The histology shows a dermal proliferation of small, irregular branching capillaries and venules with inconspicuous lumina.

组织学显示真皮内小 、、 不规则分支状毛细血管和小静脉的增生,伴不明显的血管腔隙.

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The tumor cells often have intracytoplasmic vacuoles representing small vascular lumina, and which may resemble mucin.

肿瘤细胞常常含有浆内空泡,此空泡表示小的血管腔, 似粘蛋白.

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