What is Thyroidectomy
A thyroidectomy is an operation that involves the surgical removal of all or part of the thyroid gland. Thyroidectomy is performed by surgeons when a patient has thyroid cancer or some other condition of the thyroid gland (such ashyperthyroidism) or goiter. Other indications for surgery include cosmetic (very enlarged thyroid), or symptomatic obstruction (causing difficulties in swallowing or breathing).
Thyroidectomy is a common surgical procedure that has several potential complications or sequela including: temporary or permanent change in voice, temporary or permanently low calcium, need for lifelong thyroid hormone replacement, bleeding, infection, and the remote possibility of airway obstruction due to bilateral vocal cord paralysis. Complications are uncommon when the procedure is performed by an experienced surgeon.
The thyroid produces several hormones, such as thyroxine (T4), triiodothyronine (T3), and calcitonin.
After the removal of a thyroid, patients usually take a prescribed oral synthetic thyroid hormone – levothyroxine(Synthroid) – to prevent hypothyroidism.
Less extreme variants of thyroidectomy include:
• “hemithyroidectomy” (or “unilateral lobectomy”) — removing only half of the thyroid
• “isthmectomy”—removing the band of tissue (or isthmus) — connecting the two lobes of the thyroid
Types of Thyroidectomy
• Hemithyroidectomy – Entire isthmus is removed along with 1 lobe. Done in benign diseases of only 1 lobe.
• Subtotal thyroidectomy – Done in toxic thyroid, primary or secondary, and also for toxic multinodular goiter (MNG).
• Partial thyroidectomy – Removal of gland in front of trachea after mobilization. Done in nontoxic MNG. Its role is controversial.
• Near total thyroidectomy – Both lobes are removed except for a small amount of thyroid tissue (on one or both sides) in the vicinity of the recurrent laryngeal nerve entry point and the superior parathyroid gland.
• Total thyroidectomy – Entire gland is removed. Done in cases of papillary or follicular carcinoma of thyroid, medullary carcinoma of thyroid.
• Hartley Dunhill operation – Removal of 1 entire lateral lobe with isthmus and partial/subtotal removal of opposite lateral lobe. Done in nontoxic MNG.
Cost of Thyroidectomy
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