Abstract
Extranodal natural killer/T-cell lymphoma (ENKTL) with hepatosplenic involvement is rare, accounting for approximately 0.2% of ENKTL cases. The clinicopathologic features of ENKTL with hepatosplenic involvement are still poorly understood. Seven cases of ENKTL with hepatosplenic involvement were investigated retrospectively by clinical features, pathology, immunophenotype, genotype, Epstein-Barr virus (EBV) status, and survival analysis. The median age was 36 years; three patients (3/7) had a history of primary nasal ENKTL. Six cases (6/7) presented liver or spleen structures that were replaced by neoplasms, and the neoplastic cells displayed diffuse infiltration; one case (1/7) displayed neoplastic cells scattered in hepatic sinuses and portal areas. The cellular morphology and immunohistochemical features were similar to those of ENKTL involving other sites. Follow-up data were available in five of the seven patients. All five patients received first-line chemotherapy based on L-asparaginase. Three patients died, and two were still alive by the last follow-up. The median overall survival (OS) was 21 months. ENKTL with hepatosplenic involvement is rare, regardless of whether it is initial or secondary. There are two histopathologic patterns of ENKTL with hepatosplenic involvement, and L-asparaginase-based chemotherapy combined with AHSCT might yield good efficacy.
Graphical Abstract
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Morphological features of ENKTL in the spleen and liver A The architecture of the spleen was affected, and dense infiltration of the neoplastic cells was observed in the left part; B Focal infiltration of the neoplastic cells was located in the red pulp; C Dense infiltration of the neoplastic cells in the liver, accompanied by fatty change of hepatocytes and congestion; D More neoplastic cells accumulated in sinusoidal region
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Data availability
The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.
Abbreviations
- ANKL :
-
Aggressive natural killer cell leukemia
- ALP :
-
Alkaline phosphatase
- AHSCT :
-
Autologous hematopoietic stem cell transplantation
- CAP :
-
Cyclophosphamide, doxorubicin, and prednisone
- CAEBV :
-
Chronic active EBV infection
- CR :
-
Complete remission
- CT :
-
Computed tomography
- DDGP :
-
Dexamethasone, cisplatin, gemcitabine, and pegaspargase
- EBV :
-
Epstein‒Barr virus
- EBER :
-
EBV-encoded small molecular mRNA
- ENKTL :
-
Extranodal natural killer/T-cell lymphoma
- GI :
-
Gastrointestinal tract
- GLIDE :
-
Gemcitabine, L-asparaginase, ifosfamide, dexamethasone, and etoposide
- HSTL :
-
Hepatosplenic T-cell lymphoma
- IHC :
-
Immunohistochemistry
- ISH :
-
In situ hybridization
- LDH :
-
Lactate dehydrogenase
- MRI :
-
Magnetic resonance imaging
- ORR :
-
Objective response rate
- OS :
-
Overall survival
- PCR :
-
Polymerase chain reaction
- PET-CT :
-
Positron emission tomography CT
- P-GEMOX :
-
Peg-asparaginase, gemcitabine, and oxaliplatin
- PNA :
-
Peptide nucleic acid
- PR :
-
Partial response
- SMILE :
-
Dexamethasone, methotrexate, ifosfamide, L-asparaginase, and etoposide
- STLC :
-
Systemic EBV-positive T-cell lymphoma of childhood
- TR-γ :
-
T-cell receptor (TR)-γ
- WHO :
-
World Health Organization
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This study was supported by the National Natural Science Foundation of China (81272626, 81900197).
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YHZ, LMG, and WPL contributed to the conceptual design of the study. YHZ, QLL, and ZL were involved in data acquisition. YHZ, SZ, and WYZ were involved in data analysis and interpretation. YHZ and LMG were involved in writing and editing the manuscript. YHZ, LMG, and WPL reviewed the manuscript. This study was supervised by LMG and WPL.
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Yue-Hua Zhang and Li-Min Gao are co-first authors.
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Zhang, YH., Li, Z., Zhao, S. et al. Extranodal natural killer/T-cell lymphoma with hepatosplenic involvement: a retrospective study of a consecutive 14-year case series. Ann Hematol 102, 2803–2813 (2023). https://doi.org/10.1007/s00277-023-05358-4
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DOI: https://doi.org/10.1007/s00277-023-05358-4