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浅表肢端纤维黏液瘤1例 被引量:1

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摘要 患者男,51岁,十余年前无意间发现右手中指肿物,当时肿物较小,局部皮肤无红肿,未予重视及相关治疗,十年来肿物逐渐增长,无疼痛,患者于2014年7月来我院治疗。查体显示右手中指指背侧可见约1.5 cm ×1 cm ×1 cm 大小的肿物,压迫指甲外形,肿物边界清楚,活动度差,无明显压痛。右手中指皮肤正常,活动自如。X 线平片显示右手中指远节指骨远端可见软组织肿块,远节指骨部分受侵蚀(图1)。行右手中指肿物切除术。术中见肿物灰白色,不规则,无包膜,侵袭甲床及指甲,指骨远端呈虫蚀样改变。手术完整切除肿物及指骨远端0.5 cm。随访至今,未见局部复发及远处转移,仍继续随访。标本经4%中性甲醛液固定,常规石蜡包埋,切片,分别行HE 染色和免疫组织化学染色。免疫组化采用EnVision 法,所用一抗CD99、Actin、Desmin、CD68、Ki-67均购自福州迈新生物技术开发有限公司,染色步骤按试剂说明书进行。巨检:手指末端及肿物切除标本,甲床处见一灰白结节状肿物2 cm ×2 cm ×1.3 cm,边界不规则,切面灰白色,实性、质地略韧。镜检:肿物位于真皮层内,略呈分叶状,由梭形至星状纤维母细胞样细胞组成。肿瘤细胞形态温和,核分裂象少见,呈束状或不规则的疏松性结构、黏液样或纤维黏液样间质交替分布(图2)。在黏液间质区域内含较丰富的纤细的薄壁血管(图3)。免疫组化:瘤细胞CD+34、CD+99、S-100-、Actin-、Desmin-、CD68±、Ki-67增殖指数<3%。见图4、5。
出处 《河北医药》 CAS 2014年第22期3519-3520,共2页 Hebei Medical Journal
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参考文献11

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二级参考文献36

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