I.D. Venizelos, M. Leontsini
Ki-1 positive anaplastic large - cell malignant lymphoma (Ki-1 ALCL) is an uncommon type of non - Hodgkin' lymphoma. Recently, a morphological subtype of Ki-1 ALCL was described which is characterized by extensive eosinophilic infitration in the absence of necrosis. We describe the clinicopathological features of one case of Ki-1 ALCL, in a 17 year old boy, in which there was extensive infiltration by eosinophils in the absence of necrosis.