Neoplastic
noncontiguous proliferation of lymphoid tissue
that differ in microscopic appearance, immunologic
cell origin, and biologic behavior.
Most
common neoplasm in 20 – 40 year olds
More
common than Hodgkin lymphoma
Transplant
patients on immunosuppressive therapy
Patients
with autoimmune disorders such as:
SLE,
RA, Sjögrens syndrome, AIDS
Sjögrens
syndrome, AIDS, or Hodgkin’s
Chemicals,
pesticides, or organic solvents