hyperplasia Definition

an abnormal or unusual increase in the elements composing a part (such as cells composing a tissue)

castleman disease

enlargement of the prostate gland caused by a benign overgrowth of chiefly glandular tissue that occurs especially in some men over 50 years old and that tends to obstruct urination by constricting the urethra —abbreviation BPH—called also benign prostatic hypertrophy

any of several disorders that are marked by an inadequate synthesis of cortisol and often aldosterone, are typically characterized by excessive production of androgens, virilization of female external genitalia, and hypertension, and include a severe form resulting in dangerously low levels of sodium and high levels of potassium in the blood shortly after birth —abbreviation CAH

castleman disease