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Vocal cords paralysis

Question
50 out of 58
 

Select correct statements about Ca larynx:



A Glottic Ca is the most common

B Supraglottic ca has best prognosis

C Lymphatic spread is the most common in subglottic Ca

D Tl tumor is best treated by radiotherapy

E Smoking predisposes

Ans. A D and E . Glottic Ca is the most common; T, tumor is best treated by radiotherapy; Smoking predisposes

Ref: current otolaryngology 21e pg-440,44 7, Dhingra 51e pg-326, 327, 329-330; 61e p 308 onwarrds

lets see each Option Separately

Option a - Glottic CA is most common is correct

Correct-

Incidence of larynx cancer by site -

Suprglottic - 40%

Glottic - 59%

Subglottic - 1%

Option b - Supraglottic Ca has best prognosis Incorrect ....

Supraglottic cancers are often silent and their only manifestation is presence of neck nodes which is a very late feature. Hence it does not have a good prognosis. (Best prongosis is with glottic cancer)

Option c - Lymphatic spread is the M/C in subglottic CA Incorrect

Lymphatic spread is more common in supraglottic CA as it has a rich lymphatic supply.

Option d - T, tumor are best treated by radiotherapy

Correct

T1 tumors are best treated by micro laryngoscopic surgery / radiotherapy

Option e - Smoking predisposes - correct

Cigarette smoking and alcohol are 2 main predisposing factors for CA larynx

Vocal cords paralysis Flashcard List

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