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Choriocarcinoma is a malignant, trophoblastic [1] cancer, usually of the placenta. It is characterized by early hematogenous spread to the lungs. It is characterized by early hematogenous spread to the lungs.
Testicular cancer is highly treatable and usually curable. [5] Treatment options may include surgery, radiation therapy, chemotherapy, or stem cell transplantation. [2] Even in cases in which cancer has spread widely, chemotherapy offers a cure rate greater than 80%. [4] Globally testicular cancer affected about 686,000 people in 2015. [6]
Leydig cell tumour, also Leydig cell tumor (US spelling), (testicular) interstitial cell tumour and (testicular) interstitial cell tumor (US spelling), is a member of the sex cord-stromal tumour group [2] of ovarian and testicular cancers. It arises from Leydig cells. While the tumour can occur at any age, it occurs most often in young adults.
A very rare tumour producing both ovarian (granulosa and/or theca) and testicular (Sertoli and/or Leydig) cells or tissues. Typically it consists of adult-type granulosa cells and Sertoli cells, [ 4 ] [ 5 ] but it has been reported with juvenile-type granulosa cells. [ 6 ]
In the testis pure embryonal carcinoma is also uncommon, and accounts for approximately ten percent of testicular germ cell tumours. However, it is present as a component of almost ninety percent of mixed nonseminomatous germ cell tumours. The average age at diagnosis is 31 years, and typically presents as a testicular lump which may be painful.
The US appearance of yolk sac tumor is usually nonspecific and consists of inhomogeneous mass that may contain echogenic foci secondary to hemorrhage. Choriocarcinoma --- Choriocarcinoma is a highly malignant testicular tumor that usually develops in the 2nd and 3rd decades of life.
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
Sertoli–Leydig cell tumour is a testosterone-secreting ovarian tumor and is a member of the sex cord-stromal tumour group [2] of ovarian and testicular cancers. The tumour occurs in early adulthood (not seen in newborn), is rare, comprising less than 1% of testicular tumours. [ 1 ]