J Korean Soc Ultrasound Med.  2012 Jun;31(2):81-85.

False Negative Fine Needle Aspiration Biopsy Results in Primary Thyroid Lymphoma

Affiliations
  • 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.

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.

Keyword

Ultrasonography; Thyroid lymphoma; FNAB; Lymphocytic thyroiditis

MeSH Terms

Biopsy
Biopsy, Fine-Needle
Lymphoma
Thyroid Gland
Thyroiditis, Autoimmune
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