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 is an infectious skin and nerve disease which can also affect the eyes and respiratory system. There are no recent recorded cases of anyone catching or spreading leprosy in the UK, though there is a risk of infection in some places abroad, including Africa, Asia and Latin America.