Thoái hóa dạng tinh bột ở đường hô hấp trên nhân 13 trường hợp phát hiện tại bệnh viện Tai Mũi Họng Trung ương

13 patients who has suffered from persistent hoarseness. 5 was treated by shaving biopsy for many times with histological finding was inflammatory tissue. The examination found a slight dyspnea, while laryngo-tracheo-bronchoscopy showed some, soft, polished burgeons scattered in vestibule, hypolarynx, trachea and bronchea. Biopsy with red Congo has given the evidence of amyloidosis....