继发性皮肤弥漫大B细胞淋巴瘤1例

Journal of Diagnosis and Therapy on Dermato-venereology(2019)

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Abstract
报告1例继发性皮肤弥漫大B细胞淋巴瘤.患者男,76岁,因左小腿结节1月余就诊.皮肤专科检查:左小腿可见多个2~5 cm大小淡褐色结节,压痛明显,左侧腹股沟可扪及一大小约2cm×2 cm大小淋巴结,质软,活动度一般,无压痛,余全身浅表淋巴结未扪及肿大.皮损组织病理示:真皮中下层弥漫较大淋巴细胞样细胞浸润,肿瘤细胞形态不规则,异形明显,核大深染,胞浆丰富,病理核分裂象易见.免疫组化:CD20弥漫阳性(+++);Bcl-6(+++);MUM-1部分阳性(++);Ki-6780%~90%(+).FISH基因检测:BCL6基因发生断裂.诊断:弥漫大B细胞淋巴瘤ⅣB期.予R(利妥昔单抗)+ miniCHOP方案(美罗华+环磷酰胺+长春地辛+表柔比星+地塞米松)化疗1次,后患者家属放弃治疗,患者2个月后死亡.
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