甲状腺乳头状癌致肾上腺和肾脏转移的罕见病例。

Unusual case of adrenal and renal metastases from papillary carcinoma of thyroid.

机构信息

Radiation Medicine Centre, Tata Memorial Centre Annexe, Parel, Mumbai, India.

出版信息

Clin Nucl Med. 2010 Sep;35(9):731-6. doi: 10.1097/RLU.0b013e3181ea342b.

Abstract

We report a rare case of adrenal and renal metastases from papillary thyroid carcinoma (PTC). A 30-year-old man underwent total thyroidectomy with left neck dissection for cytology proven nodal metastases from PTC. This was followed by high-dose radioiodine therapy with a dose of 265 mCi (9.805 GBq). Thereafter, patient was lost to follow-up. He presented 2 decades later with low backache radiating to both the lower limbs. Magnetic resonance imaging examination of spine detected left SI joint, dorsal and lumbar vertebral metastases. A whole-body radioiodine scan showed extensive iodine avid foci in thyroid bed, mediastinum, bilateral lungs, liver, bones, and in bilateral lumbar regions. An abdominal single photon emission computed tomography-computed tomography (CT) revealed the lumbar lesions to be within bilateral adrenal glands. Contrast-enhanced CT of abdomen revealed lesions in bilateral adrenals and renal regions suggestive of metastases. A CT-guided biopsy of left adrenal focus confirmed metastasis from the carcinoma of thyroid. A high degree of suspicion with further radiologic and cytologic correlation clinched the diagnosis of both adrenal and renal metastases from PTC, which has been rarely reported. Fortunately, radioiodine concentration in adrenal metastases made them amenable to high-dose radioiodine therapy. Therefore, 225 mCi (8.325 GBq) of radioiodine was administered to this patient. This case is a strong reminder of the fact that regular and long-term follow-up is imperative in the management of thyroid cancer patients.

摘要

我们报告了一例罕见的甲状腺乳头状癌(PTC)肾上腺和肾脏转移病例。一名 30 岁男性因细胞学证实的 PTC 淋巴结转移而行全甲状腺切除术和左侧颈部清扫术。随后接受了 265mCi(9.805GBq)高剂量放射性碘治疗。此后,患者失访。20 年后,他出现腰痛并放射至双下肢。脊柱磁共振成像检查发现左侧 S1 关节、背部和腰椎转移。全身放射性碘扫描显示甲状腺床、纵隔、双肺、肝脏、骨骼和双侧腰椎有广泛碘摄取病灶。腹部单光子发射计算机断层扫描-计算机断层扫描(CT)显示腰椎病变位于双侧肾上腺内。腹部增强 CT 显示双侧肾上腺和肾脏区域有病变,提示转移。左肾上腺病灶的 CT 引导活检证实为甲状腺癌转移。高度怀疑并结合进一步的影像学和细胞学相关性,确诊了 PTC 的双侧肾上腺和肾脏转移,这很少见。幸运的是,肾上腺转移灶的放射性碘摄取使它们能够接受高剂量放射性碘治疗。因此,给予该患者 225mCi(8.325GBq)放射性碘。这个病例强烈提醒我们,甲状腺癌患者的管理需要定期和长期随访。

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