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.
The most common connective tissue diseases include systemic lupus erythematosus, antiphospholipid syndrome, ankylosing spondylitis, psoriatic arthritis, rheumatoid arthritis, and systemic sclerosis, all of which will be discussed in this chapter. Pulmonary hypertension is typical for systemic sclerosis and systemic lupus erythematosus. 2  Pulmonary hypertension is an important but still often underestimated component of the clinical picture of systemic connective tissue diseases.