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KMID : 0361020210640090659
Korean Journal of Otolaryngology - Head and Neck Surgery
2021 Volume.64 No. 9 p.659 ~ p.663
A Case of Occult Anaplastic Thyroid Cancer Presenting as Huge Renal Mass
Lee Jong-Hwan

Yang Yun-Na
Lee Eun-Jung
Abstract
Anaplastic thyroid cancers (ATC) are a rapid growing and highly lethal form of thyroid cancer.
Distant metastases of ATC are detected in about half of patients. Clinically, it is very rareto metastasize to the kidney. The most common initial symptoms of ATC are a palpable neckmass and accompanying compression symptoms of the upper aerodigestive tract. A 68-yearoldpatient was referred with a huge renal mass, which was detected during the evaluation ofabdominal pain. Left total nephrectomy was performed. Histologically, the kidney tumor wasa metastatic anaplastic thyroid carcinoma. To our knowledge, it is the first case of occult ATCpresenting as a huge renal mass.
KEYWORD
Kidney neoplasms, Neoplasm metastasis, Thyroid cancer, anaplastic
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