Abstract:
:Marginal zone lymphoma represents about 10% of all non-Hodgkin lymphomas (NHLs). 33% of patients with acquired angioedema (AAE) due to acquired C1-inhibitor (C1-INH) deficiency (C1-INH-AAE) have or will develop NHLs. C1-INH-AAE is a rare condition. We report the follow-up of 72 C1-INH-AAE patients, followed for a median of 15 years (range 1-24). Median age was 71 (range 64-79) years; median age at onset of angioedema symptoms was 57·5 (range 50-66) years and it was 63 [range 45-80) years at diagnosis]. Twenty patients were diagnosed with low-grade non-follicular B-cell lymphomas (75% were splenic MZL), one with follicular and three with high-grade lymphomas (two diffuse large B-cell lymphomas and one mantle cell lymphoma). Fifteen NHLs were diagnosed at onset of AAE or thereafter (3 months to 7 years), eight had already been diagnosed at onset of angioedema. Two of 24 patients remain on watchful wait. Thirthen of 24 received chemotherapy, two received rituximab. Three underwent splenectomy. All 18 patients receiving therapy for NHL experienced post-treatment reduction in AAE symptoms. Our study suggests that clonal B-cell proliferation is the pathology underlying AAE leading to production of C1-INH-neutralizing autoantibodies and to NHLs. The post-germinal centre origin of NHL suggests that immune stimulation may contribute to lymphomagenesis.
journal_name
Br J Haematoljournal_title
British journal of haematologyauthors
Castelli R,Wu MA,Arquati M,Zanichelli A,Suffritti C,Rossi D,Cicardi Mdoi
10.1111/bjh.13908subject
Has Abstractpub_date
2016-03-01 00:00:00pages
902-8issue
6eissn
0007-1048issn
1365-2141journal_volume
172pub_type
杂志文章abstract::Three patients with probable congenital erythrocytosis were studied to determine the role of erythropoietin (ESF) in their disease. In addition, haemoglobin function was measured and ESF excretion determined in response to reduction in the haemoglobin concentration. In two cases ESF excretion was clearly elevated abov...
journal_title:British journal of haematology
pub_type: 杂志文章
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abstract::Haematological abnormalities frequently occur in patients infected by human immunodeficiency virus-type 1 (HIV-1). Increasing evidence indicates that bone marrow suppression (BM) results from viral infection of accessory cells, with impaired stromal function and alteration of haematopoietic growth factor network. We h...
journal_title:British journal of haematology
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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journal_title:British journal of haematology
pub_type: 杂志文章
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journal_title:British journal of haematology
pub_type: 杂志文章
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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journal_title:British journal of haematology
pub_type: 杂志文章
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更新日期:1999-06-01 00:00:00
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journal_title:British journal of haematology
pub_type: 杂志文章
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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