45 yr old male with H/o repeated attacks of UTI, X-ray KUB showing radio opaque shadow –

Surgery

45 yr old male with H/o repeated attacks of UTI, X-ray KUB showing radio opaque shadow –

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?