Full text of "Diseases Of The Nose Throat And Ear"   Benign
laryngeal tumours are not common and are usually diagnosed by
the pathologist because most of them appear as solitary masses
on the vocal cords causing hoarseness.   This connective tissue
tumour can arise from any laryngeal structure hut mainly occurs
on the dorsum of the vocal cords. It presents as a sessile
reddish-grey smooth mass (Plate VII, 4) which can move downwards
between the cords on inspiration. The mass is removed at direct
laryngoscopy as an excision biopsy. Recurrence is rare.
Neurofibroma may also occur and is dealt with similarly.   1.
Single. This usually arises from the free edge of a vocal cord
in adults (Plate VII9 5). Histologically it is often a squamous-
cell papilloma. It is liable to recurrence and may undergo
malignant change. The papilloma should be removed at direct
laryngoscopy, and the patient should be followed up for 5 years
because of the danger of recurrence and malignant degeneration.
2. Multiple. These are describ