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A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
Published on: September 20, 2018
Systemic juvenile xanthogranuloma: A systematic review
Tong Zou1, Ang Wei1, Honghao Ma1
1Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, National Key Discipline of Pediatrics (Capital Medical University), Key Laboratory of Major Disease in Children, Ministry of Education, Beijing children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China.
Objective:
To perform a systematic review to investigate the available literature regarding systemic juvenile xanthogranuloma (SJXG) and report the population characteristics, clinical manifestation, therapy, and outcome.
Review Methods:
A search of PubMed, Embase, and Cochrane Library for all articles published between 1981 and 2022 was performed with variations and combinations of the following search terms: extracutaneous, visceral, systemic, and juvenile xanthogranuloma (JXG). Data extracted included demographics, organ involvement, treatment, outcome, and permanent sequelae.
Results:
A total of 103 articles encompassing 159 patients met the inclusion criteria. The median onset age was 9 months, with a male predominance (61%). The distribution of major involved organs varied by age, and younger onset age was associated with more organ involvement. The most commonly involved site was the central nervous system (CNS) (40.9%), followed by the liver (31.4%), the lung (18.9%), and the eye (18.2%). At the termination of follow-up, 93 patients (58.5%) were alive with no disease, 56 (35.2%) were alive with disease, and 10 (6.3%) were dead of disease. There was a significant difference in outcome between patients with and without spleen involvement (p = .0003), and patients with spleen involvement suffered a higher risk of death. Permanent sequelae mainly comprised CNS symptoms and ocular manifestations.
Conclusions:
SJXG can involve varying numbers and combinations of extracutaneous sites. There is no standard therapy for SJXG and clinicians should choose individualized therapy modalities.
