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Primary germ cell tumors in the mediastinum: a 50-year experience at a single Japanese institution.
Atypical germ cells may, therefore, imply that the patient is at some hypothetical increased risk for the subsequent development of a germ cell tumor, but the magnitude of such risk is not known, but certainly is much less than that of IGCNU, emphasizing the importance of this distinction.
Results of modern therapy for patients with mediastinal nonseminomatous germ cell tumors.
Germ cell tumors are a heterogenous group of tumors that account for 0.
A subset of nongerminomatous germ cell tumors contains syncytiotrophoblastic giant cells.
These pathologic examinations revealed that the characteristics of the oral lesion (figure 2) were consistent with those of the germ cell tumor (figure 3) and therefore represented yet another metastasis.
Patients with retroperitoneal germ cell tumors usually present after their tumors have reached large dimensions.
While seminoma and mixed germ cell tumors are the most common tumor types in adult group, they are almost only seen in postpubertal group of pediatric population.
For this reason, the group suggested that identification of similar outcomes in rodents might serve as early predictors of testicular germ cell tumor induction.
A pathology examination revealed that the tumor consisted of a combined malignant germ cell tumor (yolk sac tumor plus embryonal carcinoma plus dysgerminoma) with a focal rhabdomyosarcoma component arising from a mature cystic teratoma of the mediastinum (size, 8 x 8 x 4.
Chemotherapy for the germ cell tumor, consisting of etoposide, ifosfamide, and cisplatin, resulted in dramatic clinical improvement and normalization of the 13-human chorionic gonadotropin level.
His group found a 4% incidence of ultrasound abnormality in the opposite testis within 2 to 6 years; 80% of the time the abnormality turned out to be a germ cell tumor.
This subtype is thought to have a greater association with germ cell tumor.
In most circumstances, the diagnosis of germ cell tumor is established before the neck disease is noted.