It is a kind of benign, noncancerous brain tumor.

它是一种良性、非癌性脑肿。

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

另一个良性骨肿是骨巨细胞。

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

正因如此，体内开始形成良性肿和错构。

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

其他良性肿包括成骨细胞、骨样骨，两者均起源于成骨细胞。

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，那么就称之为良性肿。

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

从最常见的良性肿开始，即骨软骨，多见于25岁以下的男性。

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

与良性肿，恶性肿的特征是其拥有稍微不规则的胞核。

Benign tumors can be surgically removed if they're causing symptoms, while the treatment for malignant tumors requires radiotherapy, chemotherapy, and surgery.

如果良性肿引起临床症状，可以手术切除，而恶性肿的治疗需要放疗、化疗和手术。

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

最佳 1987 年，劳伦被诊断出患有良性脑。

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

它最常见的是由垂体良性肿引起。

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的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的那个良性肿。

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

第三类肿是中性肿，因为其特点介于其他良性和恶性肿之间。

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，即垂体泌乳素细胞分泌过多泌乳素，大多并发良性的垂体肿，称为泌乳素。

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的甲状腺腺，即滤泡细胞的生长开始不受控制，形成一个产生过量甲状腺激素的良性肿。

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.

和良性肿，恶性肿有一些典型特征，如边界不清且结构紊乱的细胞核。

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.

垂体腺是导致这一失常的主要原因，这是一种位于垂体的良性肿，在这种特定情况下被称为库欣病。

Benign tumors and hamartomas can form in any tissue, but the brain and the skin are usually affected the most, along with the kidneys, lungs and eyes.

良性肿和错构可以在任何组织里形成，但是脑和皮肤是最容易受累的，其次还有肾脏、肺和眼。

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.

另一种常见的内源性库欣综合征的原因是肾上腺肿导致过多的皮质醇分泌，如肾上腺腺，一种良性肿，还有肾上腺癌，一种恶性肿。

Benign tumors can be surgically removed to reduce pain and the risk of fractures, while malignant tumors are treated with radiotherapy, chemotherapy, and surgery depending on the type and spread of the tumor.

良性骨肿可以手术切除，以减少疼痛和骨折风险，而恶性肿通过放疗、化疗和手术治疗手段，取决于肿的类型和扩散程度。

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.

产生这种良性肿的具体原因还不清楚，但是和恶性肿不同的是，这些细胞不会转移到周围组织或扩散到身体其他部位。