Patient care request an appointment log in to patient account see treatment & diagnosis services plan your visit find a doctor download mayo clinic patient app health information diseases & conditions a-z symptom checker drugs & supplements a-z tests & procedures a-z healthy living expert blogs mayo clinic store for medical professionals online services for referring physicians grand rounds publications continuing medical education mayo medical laboratories research explore research areas find clinical trials research faculty postdoctoral fellowships discovery's edge magazine search publications education mayo graduate school mayo medical school mayo school of continuous professional development mayo school of graduate medical education mayo school of health sciences alumni association request an appointment find a doctor find a job log in to patient account give to mayo clinic facebook twitter youtube main navigation disease & treatments doctors & departments patient & visitor guide online services for medical professionals sub navigation diseases & treatments diseases & treatments alphabetically a b c d e f g h i j k l m n o p q r s t u v w x y z all quality patient stories support mayo now connect with others who've been there. order viagra online Share stories. buy viagra over counter uk 2011 Ask questions. have high blood pressure can use viagra Learn. where to buy viagra over the counter in canada Join mayo clinic's online community. viagra bayer schering pharma Share on: email print germ cell tumors overview appointments clinical trials patient stories types types a germ cell tumor that begins in the reproductive cells of testes or ovaries is called a gonadal tumor. viagra online Rarely, germ cell tumors occur in other parts of the body. These tumors that are outside of the gonads are called extragonadal tumors. buy viagra online Germ cell cancers, even when diagnosed at an advanced stage, tend to have a favorable outlook (prognosis). The prognosis is even better when the cancer is detected early. Gonadal germ cell tumors most tumors of the testicles start in the germ cells. Experts classify testicular cancer into two main categories: seminoma. Seminomas develop from germ cells that produce sperm. This type of cancer can be successfully treated by surgery, radiation therapy or chemotherapy. Nonseminoma. generic viagra walmart pharmacy Nonseminomas are usually made up of various types of cells. Nonseminomas generally respond well to combined treatment, which may include surgery, radiation and chemotherapy. Ovarian germ cell tumors — cancer that starts in egg cells — are rare. generic viagra online pharmacy Most ovarian cancers are epithelial cell that start in the tissues of the ovary. Extragonadal germ cell tumors germ cell tumors that are outside of the gonads are rare. buy generic viagra online They may grow in any location where stray germ cells settle in the body. Brain germ cell tumors. viagra for sale Brain germ cell tumors usually form in the center of the brain. Read more about.