Administration for imaging neuroendocrine tumors (NETs). The presence of a second primary malignancy is common in NETs; however, synchronous primary malignancy in the thyroid has rarely been reported. The value of Ga-DOTATATE in medullary thyroid cancer is being investigated and is currently recommended for use when treatment with somatostatin analogs is an option. We present a 55-year-old man with abdominal pain associated with well-differentiated NET liver metastases and incidental medullary thyroid carcinoma demonstrated on a Ga-DOTATATE PET/CT.
镓- DOTATATE,一种正电子发射的生长抑素类似物,已被美国食品和药物管理局批准用于成像神经内分泌肿瘤(NETs)。NETs 中常见存在第二种原发性恶性肿瘤;然而,甲状腺同步原发性恶性肿瘤很少有报道。Ga-DOTATATE 在甲状腺髓样癌中的价值正在被研究,目前当生长抑素类似物治疗是一种选择时,建议使用 Ga-DOTATATE。我们报告了一名 55 岁男性患者,其因腹痛就诊,腹部计算机断层扫描(CT)和正电子发射计算机断层扫描(PET)显示其存在分化良好的 NET 肝转移和偶然发现的甲状腺髓样癌。