如呈放射状，它们可能发生恶性转变。
本篇研究的目的主要在探讨疣状增生与恶性转变关系。
This study attempted to investigate the relationship between VH and malignant transformation.
迄今仍无证据显示具有有效防范白班恶性转变的治疗。
To date there is no evidence of effective treatment in preventing malignant transformation of leukoplakia.
因为多数之白班是没有症状的，故治疗的首要目标应为预防此种恶性转变。
Since most leukoplakias are asymptomatic, the primary objective of treatment should be to prevent such malignant transformation.
这个过程是一个身体增长和愈合能力正常功能的一部分，而肿瘤从良性向恶性转变也是通过血管生成。
Although this process is a normal part of the body's ability to grow and heal itself, angiogenesis is also the path through which tumors transition from benign to malignant.
神经母细胞瘤是一种恶性肿瘤，多发生于婴儿和儿童时期，患儿不成熟的神经细胞转变成肿瘤，而不是健康的细胞和纤维。
Neuroblastoma is a malignant tumor that develops in infants and kids when their immature nerve cells turn into tumors instead of cells and fibers.
他们将在诸多领域陷入困境，而且正是他们将健康的信贷紧缩转变成恶性的危机。
They will face trouble on several fronts and it is they who could turn a healthy credit squeeze into a nasty crunch.
恶性通胀的风险对黄金是一件转变全局的大事，因为黄金是央行唯一不能随心所欲印刷的全球货币。
And the risk of hyperinflation is a transformational event for gold - it being the only global currency that can't be printed on the whim of a central bank.
这样做可以使一个良性循环转变成恶性竞争。
尽管已经研究了几十年，人们对恶性疟原虫是如何通过遗传转变逃脱人体自身免疫系统的，以及如何抵抗疟疾药物的等问题依然知之甚少。
Despite decades of research, the genetic changes that enable it to escape the body's natural defenses and to overcome malaria drugs remain largely unknown.
目的：探索某些眼眶良性淋巴增生病向恶性淋巴瘤转变的实质。
Objective: To disclose the entity that some orbital benign lymphoid hyperplasias develop into malignant lymphoma.
诱导分化是指在分化诱导剂的存在下，恶性肿瘤细胞的形态、生物学或生物化学方面的诸多标志均向正常细胞的方向分化，甚至完全转变成正常细胞。
By derived differentiation, we mean that under the effect of differentiation inducer, malignant tumor cell has the tendency to differentiate to normal cell, even became normal cells.
诱导分化是指在分化诱导剂的存在下，恶性肿瘤细胞的形态、生物学或生物化学方面的诸多标志均向正常细胞的方向分化，甚至完全转变成正常细胞。
By derived differentiation, we mean that under the effect of differentiation inducer, malignant tumor cell has the tendency to differentiate to normal cell, even became normal cells.
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