Progressive transformation of germinal centers (PTGC) is a precursor lesion of -
Lymphocytic predominance contains lymphocytic and histiocytic (L and H) variant. Thesse variants express B cell markers typical of germinal centre B cells. The IgH genes of L and H variant show evidence of ongoing somatic hypermutation,a modification that occurs only in germinal centre B cells. In 3%to5% of cases this type transforms in to a tumour resembling diffuse large B cell lymphoma. Reference; Robbins and Cotran Pathologic basis of disease.South Asia Edition volume 1.page no. 609,610
Hodgkins lymphoma, nodular sclerosis
Hodgkins lymphoma, mixed cellularity
Hodgkins lymphoma, lymphocytic predominant
Peripheral T cell lymphoma
Haematology