Malignant lymphomas that mimic benign lymphoid lesions: a review of four lymphomas.

Lymphomas that may be misdiagnosed as benign lymphoid lesions are described and illustrated in this review. Differential diagnoses are considered, and the use of specialized techniques in diagnostic pathology are discussed. The four lymphomas selected for review include follicular lymphoma, mantle cell lymphoma with mantle zone pattern, interfollicular Hodgkin's disease, and nodular lymphocyte predominance Hodgkin's disease.