Figure 9.

(a) Ultrasonograph of a patient with mycosis fungoides showing a dermal lobulated hypoechoic mass with internal vascularity (white arrow). (b) CT of the same patient demonstrates the cutaneous soft tissue mass in the right arm (white arrow). (c) PET/CT with FDG of another patient with mycosis fungoides in the left calf showing an FDG-avid cutaneous soft tissue mass (white arrow). (d) Contrast-enhanced T1-weighted fat-saturated MR image of a different patient with disseminated DLBCL showing an enhancing subcutaneous tumour mass in the medial thigh (white arrow) invading into the skin (white arrowhead) and adjacent sartorius muscle (black arrow).