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Difference between revisions of "Lymphovascular invasion"
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'''Lymphovascular invasion''', also '''lymphovascular space invasion''', is (non-hematologic) malignant cells within [[blood vessels]] and/or lymphatics. It is abbreviated '''LVI'''. | '''Lymphovascular invasion''', also '''lymphovascular space invasion''', is (non-hematologic) malignant cells within [[blood vessels]] and/or lymphatics. It is abbreviated '''LVI'''. | ||
The term ''lymphovascular invasion'' is preferred to ''vascular invasion'', as it is very difficult to differentiate morphologically small lymphatics and small vascular spaces, without [[immunohistochemistry]]. | |||
'' | |||
==General== | |||
Generally, LVI, in the TNM staging system, does '''not''' affect tumour stage; however, there are exceptions. | |||
Exceptions: | |||
*[[Seminoma]]. | |||
==Microscopic== | ==Microscopic== | ||