Medullary Thyroid Carcinoma

Chapter

Abstract

Medullary thyroid carcinoma (MTC) is typically located at the junction of the upper third and the lower two thirds of the thyroid lobes [6]. MTC consists of sheets of spindle-shaped, round or polygonal C cells separated by fibrous stroma [19]. The tumors are usually solitary, strongly hypoechoic, and sharply circumscribed with a homogeneous echo pattern, except for centrally located calcifications that may be of the micro type. They may, however, be more coarse than the calcifications found in papillary carcinomas [6,10]. The same type of calcifications are often found in regional lymph node metastases [(6,7].

Keywords

Arthritis Calcitonin Thyroiditis 

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Copyright information

© Springer Science+ Business Media, LLC  2010

Authors and Affiliations

  1. 1.Department of RadiologyOslo University Hospital Section The Norwegian Radium HospitalOsloNorway
  2. 2.Department of PathologyOslo University Hospital Section The Norwegian Radium HospitalOsloNorway

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