Figure 2.
Extracutaneous or systemic involvement by NTRK1-rearranged histiocytosis. (A) Liver involvement in a female newborn (AP27). (B-C) Kidney and bone involvement in a male newborn (PK1). (D-E) Large nodule obstructing the right main bronchus in a male infant (AP32). (F-G) Histology of liver and bronchia involvement (hematoxylin and eosin, original magnification ×20).