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고영범(Young-Bum Ko),박기철(Gi Cheol Park) 대한두경부종양학회 2013 대한두경부 종양학회지 Vol.29 No.2
The distant metastasis is found out in about 25-57% of the patients with renal cell carcinoma at the time of diagnosis. But, the incidence of metastases to the head and neck region, especially to the thyroid gland, is rare. Most of patients with metastatic renal cell carcinoma to the thyroid gland are asymptomatic at presentation as pa-tients with primary thyroid carcinoma. In the presence of clear cell tumor of the thyroid gland, the diagnostic con-siderations must include metastatic renal cell carcinoma. We report a case of thyroid metastasis from renal cell carcinoma at the time of diagnosis.
고영범(Young-Bum Ko),박기철(Gi Cheol Park) 대한두경부종양학회 2015 대한두경부 종양학회지 Vol.31 No.2
Small cell carcinoma is mainly found in the lungs and extrapulmonary origins of small cell carcinoma in GI tract, head and neck, genitourinary system consists only 4% of the tumor. Thus, small cell carcinoma of the parotid gland is an extremely rare disease. Extrapulmonary small cell carcinoma is characterized by an aggressive clinical course with early metastasis. We report a case of small cell carcinoma of parotid gland in a 82-year-old woman with painless neck mass, who was managed with radiation therapy after surgery and review of relevant literatures.