It involves ante-inferior part of middle ear cleft and is associated with a central perforation.

它中耳前下部，并伴有中耳穿孔。

The most obvious physical features of Marfan syndrome involve the skeleton.

马方综合征最明显的身体特征骨骼。

On the skin, many small growths called angiofibromas appear on the face.

皮肤，则表现为脸上出现新发的血管纤维。

Symptoms of alpha-1 antitrypsin deficiency typically involve the lungs and liver.

α-1抗胰蛋白酶缺陷的典型症肺和肝。

The most serious features, though, of Marfan syndrome are cardiovascular.

马方综合征最严重的特征是心血管。

Connective tissue is found throughout the body, so this can affect nearly every body system.

结缔组织位于全身各处，因此该疾病会身体几乎所有系统。

" Systemic" is easy, and refers to affecting multiple organs in the body.

“系统性”容易理解，指的是疾病体内的多个器官。

It also includes the gonadotrophin-releasing hormone neurons which results in a decrease in gonadotrophin-releasing hormone.

它还促性腺激素释放激素神经元，致其减少释放促性腺激素释放激素。

If there's extranodal involvement of the bone marrow, it can cause fatigue, easy bruising, or recurrent infections.

骨髓，它可以导致疲劳、容易瘀紫，或复发感染。

It mostly involves otic ganglion and stapes in which normal bone is replaced by spongy bones.

它主要耳神经节和镫骨，其中正常的骨被海绵骨取代。

This is an important difference between rheumatoid arthritis, an inflammatory disease that also affects the joints.

这与类风湿关节炎有大不同；类风湿关节炎也是一种关节的炎症反应疾病。

Gout can affect other joints as well like those in the ankles, knees, wrists, and elbows.

痛风也可以其它关节，脚踝、膝盖、腕部、肘部等。

Additionally, there may be a swelling under the armpit, if cancer has spread to the axillary lymph nodes.

此外，癌症腋窝淋巴结，可能还有腋窝肿胀。

Low potassium levels leads to issues with muscle contractions, which could be smooth, skeletal, or cardiac muscles.

两种途径的低钾水平都会导致肌肉收缩的问题，可平滑肌、骨骼肌或心肌。

Mr. Biden's doctor said that affected tissue was removed from the 80-year-old's chest and no further treatment is required.

拜登的医生表示，癌变的组织已经从这位80岁老人的胸部取出，不需要进一步治疗。

Kidneys are commonly affected, resulting in sterile pyuria or high levels of white blood cells in the urine

肾是最常被的器官，会出现无菌脓尿，即尿液中含有大量的白细胞。

Basically, when heart cells die in a myocardial infarction, it leads to massive inflammation that also involves the serous pericardium.

心肌梗死导致心肌细胞死亡，引发浆膜心包的强烈炎症反应。

It is an acute inflammatory condition confined to supraglottic structures which include epiglottis, aryepiglottic folds and arytenoids.

急性会厌炎是一种急症态，主要喉部声门上区的会厌其周围组织（包括会厌谷、杓会厌襞和杓软骨等。

So, classic Kaposi's sarcoma usually affects older males, it's slow growing and it usually affects the legs.

经典型卡波西肉通常老年男性，其生长缓慢，一般侵染腿部。

These findings usually occur in multiple lobes throughout both lungs, and more commonly affect the outermost or periphery of the lungs.

这些影像改变一般双肺多个肺叶，更常见于双肺外围。