NKT细胞淋巴瘤周剑峰.ppt
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1、T 和和 NK 细胞肿瘤的分类:细胞肿瘤的分类:WHO 2008WHO 2008: the mature T-cell and NK-cell neoplasmsT-cell prolymphocytic leukemiaT-cell large granular lymphocytic leukemiaChronic lymphoproliferative disorder of NK-cells*Aggressive NK cell leukemiaSystemic EBV+ T-cell lymphoproliferative disease of childhood (associat
2、ed with CAEBV)Hydroa vacciniforme-like lymphomaAdult T-cell leukemia/lymphomaExtranodal NK/T cell lymphoma, nasal typeEnteropathy-associated T-cell lymphomaHepatosplenic T-cell lymphomaSubcutaneous panniculitis-like T-cell lymphomaMycosis fungoidesSzary syndromePrimary cutaneous CD30+ T-cell lymphop
3、roliferative disorderLymphomatoid papulosisPrimary cutaneous anaplastic large-cell lymphomaPrimary cutaneous aggressive epidermotropic CD8+ cytotoxic T-cell lymphoma*Primary cutaneous gamma-delta T-cell lymphomaPrimary cutaneous small/medium CD4+ T-cell lymphoma*Peripheral T-cell lymphoma, not other
4、wise specifiedAngioimmunoblastic T-cell lymphomaAnaplastic large cell lymphoma (ALCL), ALK+Anaplastic large cell lymphoma (ALCL), ALK*2001 WHO2008 WHOCommentsAngioimmunoblastic LymphomaAngioimmunoblastic LymphomaDefinition of origin cellAnaplastic Large Cell Lymphoma 2 variants based on ALK (+/-) ex
5、pressionPrognostic importanceUnspecified Peripheral T-cell Lymphoma Peripheral T-cell Lymphomas not Otherwise Specified3 variants: lymphoepitelioid lymphoma, T zone lymphoma (2001 WHO) and follicular lymphoma (2008 WHO) T/NK-cell lymphoma, nasal typeT/NK-cell lymphoma, nasal typeNo changesEntheropat
6、hy-associated T-cell lymphomaEntheropathy-associated T-cell lymphomasTwo variants: classical and monomorphic types with genetic changes common to bothHepatosplenic T-cell lymphomaHepatosplenic T-cell lymphomaNo changesSubcutaneous panniculitis-like T-cell lymphomaSubcutaneous panniculitis-like T-cel
7、l lymphomaOnly ab and associated with autoimmune disorderMycosis fungoidesMycosis fungoidesNew staging and new information about pathogenesis Szary syndromeSzary syndromeNew markersPrimary cutaneous anaplastic large cell lymphomaPrimary cutaneous anaplastic large cell lymphomaRecognition of CD8+ cas
8、esLymphomatoid papulosisLymphomatoid papulosisThree histological typesPrimary cutaneous gamma-delta T-cell lymphomaThree histopathologic patterns: epidermotropic, dermic, and subcutaneous subtypesPrimary cutaneous CD8+ aggressive epidermotropic cytotoxic T-cell lymphomaProvisional entityPrimary cuta
9、neous CD4+ small/medium T-cell lymphomaProvisional entityBlastic NK-cell lymphomaPlasmocytoid dendritic cell neoplasmNow it is one of the myeloid neoplasmsT-cell prolymphocytic leukemiaT-cell prolymphocytic leukemiaNo changesT-cell large granular lymphocytic leukemiaT-cell large granular lymphocytic
10、 leukemiaNew etiological features and new markersChronic lymphoproliferative disorder of NK-cellsProvisional entityAggressive NK-cell leukemiaAggressive NK-cell leukemiaNo changesAdult T-cell leukemia/lymphomaAdult T-cell leukemia/lymphomaDefinition of the regulatory T-cell normal counterpartT 和和 NK
11、 细胞肿瘤分类的主要变化细胞肿瘤分类的主要变化EBV 相关淋巴增殖性疾病相关淋巴增殖性疾病J Korean Med Sci. 2008 Apr;23(2):185-92.EBV 相关相关 T/NK 细胞增殖性疾病细胞增殖性疾病J Dermatol. 2014;41(1):29-39.潜伏性感染,不是裂解式感染,抗病毒治疗无效潜伏性感染,不是裂解式感染,抗病毒治疗无效NK/T 细胞淋巴瘤细胞淋巴瘤NK/T 细胞淋巴瘤亚型分布细胞淋巴瘤亚型分布NK/T 细胞淋巴瘤占到所有细胞淋巴瘤占到所有 PTCL 的的10.4%J Clin Oncol, 2008, 26(25):4124-30NK/T 细胞淋
12、巴瘤特征细胞淋巴瘤特征 分为鼻型 (68%) 和非鼻型 (26%),其他为侵袭型(6%) 病理表现:形态多样,表现为血管中心性、大量坏死和血管浸润 表型:大部分为NK 细胞(EBV+,CD56+)鼻型与非鼻型鼻型与非鼻型 NK/T 细胞淋巴瘤细胞淋巴瘤鼻型非鼻型侵犯部位上呼吸皮肤、睾丸、胃肠道疾病晚期27%68%肿块5cm12%68%超过2个鼻外病灶16%55%LDH升高45%60%B症状39%54%5年OS率42%9%中位OS19月4月鼻型与非鼻型鼻型与非鼻型 NK/T 细胞淋巴瘤细胞淋巴瘤Nasal type:41%Non-nasal:22%Nasal type:34%Non-nasal:
13、13%Ann Oncol 2008;19:1477-1484放疗在放疗在 NK/T 细胞淋巴瘤中的地位细胞淋巴瘤中的地位什么样的什么样的 NK/T 细胞淋巴瘤可以单纯放疗细胞淋巴瘤可以单纯放疗 Nasal versus extra-nasalthe stage of the diseaseStage I disease are further stratified based on risk factors Age 60 years,B symptoms, ECOG performance status 2Regional lymph node involvement Local tumor
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- NKT 细胞 淋巴瘤 周剑峰
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