1Department of Radiology, Research Institute of Radiological Science, Yonsei University College of Medicine, Seoul, Korea. artemis4u@yuhs.ac 2Department of Pathology, Yonsei University College of Medicine, Seoul, Korea.
Published online: June 30, 2012.
ABSTRACT
Ultrasonography-guided fine needle aspiration biopsy (US-FNA) is one of the methods used to diagnose thyroid lymphoma, but it has a relatively high false-negative rate. The authors report a case of a primary thyroid lymphoma associated with underlying lymphocytic thyroiditis that was initially misdiagnosed as lymphocytic thyroiditis based on US-FNA findings.