Anaplastic large cell lymphoma describes several types of T-cell lymphomas and accounts for approximately 12 percent to 15 percent of all T-cell lymphomas in adults and between 10 percent and 30 percent of all lymphomas in children. It can be divided into three types.
Definition of leprosy for English Language Learners. medical : a serious disease that causes painful rough areas on the skin and that badly damages nerves and flesh.
Leprosy, also known as Hansen's disease (HD), is a chronic infection caused by the bacteria Mycobacterium leprae and Mycobacterium lepromatosis.Initially, infections are without symptoms and typically remain this way from 5 to as long as 20 years.eprosy in Tahiti, circa 1895. Leprosy is primarily a granulomatous disease of the peripheral nerves and mucosa of the upper respiratory tract; skin lesions (light or dark patches) are the primary external sign. If untreated, leprosy can progress and cause permanent damage to the skin, nerves, limbs, and eyes.