Korean J Med.
2009 Aug;77(2):241-245.
Two cases of thyroid small cell carcinoma
- Affiliations
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- 1Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea. shlee119@snu.ac.kr
Abstract
- Historically, small cell carcinoma in the thyroid has been regarded as a kind of lymphoma and small cell carcinoma in the thyroid as a distinct disease entity is still controversial. Here, we present two cases of thyroid small cell carcinoma that were differentiated from lymphoma, based on immunohistochemical staining. One case was misdiagnosed as anaplastic carcinoma that occurred during the treatment of follicular carcinoma. Both cases responded well to chemotherapy. These cases support the hypothesis that thyroid small cell carcinoma is a distinct disease entity. One should consider small cell carcinoma when there is a rapidly growing mass in the thyroid.
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