Early diagnosis of an isolated primary peripheral T-cell lymphoma masquerading as massive gingival enlargement in a pediatric patient.

Lymphomas are malignant neoplasm of the lymphocyte cell lines, classified as either Hodgkin's or non-Hodgkin's lymphoma (NHL). NHL comprises a heterogeneous group of lymphoid neoplasm arising from B-cell, T-cell or natural killer cell with a spectrum of behavior ranging from relatively indolent to highly aggressive and potentially fatal. Peripheral T-cell lymphoma, a variant of NHL, is a disease characterized by the presence of diffuse lymphadenopathy, extranodal involvement, classical B symptoms such as fever (>100.