It is a kind of benign, noncancerous brain tumor.

它是一种、非癌脑肿瘤。

Another benign tumor is the giant-cell tumor of the bone - quite a name!

另一个骨肿瘤是骨巨细胞瘤。

Because of that, benign tumors and growths called hamartomas form throughout the body.

正因如此，体内开始形成肿瘤和错构瘤。

Other benign tumors are osteoblastomas and osteoid osteomas, both of which arise from osteoblasts.

其他肿瘤包括成骨细胞瘤、骨样骨瘤，两者均起源成骨细胞。

If it is not able to invade other tissues, it's referred to as a benign tumor.

如果其不能侵入其他组织，那么就称之为肿瘤。

Let's start with the most common benign tumor, which is an osteochondroma and commonly affects males under 25 years.

让我们从最常肿瘤开始，骨软骨瘤，25岁以下男。

Compared with benign tumor cells, a distinguishing feature of malignant tumor cells is that they have slightly less organized nuclei.

与肿瘤相比，恶肿瘤特征是其拥有稍微不规则胞核。

Best In 1987, Lauren was diagnosed with a benign brain tumor.

最佳 1987 年，劳伦被诊断出患有脑瘤。

It's most commonly caused by a benign tumor of the pituitary gland.

它最常是由垂体肿瘤引起。

A doctor he met at a reading in El Paso, Texas, volunteered to remove that benign tumor he later fed to a turtle.

他在德克萨斯州埃尔帕索一场读书会上还遇到了一位医生主动请求切除他后来喂给了海龟那个肿瘤。

A third class of tumors are called borderline tumors because they have features that are intermediate between the other benign and malignant tumors.

第三类肿瘤是中肿瘤，因为其特点介其他和恶肿瘤之间。

One cause is hyperprolactinemia, or excessive prolactin secretion by pituitary lactotroph cells, which is frequently seen with a benign pituitary tumor called a prolactinoma.

一个原因是高泌乳素血症，垂体泌乳素细胞分泌过泌乳素，大并发垂体肿瘤，称为泌乳素瘤。

Compared with benign tumor cells, malignant tumor cells have key features like not having a clearly defined border or like a slightly less organized nuclei.

和肿瘤相比，恶肿瘤有一些典型特征，比如边界不清且结构紊乱细胞核。

The leading cause of that is a pituitary adenoma, which is a benign tumor of the pituitary gland- and this specific condition is called Cushing disease.

垂体腺瘤是导致这一失常主要原因，这是一种位垂体肿瘤，在这种特定情况下被称为库欣病。

A different cause is a hyper functioning thyroid adenoma where the follicular cells start growing uncontrollably, forming a benign tumor that makes excess thyroid hormones.

另一个原因是功能亢进甲状腺腺瘤，滤泡细胞生长开始不受控制，形成一个产生过量甲状腺激素肿瘤。

Another common cause of endogenous Cushing syndrome is tumors of the adrenal glands that make excess cortisol - like adrenal adenomas, which are benign tumors, and adrenal carcinomas, which are malignant tumors.

另一种常内源库欣综合征原因是肾上腺肿瘤导致过皮质醇分泌，比如肾上腺腺瘤，一种肿瘤，还有肾上腺癌，一种恶肿瘤。

The exact reason for the development of this sort of benign tumor isn't known - but unlike a malignant tumor - the cells don't invade neighboring tissues or spread to other parts of the body.

产生这种肿瘤具体原因还不清楚，但是和恶肿瘤不同是，这些细胞不会转移到周围组织或扩散到身体其他部位。

Rhabdomyo refers to striated muscle tissue, or cardiac muscle tissue in this case, so rhabdomyomas are benign tumors of the heart that usually affect the ventricles, and are best considered hamartomas rather than a true neoplasm.

横纹肌指是条状肌肉组织，这里就指心肌；横纹肌瘤是肿瘤，且通常累及心室，最好被认为错构瘤而非肿瘤。

There are two general types of tumors: benign tumors and malignant tumors. A benign tumor is composed of cells that will not invade other unrelated tissues or organs of the body, although it may continue to grow in size abnormally.

肿瘤和恶肿瘤。尽管肿瘤可能会继续异常地体积增大，但他不会侵袭身体其他无关组织或器官细胞组成。