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A thymectomy is an operation to remove the thymus. It usually results in remission of myasthenia gravis with the help of medication including steroids. However, this remission may not be permanent. Thymectomy is indicated when thymoma are present in the thymus. Anecdotal evidence suggests MG patients with no evidence of thymoma may still ...
surgical removal, chemotherapy (in malignant cases). A thymoma is a tumor originating from the epithelial cells of the thymus that is considered a rare neoplasm. [ 1 ] Thymomas are frequently associated with neuromuscular disorders such as myasthenia gravis ; [ 2 ] thymoma is found in 20% of patients with myasthenia gravis. [ 3 ]
Ectopic thymus is a condition where thymus tissue is found in an abnormal location . It usually does not cause symptoms, but may leads to a mass in the neck that may compress the trachea and the esophagus. It is thought to be the result of either a failure of descent or a failure of involution of normal thymus tissue.
Early-stage thymic carcinoma is generally asymptomatic, and the development of symptoms is indicative of an advanced stage cancer. [3] Signs and symptoms are non-specific and include chest pain, persistent cough, and difficulty breathing, which are related to progressive tumor compression of anterior chest wall structures. [4]
With regard to the thymus, removal of the thymus, called thymectomy may be considered as a treatment, particularly if a thymoma is found. [20] Other treatments include increasing the duration of acetylcholine action at nerve synapses by decreasing the rate of breakdown. This is done by acetylcholinesterase inhibitors such as pyridostigmine. [20]
[4] [6] Myasthenia gravis, too, may happen in the presence of tumors (thymoma, a tumor of the thymus in the chest); people with MG without a tumor and people with LEMS without a tumor have similar genetic variations that seem to predispose them to these diseases. [3] HLA-DR3-B8 (an HLA subtype), in particular, seems to predispose to LEMS. [6]
Thymectomy is the surgical removal of the thymus gland. Thyroidectomy is the removal of all or part of the thyroid gland. Tonsillectomy is the removal of the tonsils. Trabeculectomy is the removal of part of the eye's trabecular meshwork as a treatment for glaucoma. Tumorectomy is the surgical removal of a tumor. Turbinectomy is the removal of ...
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% ...