yolk sac tumorgerm cell tumormediastinal mass卵黃囊瘤是屬於Germ cell tumor的惡性非畸胎瘤(nonteratomatous)一種,絕大部份原發於生殖腺,極少數會有原發於生殖腺外,其中以縱膈腔內為常見,病患年齡分佈以年輕男性居多,病患常以胸痛,呼吸困難,咳嗽及體重減輕來表現,有些是毫與徵狀,是在常規身體檢查意外發現。
Related to Yolk sac tumor:embryonal carcinoma yolk sac n. A membranous sac attached to the embryo and enclosing the yolk in egg-laying vertebrates. In humans and other placental mammals, it functions as the circulatory system for the embryo before internal circulation begins. ...
Related to Yolk sac tumor:embryonal carcinoma Graphic Thesaurus🔍 DisplayON AnimationON Legend Synonym Antonym Related </>embed</> teratoma sand tumor psammoma plasmacytoma pinealoma pheochromocyt... phaeochromocy... tumour neoplasm tumor
mother. Thus, although the yolk sac in higher mammals may be considered an evolutionary vestige from its yolky-egged ancestors, it still serves important functions in the young embryo. As the embryo ages, the yolk sac shrinks in size, and the allantois takes over the role of nutrition.See...
false tumor pseudotumor. fibroid tumor 1. fibroma. 2. leiomyoma uteri. germ cell tumor any of a group of tumors arising from primitive germ cells, usually of the testis or ovum; they range from benign to highly malignant. Types include germinoma, yolk sac tumor, teratoma, embryonal carcinoma...
malignant germ cell tumor commonly found in the ovary. The tumor arises from primordial germ cells and develops into extra-embryonic tissue resembling the yolk sac. Synonym(s):yolk sac carcinoma Farlex Partner Medical Dictionary © Farlex 2012 ...
内容提示: Int J Clin Exp Pathol 2015;8(11):15001-15006www.ijcep.com /ISSN:1936-2625/IJCEP0016254Original Article Yolk sac tumor of the external auditory canal: a case report and literature reviewHuijuan Shi 1* , Qionglan Tang 2* , Tiantian Zhen 1 , Hui Li 1 , Fenfen Zhang 1 , ...
This is a report of 45-year-old man with advanced nonseminomatous germ cell tumor (stage IIIB2: embryonal carcinoma, yolk sac tumor, seminoma), who had rel... 浩造 杉本,修一 中川,一哉 三神,... 被引量: 0发表: 0年 DNA ploidy of testicular germ cell tumors in childhood; Difference...
Mixed Germ Cell Tumor with Extensive Yolk Sac Tumor Elements in the Frontal Lobe of an Adult Takahashi T;Ishikawa E;Masuda Y;.Mixed germ cell tumor with extensive yolk sac tumor elements in the frontal lobe of an adult.Case reports in surgery... T Takahashi,E Ishikawa,Y Masuda,... - ...
The yolk sac gives rise to primordial germ cells, which develop in the embryo and eventually become ovaries or testes in the fetus. A yolk sac tumor, also known as an endodermal sinus tumor, is a rare but highly malignant tumor of these germ cells. Both children and adults may develop...