1) Surgical removal procedure 
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 benefit f...
<surgery> The excision of the thymus by operation, radiation or chemical means. ... (18 Nov 1997) ... 
(thi-mek´tә-me) excision of the thymus.
The excision of the thymus by operation, radiation or chemical means.
Type: Term Pronunciation: thī-mek′tŏ-mē Definitions: 1. Removal of the thymus gland.
thymectomy The surgical removal of all or part of the thymus gland.