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Cervical lymphadenopathy due to Kikuchi disease: US and CT appearance
1Department of Radiology, Uniformed Services University of the Health Sciences, Bethesda, MD.
Insights
Kikuchi disease, a rare cause of neck swelling, presents diagnostic challenges. Imaging like CT and ultrasound are crucial for identifying histiocytic necrotizing lymphadenitis, distinguishing it from lymphoma.
Area of Science:
- Pathology
- Radiology
- Oncology
Background:
- Kikuchi disease, also known as histiocytic necrotizing lymphadenitis, is a rare, benign condition affecting lymph nodes.
- It primarily impacts young adults and can mimic more serious conditions.
Observation:
- This case highlights a patient presenting with cervical lymphadenopathy due to Kikuchi disease.
- Clinical presentation, computed tomography (CT), and ultrasonographic findings were documented.
Findings:
- CT and ultrasonography provide characteristic imaging features for Kikuchi disease.
- Histopathological examination is essential for definitive diagnosis.
Implications:
- Accurate radiological and pathological diagnosis is vital to differentiate Kikuchi disease from malignant conditions like lymphoma.
- Misdiagnosis can lead to unnecessary aggressive treatments.
Abstract:
A patient with Kikuchi disease (histiocytic necrotizing lymphadenitis), who came to clinical attention because of cervical lymphadenopathy, is presented. CT and ultrasonographic findings of this disease are described. The importance of this entity lies in the fact that it can be easily confused clinically, pathologically, and radiologically with malignant lymphadenopathy, especially lymphoma.