Fig. 2
A 73-year-old man presented for treatment of a lesion on the left crus. Whole body positron emission tomography (18F-FDG PET-CT) scan identified the location of the malignancy and demonstrated no pathological uptake in any other organs. A Axial PET scan identifying pathologic uptake of 18F-FDG in primary amelanotic melanoma. B Axial CT identifying location of primary amelanotic melanoma. C Axial PET-CT of primary amelanotic melanoma. D The maximum intensity projection (MIP)