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.
Background. Leprosy is a chronic infection caused by the acid-fast, rod-shaped bacillus Mycobacterium leprae. Leprosy can be considered 2 connected diseases that primarily affect superficial tissues, especially the skin and peripheral nerves.Initially, a mycobacterial infection causes a wide array of cellular immune responses.ackground. Leprosy is a chronic infection caused by the acid-fast, rod-shaped bacillus Mycobacterium leprae. Leprosy can be considered 2 connected diseases that primarily affect superficial tissues, especially the skin and peripheral nerves.