Medical Definition of NEPHRECTOMY. : the surgical removal of a kidney.â neÂ·phrecÂ·toÂ·mize \-ËmÄ«z\ transitive verb.edical Definition of NEPHRECTOMY. : the surgical removal of a kidney.
Scleritis is an uncommon disease and is differentiated from episcleritis, which is a more common ocular condition. In episcleritis, only the superficial tissue between the white of the eye (sclera) and the blood vessel-filled covering (conjunctiva) is inflamed. Scleritis is an inflammation of the white of the eye. 2  It is serious eye disease which is often associated with underlying autoimmune disorders. 3  Prompt diagnosis and treatment is essential in preventing permanent vision loss.
1 Scleritis is frequently associated with connective tissue diseases of which rheumatoid arthritis is by far the most common. 2  Other connective tissue diseases seen are Wegener's granulomatosis, relapsing polychondritis, systemic lupus erythematosus, reactive arthritis, polyarteritis nodosa and ankylosing spondylitis. Anterior scleritis (98% of cases) : 2  Diffuse anterior-this is the most common (and benign) form, characterised by widespread inflammation of the anterior sclera. 3  It accounts for about 50% of scleritis cases.