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Histiocytic necrotizing lymphadenitis (Kikuchi's disease)
J F Piccirillo1, D C Lanza, E A Stasio
1Department of Surgery, Yale University School of Medicine, New Haven, Conn.
Archives of Otolaryngology--Head & Neck Surgery
|July 1, 1991
Summary
Histiocytic necrotizing lymphadenitis (HNL), or Kikuchi's disease, is a rare condition causing swollen lymph nodes. Early diagnosis and treatment are key for managing this distinctive but potentially confusing illness.
Area of Science:
- Immunology
- Pathology
Background:
- Histiocytic necrotizing lymphadenitis (HNL), also known as Kikuchi's disease, is an uncommon disorder of unknown etiology.
- It primarily affects young women, presenting with cervical lymphadenitis.
Observation:
- HNL is increasingly reported globally, moving beyond its initial description in Japan.
- Clinical signs include tender cervical adenopathy, fever, weight loss, and night sweats.
- Laboratory findings show leukopenia, relative granulocytopenia, and lymphocytosis.
Findings:
- Lymph node biopsy is crucial, revealing characteristic necrosis, karyorrhexis, and an absence of plasma cells.
- Histological features are distinct but can be misdiagnosed as lymphoma.
Implications:
- Accurate diagnosis of HNL is essential to differentiate it from other conditions, particularly lymphoma.
- Understanding the distinct pathology aids in appropriate patient management and treatment strategies.