Clinical analysis of 72 children with histiocytic necrotizing lymphadenitis
Objective To investigate the clinical features,treatment and prognosis of children with histiocytic necrotizing lymphadenitis(HNL).Methods The clinical data of 72 children with HNL diagnosed and treated in the Department of Infectious Diseases,Children's Hospital Affiliated to Shandong University from January 2019 to December 2023 were reviewed.The clinical symptoms,laboratory examination,imaging examination,pathological findings,treatment and follow-up were retrospectively analyzed.Results Among the 72 children,49 were males and 23 were females.The age was 3 to 15 years old,of which 55 cases(76.4％)ranged from 8 to 13 years.The duration of the first onset was 2-60 days,with an average of 15 days.All the children had fever and lymph node enlargement.Only abdominal lymph node lesions were present in 1 case,and cervical lymph nodes were involved in the rest.In the course of the disease,a few of the children had rash,joint swelling and pain and aseptic meningitis.One patient had coronary artery and jugular dilatation.In the acute stage of the disease,most children had decreased white blood cells and hemoglobin,increased erythrocyte sedimentation rate and lactate dehydrogenase.71 cases were treated with glucocorticoid,and 69 cases were treated for 8-12 weeks.The longest follow-up of the newly diagnosed cases has been nearly 5 years,except for one patient who developed cutaneous lupus,no case has recurred or progressed to other immune diseases.Conclusion Children HNL is more common in school-age children.The overall incidence is higher in boys than girls.Most children with HNL present with cervical lymph node enlargement,and very few patients only involve deep lymph nodes.It can also cause vascular lesions.Treatment with glucocorticoids for 2 to 3 months after diagnosis may reduce recurrence and prevent disease progression.
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