恶性细胞侵犯可导致局部淋巴结病如在头颈部肿瘤的病人中，也可是全身性淋巴结病如在播散性癌转移的病人中。
Invasion by malignant cells can cause either regional lymphadenopathy, as in patients with head and neck tumors, or generalized lymphadenopathy, as in patients with disseminated carcinomatosis.
具有高度恶性，局部浸润，并随脑积液远处播散。
They are highly malignant and demonstrate local invasion as well as distant spread through the CSF.
L 615白血细胞于局部接种后迅速增殖，同时侵入局部血管进入血行，向全身播散。
Leukemic cells in L615 rapidly proliferate following subcutaneous inoculation, invade the blood vessels at the inoculated site, and disseminate by way of the blood stream to the entire body.
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