Transplant hepatology is the study of liver diseases and liver transplantation. Transplant hepatologists manage patients before and after transplantation and work in conjunction with transplant surgeons. They have specialized training in the management of patients with end-stage liver disease,...

Oculofacial plastic and reconstructive surgery (OPRS) is a specialized form of ophthalmology that focuses on the face, eyelids, brow, orbital bones, tear duct system, and nose. Oculofacial plastic surgery encompasses the management of deformities and abnormalities of the eyelids, lacrimal (tear...

Laser surgery uses special light beams instead of instruments for surgical procedures. Lasers are used in a variety of medical and surgical procedures to cut or destroy abnormal or diseased tissue, tumors, and lesions, or to seal blood vessels. They are also used in cosmetic surgery. Numerous...

The American Board of Radiology (ABR) defines nuclear radiology as the subspecialty of diagnostic radiology that encompasses the use of radiopharmaceuticals for dynamic and static imaging of pathophysiologic processes and the treatment of a spectrum of benign and malignant diseases. Nuclear...

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