Fig. 5: Pleuropulmonary blastoma, type II.
From: DICER1 tumor predisposition syndrome: an evolving story initiated with the pleuropulmonary blastoma
A Focus of PPB type I in a mass lesion in this 2-year-old male whose tumor was predominantly solid. B, C A cambium layer-like growth pattern in this transitional area from type I to the solid pattern. D Solid focus showing a mixture of small primitive round and spindle cells.
