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Vocal cords paralysis

Question
26 out of 58
 

Which of the following is precancerous lesion: (DNB Dec 2011)



A Pachydermia of larynx
B Laryngitis sicca

C Keratosis of larynx
D Scleroma larynx

Ans. C Keratosis of larynx

Ref. Read below

Ref. Scotts Brown 7th/ed vol-2 pg-2221; Dhingra 5th/ed pg-323, 6th/ed p 304; Mohan Bansal p 487

Lichen planus has no malignant potential. . ... Turner 1 Oth/ed p 126

Papilloma- "The malignant transformation from benign non keratining squamous papilloma to squamous cell carcinoma can occur in children, but is rarely seen" - Current Otolaryngology Znd/ed p 471

Leukoplakia is a white patch, in which there is epithelial hyperplasia along with atypical cells. It is a premalignant condition.

Another name for leukoplakia is hyperkeratosis dyskeratosis - Scott's Brown Zth/ed vol-2 p 2221

Smoking is a predisposing factor, not a premalignant condition.

In some cases of chronic laryngitis, the laryngeal mucosa becomes dysplastic particularly over true vocal folds and is a premalignant condition. ... Bailey 24th/ed p 765

Chronic inflammatory conditions of larynx like chronic laryngitis may develop into malignancy. '" Maqboolll th/ed p 359

Keratosis of larynx/leukoplakia:-

It is epithelial hyperplasia of the upper surface of oneor both vocal cords.

Appears as a white plaque or warty growth on cord without affecting its mobility

Regarded as a precarcerous condition as Ca in situ develops frequently

T It=stripping of cords

Vocal cords paralysis Flashcard List

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