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Thymic Mucosa-associated Lymphoid Tissue Lymphoma in an Adolescent Girl.
MedLine Citation:
PMID:  22469942     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Mucosa-associated lymphoid tissue (MALT) lymphoma is very rare in children. We report the first case of pediatric thymic MALT lymphoma in an adolescent Asian girl. She presented with chest pain, dyspnea, and low-grade fever. A large anterior mediastinal mass was biopsied that confirmed the diagnosis of MALT lymphoma with trisomy 18. The patient had secondary immunodeficiency with low NK cell count and high IgA and IgG levels. Because of the advanced stage and the presence of trisomy 18, she was treated with cyclophosphamide, vincristine, prednisone, and rituximab, followed by involved-field radiotherapy. She is currently undergoing maintenance therapy with rituximab and remains in complete remission at 13 months from diagnosis. Thymic MALT lymphoma should be suspected in any Asian child with a cystic thymic mass and autoimmune disease or hyperglobinemia. Because of the slow proliferation rate of this type of lymphoma, a long-term follow-up is needed.
Authors:
Rahul Naithani; Bo Y Ngan; Chaim Roifman; Michael Crump; Sylvain Baruchel; Oussama Abla
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-30
Journal Detail:
Title:  Journal of pediatric hematology/oncology     Volume:  -     ISSN:  1536-3678     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-4-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9505928     Medline TA:  J Pediatr Hematol Oncol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
*Department of Paediatrics, Division of Haematology/Oncology †Department of Paediatric Laboratory Medicine, Division of Pathology ‡Department of Paediatrics, Division of Immunology, The Hospital for Sick Children §Medical Oncology, Princess Margaret Hospital, Toronto, ON, Canada.
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