Nodular pulmonary lesions in children after autologous stem cell transplantation : a source of misinterpretation

Summary In children with malignant disorders, autologous haematopoietic stem cell transplantation (HSCT) represents a therapeutic option, but several possible complications, such as life-threatening pulmonary disease, make appropriate diagnostic procedures essential. We describe two cases with bronchiolitis obliterans with organizing pneumonia after HSCT, with a brief review of important differential diagnoses.