NCIt related terms : Seminoma, NOS; SEMINOMA, MALIGNANT;
NCIt definition : A radiosensitive malignant germ cell tumor found in the testis (especially undescended),
and extragonadal sites (anterior mediastinum and pineal gland). It is characterized
by the presence of uniform cells with clear or dense cytoplasm which contains glycogen,
and by a large nucleus which contains one or more nucleoli. The neoplastic germ cells
form aggregates separated by fibrous septa. The fibrous septa contain chronic inflammatory
cells, mainly lymphocytes.;
Alternative definition : NCI-GLOSS: A type of cancer of the testicles. Seminomas may spread to the lung, bone,
liver, or brain.; CDISC: A malignant germ cell neoplasm of the testis.; NICHD: A germinomatous germ cell tumor originating in the testis.;