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Primary Ewing’s Sarcoma/Primitive Neuroectodermal Tumor of of Kidney - a Diagnostic Dilemma

机译:原发性尤文氏肉瘤/肾脏原发性神经外胚层肿瘤-诊断困境

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摘要

Among the group of small round cell tumors of kidney Ewing’s sarcoma/PNET is a very rare entity which has aggressive clinical course. We report a case of renal mass in 24 years old male which was histologically diagnosed as small round cell tumor of kidney. Arrangement of the malignant cell along with vascular network in a filigree pattern was suspicious for a diagnosis of Ewing’s sarcoma/PNET which was confirmed by positivity of CD 99 immunohistochemically. Thus careful histological observation and immunohistochemical stains can give the proper diagnosis of primary Ewing’s sarcoma/PNET thus removing the diagnostic dilemma in the group of small round cell tumors.
机译:在肾尤因肉瘤/ PNET的小圆形细胞肿瘤中,是一种非常罕见的实体,具有侵袭性的临床病程。我们报告了一例24岁男性肾脏肿块,根据组织学诊断为肾脏小圆形细胞瘤。 99丝状排列的恶性细胞和血管网络可用于诊断尤因氏肉瘤/ PNET,这通过免疫组织化学CD 99的阳性得以证实。因此,仔细的组织学观察和免疫组织化学染色可以正确诊断原发性尤文氏肉瘤/ PNET,从而消除小圆形细胞肿瘤组的诊断难题。

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