Invasion of the upper aerodigestive tract by well differentiated thyroid neoplasms is very rare and when it occurs, it presents with difficult problems in diagnosis and management for the thyroid surgeon. An unusual case of papillary carcinoma of thyroid invading the larynx and trachea which lead to a total laryngectomy is presented. The literature is reviewed pertaining the mechanism of invasion, evaluation and management of such type of cases.
Key words: Thyroid neoplasm, Papillary carcinoma, Thyroid, Laryngectomy
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