https://www.selleckchem.com/ALK.html
A 74-year-old woman suffered from asphyxia due to a huge thyroid mass compressing cervical trachea. The patient developed dyspnea, orthopnea, shortness of breath. SpO2 was about 90% under high flow oxygen inhalation. Protuberant mass was seen in the anterior midline of neck. The palpation was hard, the boundary was not clear, and the trachea couldn't be touched. Neck CT showed a huge mass in the thyroid and severe tracheal compression. And electronic laryngoscopy showed paralysis in bilateral vocal cord, which were fixed in the paramedian position.