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上海交通大学耳鼻咽喉科学英文版课件 tumors of the larynx
Hemangioma • classification:⑴ capillary (common,red)
⑵ cavernous (less common, dark red)
• symptoms:hemorrhage, hoarseness
• treatment:laser, injection of sclerosing agent,
Tumors of the larynx
Benign tumors Papilloma of the larynx • Most common benign tumor of the larynx and occurs in patients of all age. • The causative agent is thought to be HPV. • Papillomas usually regress during puberty.
and surgical excision.
Tumors of the larynx
Fibroma and neurofibroma of the larynx • symptoms:hoarseness and dyspnea • exam: smooth tumor on the VC, pale or dark red in color. • treatment:surgical treatment
children.
Tumors of the larynx
papilloma of the larynx
• Co2 laser is favored because of its hemostatic
properties and its precision allows for
vaporization of the lesion. • Tracheotomy is occasionally indicated in children with dyspnea, but should be avoided due to concern about subglottic spread.
Tumors of the larynx
papilloma of the larynx • transfer factor, interferon and antivirotics. Cidofovir , a new antiviral agent approved for ocular cytomegalovirus infections, has shown
Tumors of the larynx
papilloma of the larynx • Papillomas in juveniles is more often multiple
and recurs more frequently than in adults.
• Papillomas in adults are usually single but may
undergo malignant change (HPV 16,18).
Tumors of the larynx
papilloma of the larynx • Symptoms:
• Aphonia or weak cry is usually the first sign in infants.
Tumors of the larynx
Papilloma of the larynx • Usually involving the true vocal cords but may affect supraglottic and subglottic regions. • May also involve the trachea and bronchus.
promise as a local injection in adjuvant therapy.
• Autogenous vaccine.
Tumors of the larynx
Hemangioma • Hemangiomas are more common in children than in
Tumors of the larynx
papilloma of the larynx • treatment:
excision under mirolaryngoscopy is the most
commonly employed treatment modality.
Repeated operations are usually needed in
adults.
• They occur on VC, subglottic regions and pyriform sinus.
• Subglottic hemangioma is the common neoplasm of the
infant airway.
Hemangioma of the larynx
• Dyspnea and stridor are seen. • Hoarseness is the most common symptom in adults.
Tumors of the larynx
papilloma of the larynx • Laryngoscopic examination:
• the tumor is pink or dark red in color. The
surface of the tumor is rough and papillary.
The tumor is located in VC, false VC or
subglottic area.
Papilloma