Yolk Sac Tumors

What are Yolk Sac Tumors?

Yolk sac tumors are common testicular tumors affecting infants and young children.  What is the Pathology of Yolk Sac Tumors? The pathology of yolk sac tumors is:  -Etiology: The cause of yolk sac tumors is unknown. -Genes involved: RUNX3 gene…
Embryonal Carcinoma

What is Embryonal Carcinoma?

Embryonal carcinoma is a germ cell neoplasm categorized with primitive epithelial cells with patent pleomorphism and several histologic patterns. What is the Pathology of Embryonal Carcinoma? The pathology of embryonal carcinoma is: -Etiology: The cause of embryonal carcinoma is genetic,…
Spermatocytic Seminoma

What is Spermatocytic Seminoma?

Spermatocytic seminoma is a rare testicular germ cell tumor affecting mostly old men. What is the Pathology of Spermatocytic Seminoma? The pathology of spermatocytic seminoma is:  -Etiology: The cause of spermatocytic seminoma is unknown  -Genes involved: Unknown.  -Pathogenesis: The sequence…
Seminomas

What are Seminomas?

Seminomas are malignancies accounting for around a 1/3 of all germ cell tumors. What is the Pathology of Seminomas? The pathology of seminomas is:  -Etiology: The cause of seminomas is not well identified, but seems to be associated with cryptorchidism. …
Germ Cell Tumors

What are Germ Cell Tumors?

Germ cell tumors are lesions of the testis that often produce enzymes and polypeptide hormones easily detected in the blood through sensitive assays. Germ cell tumors include:  SeminomasSpermatocytic seminomaEmbryonal carcinomaYolk sac tumorsChoriocarcinomaTeratomasMixed germ cell tumors
Sertoli Cell Tumors

What are Sertoli Cell Tumors?

Sertoli cell tumors are rare tumor derivatives of Sertoli cells, situated in seminiferous tubules, that support spermatogenesis. What is the Pathology of Sertoli Cell Tumors? The pathology of Sertoli cell tumors is:  -Etiology: The cause of Sertoli cell tumors is…
Leydig Cell Tumors

What are Leydig Cell Tumors?

Leydig cell tumors are rare testicular growths of the gonadal interstitium that are hormonally active. What is the Pathology of Leydig Cell Tumors? The pathology of Leydig cell tumors is: -Etiology: The cause of Leydig cell tumors is unknown. -Genes…
Tumors of Sex Cord-Gonadal Stroma

What are Tumors of Sex Cord-Gonadal Stroma?

Tumors of sex cord-gonadal stroma are an assorted group of malignant or benign neoplasms, subclassified based on their presumed histogenesis and differentiation. Tumors of sex cord-gonadal stroma include: Leydig cell tumorsSertoli cell tumors
Gonadoblastoma

What is Gonadoblastoma?

Gonadoblastoma is a rare neoplasm comprising a blend of gonadal stromal and germ cells elements, that arise in dysgenetic gonads. What is the Pathology of Gonadoblastoma? The pathology of gonadoblastoma is:  -Etiology: The cause of gonadoblastoma is dysgenetic gonads, undescended…
Testicular Lymphoma

What is Testicular Lymphoma?

Testicular lymphoma is a rare and lethal type of non-Hodgkin lymphoma that accounts for approximately 5% of testicular tumors. These are not thought to originate from the testes, but rather are hematopoietic in origin. For more information refer to lymphomas.