Depigmentation of the skin can be caused by a number of local and systemic conditions. The pigment loss can be partial (such as after injury to the skin) or complete (such as from vitiligo).epigmentation of the skin can be caused by a number of local and systemic conditions. The pigment loss can be partial (such as after injury to the skin) or complete (such as from vitiligo).
In the most general terms, a spine specialist is a physician who focuses on the pathology of the vertebrae, intervertebral discs, joints and neural structures of the spinal column and the spinal cord.
Ear, nose and throat specialists, also called ENTs, ENT doctors and otolaryngologists, specialize in otolaryngology (pronounced Å-tÅ-la-rÉn-gÃ¤-lÉ-jÄ). Otolaryngologists diagnose, manage and treat disorders of the head and neck, including the ears, nose throat, sinuses, voice box (larynx) and other structures. Otolaryngology is a surgical specialty and ENTs are trained in the medical and surgical management of disease. Ear, Nose and Throat Specialist Education, Training and Certification.