The gastrointestinal tract is the most common site for extranodal lymphomas
, The most common, and consequently the most studied, gastrointestinal lymp
homa is gastric mucosa-associated lymphoid tissue lymphoma, which is a para
digm for all gastrointestinal lymphomas, Recent advances in oncogenesis, ge
netics, and immunology have all yielded important discoveries that enhance
our understanding of this lymphoma. The implications of these new advances
are beginning to translate into changes in therapeutic approach. (C) 2000 L
ippincott Williams & Wilkins, Inc.