Ovarian Tumors (Dysgerminoma)
Overview
Plain-Language Overview
Ovarian tumors (dysgerminoma) are a type of cancer that develops in the ovaries, which are part of the female reproductive system. These tumors arise from germ cells, the cells responsible for producing eggs. Dysgerminomas are considered malignant but are often detected early because they can cause symptoms like abdominal pain or a noticeable mass. They mainly affect young women and can impact fertility and hormone production. Early diagnosis and treatment are important to prevent the tumor from spreading and to preserve reproductive health. The condition involves abnormal growth of cells that can invade nearby tissues and sometimes spread to other parts of the body.
Clinical Definition
Ovarian tumors (dysgerminoma) are malignant germ cell tumors characterized by the proliferation of undifferentiated germ cells resembling primordial germ cells. They are the most common malignant germ cell tumor of the ovary and typically occur in adolescents and young adults. The pathogenesis involves genetic alterations such as isochromosome 12p, which is common in germ cell tumors. Clinically, dysgerminomas present as unilateral ovarian masses and may cause abdominal pain or swelling. They are highly radiosensitive and chemosensitive, which contributes to a favorable prognosis when treated appropriately. Histologically, they show sheets of uniform cells with clear cytoplasm and central nuclei, often accompanied by lymphocytic infiltration. Serum markers like elevated lactate dehydrogenase (LDH) can aid in diagnosis and monitoring.