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.
This can result in physical trauma and disfigurement.   Leprosy can be treated with antibiotics. This will halt the progression of the disease, but damage to the nerves prior to treatment is permanent. Treatment is required for at least 6 months and possibly for life depending on the severity of the infection.