Background: Kikuchi-Fujimoto disease or histiocytic necrotizing lymphadenitis is a rare benign disease that presents as cervical lymphadenopathy and fever.
Case Presentation: A 25-year-old South Asian female dentist, recently married, presented to our emergency department due to two weeks of fever, sore throat, swollen neck, and cough. The patient initially presented to a private clinic and was prescribed antibiotics on two visits. On physical examination, her neck was swollen with palpable and tender right posterior and submandibular lymph nodes. Oropharyngeal examination revealed pharyngeal hyperemia without tonsillar enlargement, exudates, or mucocutaneous ulcers. Ultrasound imaging revealed enlarged neck and thoracic and abdominal lymph nodes. CBC showed leukopenia and anemia of chronic disease. B2 microglobulin, lactate dehydrogenase, and kappa light chains were elevated. Anti-ANA, anti-dsDNA, HIV polymerase chain reaction (PCR), Quantiferon-tuberculosis (TB), and rapid plasma reagin were all negative. A lymph node biopsy confirmed the diagnosis of Kikuchi-Fujimoto disease.
Conclusion: We believe this is the second case to be reported in the United Arab Emirates (UAE). Kikuchi-Fujimoto disease has a non-specific presentation that overlaps with several conditions including autoimmune, infectious, and malignant. Therefore, a thorough clinical approach and a high grade of clinical suspicion is required to rule out other possible differential diagnosis. Finally, Although Kikuchi-Fujimoto disease is mostly benign, clinicians should be careful as some patients might develop systemic lupus erythematosus (SLE), Still disease, or B cell lymphoma in the future.
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http://dx.doi.org/10.7759/cureus.44007 | DOI Listing |
Clin Exp Dermatol
December 2024
Department of Dermatology, Venereology and Leprology; Postgraduate Institute of Medical Education and Research; Chandigarh, India.
Cureus
November 2024
School of Medicine, Universidad Complutense de Madrid, Madrid, ESP.
Kikuchi-Fujimoto disease (KFD) and adult-onset Still disease (AOSD) are two rare conditions whose association poses a significant diagnostic challenge. KFD is characterized by subacute necrotizing lymphadenitis of unknown etiology, primarily affecting young adults, and often presents with fever and posterior cervical lymphadenopathy. AOSD is a systemic inflammatory disorder of unclear origin, defined by high-spiking fever, lymphadenopathy, hepatosplenomegaly, hyperferritinemia, and leukocytosis.
View Article and Find Full Text PDFCureus
November 2024
Respiratory Medicine, University Hospital Limerick, Limerick, IRL.
Kikuchi-Fujimoto disease (KFD) is a rare self-limiting condition presenting as fever and cervical lymphadenopathy, with only two reported cases with isolated mediastinal lymphadenopathy. Lack of awareness about this condition often results in a high rate of misdiagnosis. We present a case of a 29-year-old Indian male with fever, mucocutaneous ulcers, weight loss, and mediastinal lymphadenopathy on CT.
View Article and Find Full Text PDFCurr Med Imaging
November 2024
Department of Radiology, Weill Cornell Medicine, 425 East 61st Street, New York, NY, 10065, USA.
Background: Kikuchi-Fujimoto Disease (KFD) is a rare condition, distinguished by its hallmark presentation of regional lymphadenopathy in young adult females. While initially observed to exclusively affect cervical lymph nodes in females under 40 years old, KFD is now known to impact individuals of any age or gender and manifest with adenopathy in various anatomical sites. Nonspecific imaging findings for KFD include enlarged lymph nodes, often exhibiting abnormal morphology.
View Article and Find Full Text PDFDiseases
November 2024
The Arkadi M. Rywlin M.D. Department of Pathology and Laboratory Medicine, Mount Sinai Medical Center, Miami Beach, FL 33140, USA.
Kikuchi-Fujimoto disease (KFD), also known as histiocytic necrotizing lymphadenitis, is a rare, self-limiting disorder characterized by fever typically lasting for 1 week up to 1 month and painful necrotizing lymphadenopathy, primarily affecting young adults of Asian ancestry. Although the exact cause remains unclear, infectious and autoimmune mechanisms have been implicated in the pathogenesis of the disease. In this case series, we aim to describe the histopathological features of KFD over a ten-year period at Mount Sinai Medical Center of Florida, and review the current understanding of its pathogenesis, clinical presentation, diagnosis, and management.
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