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A seminoma is a germ cell tumor of the testicle or, more rarely, the mediastinum or other extra-gonadal locations. It is a malignant neoplasm and is one of the most treatable and curable cancers, with a survival rate above 95% if discovered in early stages. [3] Testicular seminoma originates in the germinal epithelium of the seminiferous ...
Pathology, urology Spermatocytic tumor , previously called spermatocytic seminoma, is a neoplasm of the testis ( i.e. a tumour of the testis ), and classified as a germ cell tumour . The name of the tumour comes from the similarity (under the microscope ) between the small cells of the tumour and secondary spermatocytes .
Germ cell neoplasia in situ (GCNIS) represents the precursor lesion for many types of testicular germ cell tumors. [1]The term GCNIS was introduced with the 2016 edition of the WHO classification of urological tumours. [1]
A 7.4 x 5.5-cm seminoma in a radical orchiectomy specimen from a 27-year-old man . Seminoma is the second-most common testicular cancer; the most common is mixed, which may contain seminoma. [citation needed] Abnormal gonads (due to gonadal dysgenesis and androgen insensitivity syndrome) have a high risk of developing a dysgerminoma. [5]
Germ cells tumors constitute a vast majority of the incidences of testicular tumors. [3]GCTs are classified by their histology, [4] regardless of location in the body. . However, as more information about the genetics of these tumors become available, they may be classified based on specific gene mutations that characterize specific tu
Sex cord–gonadal stromal tumour is a group of tumours derived from the stromal component of the ovary and testis, which comprises the granulosa, thecal cells and fibrocytes. [1]
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A dysgerminoma is a type of germ cell tumor; [1] it usually is malignant and usually occurs in the ovary.. A tumor of the identical histology but not occurring in the ovary may be described by an alternate name: seminoma in the testis [2] or germinoma in the central nervous system or other parts of the body.