Kikuchi-Fujimoto Disease Associated with Hashimoto's Thyroiditis: A Case Report.
Hala Alibrahim, Mohammad Yaman Haidar, Modar Doyya et al.
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Case in brief
A 37-year-old woman with a history of Hashimoto's thyroiditis presented with rapidly enlarging cervical lymphadenopathy. Laboratory tests indicated mild anemia and elevated ESR, while ultrasound revealed multiple hypoechoic lymph nodes. An excisional biopsy confirmed Kikuchi-Fujimoto disease (KFD). The patient experienced spontaneous improvement without specific treatment.
What made this case unusual
The coexistence of Kikuchi-Fujimoto disease with Hashimoto's thyroiditis is rarely described, making this case noteworthy.
Diagnostic / clinical pearl
Kikuchi-Fujimoto disease should be considered in the differential diagnosis of cervical lymphadenopathy, especially in patients with autoimmune disorders.
Why it matters
Recognizing this association can prevent misdiagnosis and unnecessary interventions in patients presenting with cervical lymphadenopathy.