Fig. 3: PPB composed exclusively of solid areas are consistent with a type III PPB. | Modern Pathology

Fig. 3: PPB composed exclusively of solid areas are consistent with a type III PPB.

From: Expression of p53 is significantly associated with recurrence-free survival and overall survival in pleuropulmonary blastoma (PPB): a report from the International Pleuropulmonary Blastoma/DICER1 Registry

Fig. 3

The solid component can have a broad morphology spectrum with the most classically seen being a rhabdomyosarcoma which is often associated with immature cartilaginous islands (a, b). In some cases, an undifferentiated sarcoma is seen with prominent anaplasia (c).

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