Table 1.

Classification of the oral pathologies associated with lymphoproliferative disorders (see text for details).

Group	Primary disorder	Localization of the primary disorder	Secondary (a) or associated (b) disorder	Localization of the secondary or associated disorder
1	Lymphoproliferative disorders	Oral cavity	None	—
2	Lymphoproliferative disorders	Oral cavity	Lymphoproliferative disorders (a)	Other body districts
3	Lymphoproliferative disorders	Other body districts	Lymphoproliferative disorders (a)	Oral cavity
4	Oral lesions	Oral cavity	Lymphoproliferative disorders (b)	Other body districts
5	Lymphoproliferative disorders	Other body districts	Oral lesions (a)	Oral cavity
6	Lymphoproliferative disorders	Other body districts	Oral lesions secondary to the treatment of the primary disorder	Oral cavity
7	AIDS	—	AIDS-related lymphoproliferative disorders	Oral cavity

Oral lesions refer to all of the diseases excluding lymphoproliferative disorders.