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The diagnosis of a mediastinal germ cell tumor should be considered in all young males with a mediastinal mass. In addition to physical examination and routine laboratory studies, initial evaluation should include CT of the chest and abdomen, and determination of serum levels of HCG and alpha-fetoprotein.
A mediastinal tumor is a tumor in the mediastinum, the cavity that separates the lungs from the rest of the chest. It contains the heart , esophagus , trachea , thymus , and aorta . The most common mediastinal masses are thymoma (20% of mediastinal tumors), usually found in the anterior mediastinum, followed by neurogenic Timor (15–20% ...
The 1997 International Germ Cell Consensus Classification [17] is a tool for estimating the risk of relapse after treatment of malignant germ-cell tumor. A small study of ovarian tumors in girls [ 18 ] reports a correlation between cystic and benign tumors, and conversely, solid and malignant tumors.
Relative incidences of testicular tumors, showing seminoma at bottom left. [2] 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]
Adult-AMKL may occur in individuals who have a prior diagnosis of and/or present with chronic myelogenous leukemia, polycythemia vera, essential thrombocytosis, primary myelofibrosis, or mediastinal germ cell tumor. [1] AMKL associated with mediastinal germ cell tumors typically occurs in younger adults, i.e. ages 13–36 (average age 24). [1]
There are various mediastinal tumors, and they are classified by their location in the chest. Notable examples include germ cell tumors and lymphomas. [12] Teratomas are a class of germ cell tumors that arise in the chest due to failure of germ cell migration during development. They can expand to large sizes and cause hemoptysis and pleural ...
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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 belongs to the malignant end of the spectrum in gestational trophoblastic disease (GTD). It is also classified as a germ cell tumor and may arise in the testis or ovary.