An edentulous 72-year-old man with a 50-year history of cigarette smoking presents with a nontender, hard mass in the lateral neck. The simplest way to establish an accurate histological diagnosis of a neck mass suspected to be cancerous is

Surgery

An edentulous 72-year-old man with a 50-year history of cigarette smoking presents with a nontender, hard mass in the lateral neck. The simplest way to establish an accurate histological diagnosis of a neck mass suspected to be cancerous is

A tender swelling in submandibular triangle is mostly likely diagnosed as

In transfacial proportions, the face Is divided into how many segments:

Specific for Ankylosing spondylitis is true?