FIGURE 2. A 52-y-old man with malignant melanoma and metastasis to medulla oblongata. (A) Brain MR image shows small-sized, enhanced mass in medulla oblongata (white arrowhead). (B) ¹⁸F-FDG PET image shows hypermetabolic lesion in same site as on MR image (black arrowhead). (C) Whole-body ¹⁸F-FDG PET image shows hypermetabolic lesions in right axilla area (solid-line arrow) and left hilum (not shown). Radiologic work-up did not reveal any lesion.

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