PTGC is diagnosed by surgical excision of the affected lymph node(s), and examination by a pathologist.
 The differential diagnosis includes non-neoplastic causes of lymphadenopathy (e.g. cat-scratch fever, Kikuchi disease) and malignancy, i.e. cancer.
PTGC is diagnosed by surgical excision of the affected lymph node(s), and examination by a pathologist.  The differential diagnosis includes non-neoplastic causes of lymphadenopathy (e.g. cat-scratch fever, Kikuchi disease) and malignancy, i.e. cancer.
Progressive transformation of germinal centres