JAK2 and Hodgkins lymphoma: In lymphatic malignancies, a t(8;9)(p22;p24) resulting in a PCM1-JAK2 fusion gene was reported in a patient with peripheral T-cell lymphoma [15], and a t(4;9)(q21;p24) leading to a SEC31A-JAK2 fusion was found in two patients with classical Hodgkin lymphoma [16].