Fig. 5From: Failure of crizotinib based systemic treatment in ALK positive histiocytosis involving the central nervous system: a case report and literature reviewThe whole-body positron emission tomography-computed tomography (PET-CT). PET-CT scan shows disseminated lesions involving multiple organs, including the brain (B, yellow arrow), the lung (C, red arrow), and the right humerus (F, green arrow). The measured resolution for images was 360 ppiBack to article page