伴有血管瘤样间质的低级别透明细胞肾细胞癌:瘤细胞稀少而间质血管丰富,类似于交织状血管瘤,免疫组化染色PAX8,CK,EMA可勾勒出血管性间质内少量的肿瘤细胞。
肾脏血管母细胞瘤:瘤细胞可见富于脂质的多泡状空泡状胞浆,间质血管网丰富,免疫组化染色肿瘤细胞表达Inhibin,NSE和S100蛋白,不表达血管内皮标志物。
血管肉瘤:罕见发生于肾脏,呈侵袭性的浸润性生长,至少局灶可见明显的瘤细胞异型性和核分裂象包括非典型核分裂象。
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