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Squamous cell carcinoma of esophagus masquerading as solitary thyroid nodule

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Author(s): Basu S | Nair N | Borges A

Journal: Indian Journal of Cancer
ISSN 0019-509X

Volume: 42;
Issue: 4;
Start page: 205;
Date: 2005;
Original page

Keywords: Cold nodule | Solitary thyroid nodule | Squamous cell carcinoma of esophagus | 99mTcO4- Scan of thyroid

ABSTRACT
Secondary neoplasm of the thyroid mimicking a primary thyroid lesion is a rare finding, especially in an individual without a past history of malignancy. A case of squamous cell carcinoma metastatic to the thyroid (presenting as a solitary thyroid nodule), who had an unsuspected primary in the esophagus is described. Usually, multiple areas of the gland are involved in the secondary involvement of the thyroid. The clinical presentation of an apparently asymptomatic mass with neck lymphadenopathy, normal thyroid functions, and a cold nodule on 99mTcO4- thyroid scan can often lead to a misdiagnosis as primary thyroid neoplasm. The present case underscores the fact that due importance to the subtle signs and symptoms and a high degree of suspicion, whenever the histology is unusual for a thyroid primary, is needed and the workup should include ruling out other primary malignancies.
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