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Carcinoma of larynx

. IntroductionAetiologyClassification and stagingSupraglottic, glottic and subglottic cancerDiagnosisTreatment Vocal rehabilitation. Introduction. Widely prevalent in the Indian Sub-continent in comparison to the westM:F::10:1Age group: 40-70 yrs. Aetiology. Classification and staging . TNM classification and stagingClassification by AJCC.

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Carcinoma of larynx

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    1. Carcinoma of larynx By: 2001 batch XXMC, P.R China

    2. Introduction Aetiology Classification and staging Supraglottic, glottic and subglottic cancer Diagnosis Treatment Vocal rehabilitation

    3. Introduction Widely prevalent in the Indian Sub-continent in comparison to the west M:F::10:1 Age group: 40-70 yrs

    4. Aetiology

    5. Classification and staging TNM classification and staging Classification by AJCC

    6. AJCC classification

    7. TNM classification and staging Helps to determine : The extent Treatment modalities Prognosis

    8. Supraglottic cancer Less frequent than glottic cancer Majority of lesions are seen on epiglottis, false cords, aryepiglottic folds Spread: vallecula, base of the tongue, pyriform fossa and even penetrate the thyroid Symptoms: often silent, may present with throat pain, dysphagia and referred pain-ear, mass in the neck

    10. Glottic cancer Most common- 65% Spread: anteriorly- anterior commisure posteriorly- vocal process and arytenoid process Upward- ventricle and false cord Downward- Subglottic region Symptoms: Hoarseness of voice, stridor

    12. Subglottic cancer Lesions rare Spread: Anterior wall, to the opposite side or downwards to the trachea May invade cricothyroid membrane, thyroid gland and muscles of neck Symptoms: Stridor

    14. Diagnosis History: any patient may present with: ..A sore throat that does not go away ..Dysphagia ..A change or hoarseness in voice ..Pain in the ear ..A lump in the neck Examination: done to find extra laryngeal spread of disease and nodal metastasis

    15. Investigation Laryngoscopy: indirect, direct or micro

    16. Radiography CT Staining and biopsy

    17. Treatment Depends upon: The site of lesion The extent of spread Metastasis

    18. Treatment maybe: a) Radiotherapy b) Surgery: conservative laryngeal surgery or total laryngectomy c) Combined therapy

    20. a) Early supraglottic and glottic tumor of stage I and II----radiotherapy Five year survival rate: Stage I: 90% Stage II:70% b)Endoscopic CO2 laser c) Advanced tumor: total or subtotal laryngectomy

    21. Rehabilitation By the following methods: A) Written language B) Oesophageal speech

    22. C) Artificial larynx: i) Electrolarynx ii) Tran oral pneumatic device D) Tracheo-oesphageal speech

    23. Electrolarynx

    24. Tracheo-oesophageal speech

    25. Reference: Disease of Ear, Nose and Throat by PL Dhingra Bailey and Love’s Short Practice Of Surgery

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