thymoma
Sign in to saveA thymoma is a tumor originating from the epithelial cells of the thymus that is considered a rare neoplasm. Thymomas are frequently associated with neuromuscular disorders such as myasthenia gravis; thymoma is found in 20% of patients with myasthenia gravis. Once diagnosed, thymomas may be removed surgically. In the rare case of a malignant tumor, radiation therapy may be used.
Key facts
- Medical condition (new).name
- Thymoma
- Medical condition (new).image
- Encapsulated thymoma.jpg
- Medical condition (new).caption
- An encapsulated thymoma (mixed lymphocytic and epithelial type)
- Medical condition (new).field
- Oncology, cardiothoracic surgery
- Medical condition (new).onset
- Adulthood
- Medical condition (new).treatment
- surgical removal, chemotherapy (in malignant cases).
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11 sectionsContents
- Signs and symptoms
- Pathology
- Diagnosis
- Staging
- Treatment
- Prognosis
- Epidemiology
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A thymoma is a tumor originating from the epithelial cells of the thymus that is considered a rare neoplasm. Thymomas are frequently associated with neuromuscular disorders such as myasthenia gravis; thymoma is found in 20% of patients with myasthenia gravis. Once diagnosed, thymomas may be removed surgically. In the rare case of a malignant tumor, radiation therapy may be used.
==Signs and symptoms== A third of all people with a thymoma have symptoms caused by compression of the surrounding organs by an expansive mass. These problems may take the form of superior vena cava syndrome, dysphagia (difficulty swallowing), cough, or chest pain.