Follicular Thyroid Carcinoma Concurrent with Kikuchi-Fujimoto Disease: A Case Report and Literature Review

1. Abstract

1.1. Background: Kikuchi-Fujimoto disease (KFD), also called histiocytic necrotizing lymphadenitis, is a rare, self-limited disease of unknown etiology. It is usually characterized by unilateral cervical lymphadenopathy, which can mimic lymph node metastasis.