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Yaguchi A, Fujimura J, Ikuse T, Suzuki M, Shimizu Y, Hisata K, Arakawa A, Kondo A, Shimizu T. Successful treatment of a preterm infant with congenital juvenile xanthogranuloma presenting as a large intracranial tumor. Pediatr Blood Cancer 2024; 71:e31003. [PMID: 38605542 DOI: 10.1002/pbc.31003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Accepted: 03/25/2024] [Indexed: 04/13/2024]
Affiliation(s)
- Akinori Yaguchi
- Department of Pediatrics, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Junya Fujimura
- Department of Pediatrics, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Tamaki Ikuse
- Department of Pediatrics, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Mario Suzuki
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Yuzaburo Shimizu
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Ken Hisata
- Department of Pediatrics, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Atsushi Arakawa
- Department of Human Pathology, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Akihide Kondo
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Toshiaki Shimizu
- Department of Pediatrics, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan
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Kim EJ, Reusch DB, Anthony H, Schmidt B, Corey K, Degar B, Huang JT. Disseminated juvenile xanthogranulomas with underlying neurotrophic tyrosine receptor kinase fusion and response to larotrectinib. Br J Dermatol 2024; 190:283-284. [PMID: 37930319 DOI: 10.1093/bjd/ljad427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 10/19/2023] [Accepted: 10/29/2023] [Indexed: 11/07/2023]
Abstract
Recent molecular characterizations of histiocytoses, including juvenile xanthogranuloma (JXG), have identified diverse kinase gene mutations, suggesting that various targeted therapies may be promising treatments for these lesions. We herein present a case of an infant with disseminated JXG lesions with an underlying NTRK mutation who was successfully treated with larotrectinib.
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Affiliation(s)
| | | | - Hannah Anthony
- Department of Pediatric Oncology, Dana Farber Cancer Institute
| | - Birgitta Schmidt
- Harvard Medical School
- Department of Pathology, Boston Children's Hospital, Boston, MA, USA
| | - Kristen Corey
- Harvard Medical School
- Dermatology Section, Division of Immunology, Boston Children's Hospital
| | - Barbara Degar
- Harvard Medical School
- Department of Pediatric Oncology, Dana Farber Cancer Institute
| | - Jennifer T Huang
- Harvard Medical School
- Dermatology Section, Division of Immunology, Boston Children's Hospital
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3
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Tan HEI, Lakshmanan R, Warne R, Walwyn T, Roebuck D. Neuroimaging manifestations of paediatric histiocytoses. J Med Imaging Radiat Oncol 2023. [PMID: 37964685 DOI: 10.1111/1754-9485.13602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 10/23/2023] [Indexed: 11/16/2023]
Abstract
Histiocytoses are rare multi-system disorders marked by abnormal histiocyte cell proliferation, affecting children with diverse clinical presentations. Classified into five groups in 2016, including Langerhans-related (L), cutaneous (C), malignant (M), Rosai-Dorfman disease (R) and haemophagocytic lymphohistiocytosis (H), newer entities such as ALK-positive histiocytosis have also emerged, heralding the era of molecular (sub)classification. Common entities include Langerhans cell histiocytosis (LCH), Erdheim-Chester disease (ECD), Rosai-Dorfman disease (RDD) and haemophagocytic lymphohistiocytosis (HLH). This pictorial essay aids radiologists in recognising and differentiating paediatric histiocytoses based on unique neuroimaging features.
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Affiliation(s)
- Hsern Ern Ivan Tan
- Department of Medical Imaging, Perth Children's Hospital, Perth, Western Australia, Australia
- Department of Medical Imaging, Fiona Stanley Hospital, Perth, Western Australia, Australia
| | - Rahul Lakshmanan
- Department of Medical Imaging, Perth Children's Hospital, Perth, Western Australia, Australia
- University of Western Australia, Perth, Western Australia, Australia
| | - Richard Warne
- Department of Medical Imaging, Perth Children's Hospital, Perth, Western Australia, Australia
| | - Thomas Walwyn
- University of Western Australia, Perth, Western Australia, Australia
- Department of Oncology, Perth Children's Hospital, Perth, Western Australia, Australia
| | - Derek Roebuck
- Department of Medical Imaging, Perth Children's Hospital, Perth, Western Australia, Australia
- University of Western Australia, Perth, Western Australia, Australia
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Auerbach A, Aguilera NS. The changing landscape of pediatric histiocytoses: Birth, life, and transdifferentiation of pediatric histiocytes. Semin Diagn Pathol 2023; 40:420-428. [PMID: 37258365 DOI: 10.1053/j.semdp.2023.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 05/19/2023] [Indexed: 06/02/2023]
Abstract
Histiocytic neoplasms in the children are very rare, and histiocytoses can occur in the perinatal period. The presumed origins and presentation of specific histiocytoses in the pediatric age group are described. Common and newly described histiocytoses are presented including Langerhans cell histiocytosis, Rosai-Dorfman disease, histiocytic sarcoma, ALK positive histiocytosis, and hemophagocytic lymphohistiocytosis. Molecular findings common to pediatric histiocytoses are also discussed.
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Affiliation(s)
- Aaron Auerbach
- Joint Pathology Center, Silver Spring, MD, United States of America
| | - Nadine S Aguilera
- University of Virginia Health System, Charlottesville, VA, United States of America.
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Xu J, Ma H, Yao X, Han X, Wen Y, Wang S, Xu Z, Ma L. Frequent detection of genetic aberrations reveals novel pathogenesis and treatment modalities in systemic juvenile xanthogranuloma. Pediatr Investig 2023; 7:212-215. [PMID: 37736360 PMCID: PMC10509386 DOI: 10.1002/ped4.12398] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 08/15/2023] [Indexed: 09/23/2023] Open
Affiliation(s)
- Jiaosheng Xu
- Department of Dermatology, Beijing Children's Hospital, Capital Medical UniversityNational Center for Children's HealthBeijingChina
| | - Hongyan Ma
- Department of Dermatology, Children's Hospital of Xinjiang Uygur Autonomous RegionXinjiang Hospital of Beijing Children's HospitalXinjiangChina
| | - Xingfeng Yao
- Department of Pathology, Beijing Children's Hospital, Capital Medical UniversityNational Center for Children's HealthBeijingChina
| | - Xiaofeng Han
- Department of Dermatology, Beijing Children's Hospital, Capital Medical UniversityNational Center for Children's HealthBeijingChina
| | - Yang Wen
- Department of Radiology, Beijing Children's Hospital, Capital Medical UniversityNational Center for Children's HealthBeijingChina
| | - Siwei Wang
- Department of Ultrasound, Beijing Children's Hospital, Capital Medical UniversityNational Center for Children's HealthBeijingChina
| | - Zigang Xu
- Department of Dermatology, Beijing Children's Hospital, Capital Medical UniversityNational Center for Children's HealthBeijingChina
| | - Lin Ma
- Department of Dermatology, Beijing Children's Hospital, Capital Medical UniversityNational Center for Children's HealthBeijingChina
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