好词典

polycythemia

UK //ˌpɒlɪsaɪˈθiːmɪə//US //ˌpɑːlɪsaɪˈθiːmiə//

词源

源自希腊语 poly-(多) + kytos(细胞) + haima(血),字面意思为'血液中细胞过多'。

noun

❶ 一种血液疾病,特征是红细胞数量异常增多,导致血液黏稠度增加,可能引发血栓等并发症。

“Polycythemia vera is a rare type of blood cancer that causes the bone marrow to produce too many red blood cells.”

(真性红细胞增多症是一种罕见的血癌,会导致骨髓产生过多红细胞。)

“Patients with polycythemia often experience headaches and dizziness due to thickened blood.”

(红细胞增多症患者常因血液黏稠而出现头痛和头晕症状。)

同义词:erythrocytosis, hyperglobulia, polyglobulia

常见短语

polycythemia vera — 特指真性红细胞增多症,一种骨髓增生性疾病,属于慢性血癌的一种。

“Polycythemia vera requires lifelong management to prevent complications like blood clots.”

(真性红细胞增多症需要终身管理,以防出现血栓等并发症。)

secondary polycythemia — 由外部因素(如缺氧或肿瘤)引起的红细胞增多,区别于原发性疾病。

“Smokers may develop secondary polycythemia due to chronic carbon monoxide exposure.”

(吸烟者可能因长期接触一氧化碳而患上继发性红细胞增多症。)