A total laryngectomy has been performed for a transglottic
(arrows) squamous cell carcinoma (Courtesy of Jason C.
carcinoma was found in 55 patients, and a subglottic carcinoma was present in 7 patients.
If we assume that the voice source production is mainly caused by fragmentation of the airflow by the oscillating vocal folds, the (transglottic
) airflow is then related to Ohm's Law, where I is U divided by R.
(21) However, for transglottic
tumors with massive cartilage invasion, laryngectomy has recently been demonstrated to offer advantages in terms of disease-free and overall survival compared with chemoradiotherapy, producing a renaissance of indications for and the use of total laryngectomy.
The location of the tumor was classified according to the patient's pathology report into four categories, namely, supraglottic, glottic, subglottic, and transglottic
(tumor extending beyond the larynx).
They agreed for the surgery, and laser-assisted transglottic
stenosis excision was planned.
In supracricoid laryngectomy (SCPL) for transglottic
tumors with glottic and supraglottic involvement and minimal extension to the infraglottis, the hyoid bone, the cricoid cartilage, and at least one arytenoid are preserved, thus maintaining the possibility of functional reconstruction.
Tumors were classified as transglottic
(n = 33, 76.7%), supraglottic (n = 8,18.6%), and subglottic (n = 2, 4.7%).
Most of the patients presented in stage-3 about 50% followed by stage 2 (40%), most of the glottis tumours presented in stage 2, supraglottic transglottic
and subglottic in stage 3.
and subglottic regions are much less commonly affected .
From the 18 laryngeal cancer patients, 12 (67%) were classified as transglottic
, 3 (17%) were supraglottic, 2 (11%) were glottic and only 1 patient (5%) had subglottic carcinoma.
End results of a prospective trial on elective lateral neck dissection vs type III modified radical neck dissection in the management of supraglottic and transglottic