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Published in: Endocrine Pathology 2/2012

01-06-2012

Occult Primary Medullary Thyroid Carcinoma Presenting with Pituitary and Parotid Metastases: Case Report and Review of the Literature

Authors: Andrea Conway, Andres Wiernik, Ajay Rawal, Cornelius Lam, Hector Mesa

Published in: Endocrine Pathology | Issue 2/2012

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Excerpt

Medullary thyroid carcinoma (MTC) accounts for <10% of all thyroid malignancies and is derived from the calcitonin-producing C cell [1, 2]. It is of particular interest because of its association with hereditary syndromes, aggressiveness, and refractoriness to adjuvant therapies, and its association with mutations in the RET (rearranged during transfection) proto-oncogene, which encodes a receptor tyrosine kinase that may be amenable to therapy with the recently available tyrosine kinase inhibitors (TKI) [3, 4]. Thyroid tumors metastasizing to the pituitary and parotid gland are rare, and medullary thyroid carcinoma metastatic to either site has only been reported in a handful of instances. Here, we report a rare case of an occult MTC, which presented with clinical symptoms associated with synchronous metastases to the pituitary and parotid gland, and discuss its differential diagnosis. …
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Metadata
Title
Occult Primary Medullary Thyroid Carcinoma Presenting with Pituitary and Parotid Metastases: Case Report and Review of the Literature
Authors
Andrea Conway
Andres Wiernik
Ajay Rawal
Cornelius Lam
Hector Mesa
Publication date
01-06-2012
Publisher
Springer US
Published in
Endocrine Pathology / Issue 2/2012
Print ISSN: 1046-3976
Electronic ISSN: 1559-0097
DOI
https://doi.org/10.1007/s12022-012-9200-4

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