Fig 1: Clinical information of the patient with the fusion gene PLEKHA6‐NTRK3. (a) Left: Whole‐body magnetic resonance imaging (MRI) revealed T12 vertebral wedges with soft tissue mass during diagnosis. Right: After 1 year of treatment, MRI showed that the lesions disppered. (b) Morphology of typical abnormal histiocytic cells. (H&E) (c) Expression of CD1a+, S100+, Langerin+ on abnormal histiocytic cells of the patient. (d) The therapeutic regimen of the patient.