Acquired symmetric hyper pigmentation of the sun exposed skin of the face and neck, which is strongly associated with pregnancy & use of oral contraceptives is called-

Surgery

Acquired symmetric hyper pigmentation of the sun exposed skin of the face and neck, which is strongly associated with pregnancy & use of oral contraceptives is called-

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?