1] Biopsies via trans-oral approach
Trans-oral biopsies was with a long 22 cm. curved biopsy forceps (Figure
1) after appropriate topical anesthesia of the oral cavity, nasal cavity
and larynx. The larynx is viewed with a flexible scope (Henke Sass Wolf,
Distal chip flexible endoscope, Germany) held by assistant while the
surgeon holds the patient’s tongue and directs the biopsy forceps
through the oral cavity(figure 2). Alternatively, the larynx can be
views with a rigid laryngoscope 70 degree (6 mm, Henke Sass Wolf,
Germany). The patient holds on to his/her tongue while the surgeon
directs the scope and biopsy forceps.